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<title>Wildcard Subscriptions ยท NATS</title>
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Introduction
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What's New in 2.0
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What is NATS
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Subject-Based Messaging
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Publish-Subscribe
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Request-Reply
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Queue Groups
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Acknowledgements
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<a href="../concepts/seq_num.html">
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Sequence Numbers
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</a>
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<li class="header">Developing With NATS</li>
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<a href="../">
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Introduction
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<li class="chapter " data-level="3.2" data-path="../connecting/intro.html">
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Connecting
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<ul class="articles">
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Connecting to the Default Server
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</a>
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Connecting to a Specific Server
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Connecting to a Cluster
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</a>
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<li class="chapter " data-level="3.2.4" data-path="../connecting/connect_timeout.html">
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<a href="../connecting/connect_timeout.html">
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Setting a Connect Timeout
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</a>
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<li class="chapter " data-level="3.2.5" data-path="../connecting/pingpong.html">
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<a href="../connecting/pingpong.html">
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Ping/Pong Protocol
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</a>
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Controlling the Client/Server Protocol
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</a>
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<a href="../connecting/noecho.html">
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Turning Off Echo'd Messages
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</a>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="3.3" data-path="../reconnect/intro.html">
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<a href="../reconnect/intro.html">
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Automatic Reconnections
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</a>
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<ul class="articles">
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<a href="../reconnect/disable.html">
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Disabling Reconnect
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</a>
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</li>
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<li class="chapter " data-level="3.3.2" data-path="../reconnect/max.html">
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<a href="../reconnect/max.html">
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Set the Number of Reconnect Attempts
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</a>
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</li>
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<li class="chapter " data-level="3.3.3" data-path="../reconnect/wait.html">
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<a href="../reconnect/wait.html">
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Pausing Between Reconnect Attempts
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</a>
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</li>
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<li class="chapter " data-level="3.3.4" data-path="../reconnect/random.html">
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<a href="../reconnect/random.html">
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Avoiding the Thundering Herd
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</a>
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</li>
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<li class="chapter " data-level="3.3.5" data-path="../reconnect/events.html">
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<a href="../reconnect/events.html">
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Listening for Reconnect Events
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</a>
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</li>
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<li class="chapter " data-level="3.3.6" data-path="../reconnect/buffer.html">
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<a href="../reconnect/buffer.html">
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Buffering Messages During Reconnect Attempts
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</a>
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</li>
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</ul>
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<li class="chapter " data-level="3.4" data-path="../security/intro.html">
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<a href="../security/intro.html">
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Securing Connections
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</a>
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<ul class="articles">
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<li class="chapter " data-level="3.4.1" data-path="../security/userpass.html">
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<a href="../security/userpass.html">
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Authenticating with a User and Password
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</a>
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</li>
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<li class="chapter " data-level="3.4.2" data-path="../security/token.html">
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<a href="../security/token.html">
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Authenticating with a Token
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</a>
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</li>
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<li class="chapter " data-level="3.4.3" data-path="../security/nkey.html">
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<a href="../security/nkey.html">
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Authenticating with an NKey
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</a>
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</li>
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<li class="chapter " data-level="3.4.4" data-path="../security/creds.html">
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<a href="../security/creds.html">
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Authenticating with a Credentials File
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</a>
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</li>
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<li class="chapter " data-level="3.4.5" data-path="../security/tls.html">
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<a href="../security/tls.html">
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Encrypting Connections with TLS
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</a>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="3.5" data-path="intro.html">
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<a href="intro.html">
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Receiving Messages
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</a>
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<ul class="articles">
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<li class="chapter " data-level="3.5.1" data-path="sync.html">
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<a href="sync.html">
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Synchronous Subscriptions
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</a>
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</li>
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<li class="chapter " data-level="3.5.2" data-path="async.html">
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<a href="async.html">
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Asynchronous Subscriptions
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</a>
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</li>
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<li class="chapter " data-level="3.5.3" data-path="unsubscribing.html">
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<a href="unsubscribing.html">
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Unsubscribing
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</a>
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</li>
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<li class="chapter " data-level="3.5.4" data-path="unsub_after.html">
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<a href="unsub_after.html">
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Unsubscribing After N Messages
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</a>
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</li>
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<li class="chapter " data-level="3.5.5" data-path="reply.html">
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<a href="reply.html">
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Replying to a Message
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</a>
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</li>
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<li class="chapter active" data-level="3.5.6" data-path="wildcards.html">
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<a href="wildcards.html">
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Wildcard Subscriptions
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</a>
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</li>
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<li class="chapter " data-level="3.5.7" data-path="queues.html">
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<a href="queues.html">
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Queue Subscriptions
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</a>
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</li>
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<li class="chapter " data-level="3.5.8" data-path="drain.html">
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<a href="drain.html">
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Draining Messages Before Disconnect
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</a>
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</li>
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<li class="chapter " data-level="3.5.9" data-path="structure.html">
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<a href="structure.html">
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Structured Data
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</a>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="3.6" data-path="../sending/intro.html">
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<a href="../sending/intro.html">
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Sending Messages
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</a>
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<ul class="articles">
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<li class="chapter " data-level="3.6.1" data-path="../sending/replyto.html">
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<a href="../sending/replyto.html">
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Including a Reply Subject
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</a>
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</li>
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<li class="chapter " data-level="3.6.2" data-path="../sending/request_reply.html">
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<a href="../sending/request_reply.html">
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Request-Reply Semantics
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</a>
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</li>
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<li class="chapter " data-level="3.6.3" data-path="../sending/caches.html">
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<a href="../sending/caches.html">
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Caches, Flush and Ping
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</a>
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</li>
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<li class="chapter " data-level="3.6.4" data-path="../sending/structure.html">
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<a href="../sending/structure.html">
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Sending Structured Data
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</a>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="3.7" data-path="../events/intro.html">
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<a href="../events/intro.html">
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Monitoring the Connection
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</a>
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<ul class="articles">
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<li class="chapter " data-level="3.7.1" data-path="../events/events.html">
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<a href="../events/events.html">
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Listen for Connection Events
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</a>
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</li>
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<li class="chapter " data-level="3.7.2" data-path="../events/slow.html">
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<a href="../events/slow.html">
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Slow Consumers
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</a>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="3.8" data-path="../tutorials/intro.html">
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<a href="../tutorials/intro.html">
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Tutorials
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</a>
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<ul class="articles">
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<li class="chapter " data-level="3.8.1" data-path="../tutorials/pubsub.html">
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<a href="../tutorials/pubsub.html">
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Explore NATS Pub/Sub
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</a>
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</li>
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<li class="chapter " data-level="3.8.2" data-path="../tutorials/reqreply.html">
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<a href="../tutorials/reqreply.html">
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Explore NATS Request/Reply
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</a>
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</li>
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<li class="chapter " data-level="3.8.3" data-path="../tutorials/queues.html">
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<a href="../tutorials/queues.html">
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Explore NATS Queueing
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</a>
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</li>
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<li class="chapter " data-level="3.8.4" data-path="../tutorials/custom_dialer.html">
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<a href="../tutorials/custom_dialer.html">
|
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Advanced Connect and Custom Dialer in Go
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</a>
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</li>
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</ul>
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</li>
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<li class="header">NATS Server</li>
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<li class="chapter " data-level="4.1" data-path="../../nats_server/installation.html">
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<a href="../../nats_server/installation.html">
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Installing
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</a>
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</li>
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<li class="chapter " data-level="4.2" data-path="../../nats_server/running.html">
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<a href="../../nats_server/running.html">
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Running
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</a>
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<ul class="articles">
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<li class="chapter " data-level="4.2.1" data-path="../../nats_server/windows_srv.html">
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<a href="../../nats_server/windows_srv.html">
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Window Service
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</a>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="4.3" data-path="../../nats_server/clients.html">
|
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<a href="../../nats_server/clients.html">
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|
Clients
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</a>
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</li>
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<li class="chapter " data-level="4.4" data-path="../../nats_server/flags.html">
|
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|
<a href="../../nats_server/flags.html">
|
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|
Flags
|
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</a>
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</li>
|
|
|
|
<li class="chapter " data-level="4.5" data-path="../../nats_server/configuration.html">
|
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<a href="../../nats_server/configuration.html">
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|
Configuration
|
|
|
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</a>
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|
<ul class="articles">
|
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|
|
<li class="chapter " data-level="4.5.1" data-path="../../nats_server/securing_nats.html">
|
|
|
|
<a href="../../nats_server/securing_nats.html">
|
|
|
|
|
|
Securing NATS
|
|
|
|
</a>
|
|
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<ul class="articles">
|
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|
<li class="chapter " data-level="4.5.1.1" data-path="../../nats_server/tls.html">
|
|
|
|
<a href="../../nats_server/tls.html">
|
|
|
|
|
|
Enabling TLS
|
|
|
|
</a>
|
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|
|
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</li>
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|
|
|
<li class="chapter " data-level="4.5.1.2" data-path="../../nats_server/auth_intro.html">
|
|
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|
<a href="../../nats_server/auth_intro.html">
|
|
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|
|
|
Authentication
|
|
|
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</a>
|
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<ul class="articles">
|
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|
|
<li class="chapter " data-level="4.5.1.2.1" data-path="../../nats_server/tokens.html">
|
|
|
|
<a href="../../nats_server/tokens.html">
|
|
|
|
|
|
Tokens
|
|
|
|
</a>
|
|
|
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|
|
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</li>
|
|
|
|
<li class="chapter " data-level="4.5.1.2.2" data-path="../../nats_server/username_password.html">
|
|
|
|
<a href="../../nats_server/username_password.html">
|
|
|
|
|
|
Username/Password
|
|
|
|
</a>
|
|
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|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="4.5.1.2.3" data-path="../../nats_server/tls_mutual_auth.html">
|
|
|
|
<a href="../../nats_server/tls_mutual_auth.html">
|
|
|
|
|
|
TLS Authentication
|
|
|
|
</a>
|
|
|
|
|
|
|
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</li>
|
|
|
|
<li class="chapter " data-level="4.5.1.2.4" data-path="../../nats_server/nkey_auth.html">
|
|
|
|
<a href="../../nats_server/nkey_auth.html">
|
|
|
|
|
|
NKeys
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="4.5.1.2.5" data-path="../../nats_server/accounts.html">
|
|
|
|
<a href="../../nats_server/accounts.html">
|
|
|
|
|
|
Accounts
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="4.5.1.2.6" data-path="../../nats_server/jwt_auth.html">
|
|
|
|
<a href="../../nats_server/jwt_auth.html">
|
|
|
|
|
|
JWTs
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="4.5.1.2.7" data-path="../../nats_server/auth_timeout.html">
|
|
|
|
<a href="../../nats_server/auth_timeout.html">
|
|
|
|
|
|
Authentication Timeout
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
|
|
</ul>
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="4.5.1.3" data-path="../../nats_server/authorization.html">
|
|
|
|
<a href="../../nats_server/authorization.html">
|
|
|
|
|
|
Authorization
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
|
|
</ul>
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="4.5.2" data-path="../../nats_server/clustering.html">
|
|
|
|
<a href="../../nats_server/clustering.html">
|
|
|
|
|
|
Clustering
|
|
|
|
</a>
|
|
|
|
|
|
|
|
<ul class="articles">
|
|
|
|
|
|
<li class="chapter " data-level="4.5.2.1" data-path="../../nats_server/cluster_config.html">
|
|
|
|
<a href="../../nats_server/cluster_config.html">
|
|
|
|
|
|
Configuration
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="4.5.2.2" data-path="../../nats_server/cluster_tls.html">
|
|
|
|
<a href="../../nats_server/cluster_tls.html">
|
|
|
|
|
|
TLS Authentication
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
|
|
</ul>
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="4.5.3" data-path="../../gateways/">
|
|
|
|
<a href="../../gateways/">
|
|
|
|
|
|
Gateways
|
|
|
|
</a>
|
|
|
|
|
|
|
|
<ul class="articles">
|
|
|
|
|
|
<li class="chapter " data-level="4.5.3.1" data-path="../../gateways/gateway.html">
|
|
|
|
<a href="../../gateways/gateway.html">
|
|
|
|
|
|
Configuration
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
|
|
</ul>
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="4.5.4" data-path="../../leafnodes/">
|
|
|
|
<a href="../../leafnodes/">
|
|
|
|
|
|
Leaf Nodes
|
|
|
|
</a>
|
|
|
|
|
|
|
|
<ul class="articles">
|
|
|
|
|
|
<li class="chapter " data-level="4.5.4.1" data-path="../../leafnodes/leafnode_conf.html">
|
|
|
|
<a href="../../leafnodes/leafnode_conf.html">
|
|
|
|
|
|
Configuration
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
|
|
</ul>
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="4.5.5" data-path="../../nats_server/logging.html">
|
|
|
|
<a href="../../nats_server/logging.html">
|
|
|
|
|
|
Logging
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="4.5.6" data-path="../../nats_server/monitoring.html">
|
|
|
|
<a href="../../nats_server/monitoring.html">
|
|
|
|
|
|
Monitoring
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
|
|
</ul>
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="4.6" data-path="../../nats_admin/">
|
|
|
|
<a href="../../nats_admin/">
|
|
|
|
|
|
Managing A NATS Server
|
|
|
|
</a>
|
|
|
|
|
|
|
|
<ul class="articles">
|
|
|
|
|
|
<li class="chapter " data-level="4.6.1" data-path="../../nats_admin/upgrading_cluster.html">
|
|
|
|
<a href="../../nats_admin/upgrading_cluster.html">
|
|
|
|
|
|
Upgrading a Cluster
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="4.6.2" data-path="../../nats_admin/slow_consumers.html">
|
|
|
|
<a href="../../nats_admin/slow_consumers.html">
|
|
|
|
|
|
Slow Consumers
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="4.6.3" data-path="../../nats_admin/signals.html">
|
|
|
|
<a href="../../nats_admin/signals.html">
|
|
|
|
|
|
Signals
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="4.6.4" data-path="../../sys_accounts/">
|
|
|
|
<a href="../../sys_accounts/">
|
|
|
|
|
|
System Accounts
|
|
|
|
</a>
|
|
|
|
|
|
|
|
<ul class="articles">
|
|
|
|
|
|
<li class="chapter " data-level="4.6.4.1" data-path="../../sys_accounts/sys_accounts.html">
|
|
|
|
<a href="../../sys_accounts/sys_accounts.html">
|
|
|
|
|
|
Configuration
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
|
|
</ul>
|
|
|
|
</li>
|
|
|
|
|
|
</ul>
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="4.7" data-path="../../nats_docker/">
|
|
|
|
<a href="../../nats_docker/">
|
|
|
|
|
|
NATS and Docker
|
|
|
|
</a>
|
|
|
|
|
|
|
|
<ul class="articles">
|
|
|
|
|
|
<li class="chapter " data-level="4.7.1" data-path="../../nats_docker/tutorial.html">
|
|
|
|
<a href="../../nats_docker/tutorial.html">
|
|
|
|
|
|
Tutorial
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="4.7.2" data-path="../../nats_docker/docker_swarm.html">
|
|
|
|
<a href="../../nats_docker/docker_swarm.html">
|
|
|
|
|
|
Docker Swarm
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
|
|
</ul>
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
<li class="header">NATS Tools</li>
|
|
|
|
|
|
|
|
<li class="chapter " data-level="5.1" data-path="../../nats_tools/mkpasswd.html">
|
|
|
|
<a href="../../nats_tools/mkpasswd.html">
|
|
|
|
|
|
mkpasswd
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="5.2" data-path="../../nats_tools/nk.html">
|
|
|
|
<a href="../../nats_tools/nk.html">
|
|
|
|
|
|
nk
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="5.3" data-path="../../nats_tools/nsc/">
|
|
|
|
<a href="../../nats_tools/nsc/">
|
|
|
|
|
|
nsc
|
|
|
|
</a>
|
|
|
|
|
|
|
|
<ul class="articles">
|
|
|
|
|
|
<li class="chapter " data-level="5.3.1" data-path="../../nats_tools/nsc/nsc.html">
|
|
|
|
<a href="../../nats_tools/nsc/nsc.html">
|
|
|
|
|
|
Basics
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="5.3.2" data-path="../../nats_tools/nsc/streams.html">
|
|
|
|
<a href="../../nats_tools/nsc/streams.html">
|
|
|
|
|
|
Streams
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="5.3.3" data-path="../../nats_tools/nsc/services.html">
|
|
|
|
<a href="../../nats_tools/nsc/services.html">
|
|
|
|
|
|
Services
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="5.3.4" data-path="../../nats_tools/nsc/signing_keys.html">
|
|
|
|
<a href="../../nats_tools/nsc/signing_keys.html">
|
|
|
|
|
|
Signing Keys
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
|
|
</ul>
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="5.4" data-path="../../nats_tools/nas/">
|
|
|
|
<a href="../../nats_tools/nas/">
|
|
|
|
|
|
nats-account-server
|
|
|
|
</a>
|
|
|
|
|
|
|
|
<ul class="articles">
|
|
|
|
|
|
<li class="chapter " data-level="5.4.1" data-path="../../nats_tools/nas/nas_conf.html">
|
|
|
|
<a href="../../nats_tools/nas/nas_conf.html">
|
|
|
|
|
|
Basics
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="5.4.2" data-path="../../nats_tools/nas/inspecting_jwts.html">
|
|
|
|
<a href="../../nats_tools/nas/inspecting_jwts.html">
|
|
|
|
|
|
Inspecting JWTs
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="5.4.3" data-path="../../nats_tools/nas/mem_resolver.html">
|
|
|
|
<a href="../../nats_tools/nas/mem_resolver.html">
|
|
|
|
|
|
Memory Resolver
|
|
|
|
</a>
|
|
|
|
|
|
|
|
</li>
|
|
|
|
|
|
</ul>
|
|
|
|
</li>
|
|
|
|
<li class="chapter " data-level="5.5" data-path="../../nats_tools/nats_top/">
|
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<a href="../../nats_tools/nats_top/">
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nats-top
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</a>
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<ul class="articles">
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<li class="chapter " data-level="5.5.1" data-path="../../nats_tools/nats_top/tutorial.html">
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<a href="../../nats_tools/nats_top/tutorial.html">
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Tutorial
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</a>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="5.6" data-path="../../nats_tools/natsbench.html">
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<a href="../../nats_tools/natsbench.html">
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nats-bench
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</a>
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</li>
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<li class="header">NATS Streaming Concepts</li>
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<li class="chapter " data-level="6.1" data-path="../../nats_streaming/intro.html">
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<a href="../../nats_streaming/intro.html">
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Introduction
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</a>
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<ul class="articles">
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<li class="chapter " data-level="6.1.1" data-path="../../nats_streaming/relation-to-nats.html">
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<a href="../../nats_streaming/relation-to-nats.html">
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Relation to NATS
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</a>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="6.2" data-path="../../nats_streaming/client-connections.html">
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<a href="../../nats_streaming/client-connections.html">
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Client Connections
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</a>
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</li>
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<li class="chapter " data-level="6.3" data-path="../../nats_streaming/channels/channels.html">
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<a href="../../nats_streaming/channels/channels.html">
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Channels
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</a>
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<ul class="articles">
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<li class="chapter " data-level="6.3.1" data-path="../../nats_streaming/channels/message-log.html">
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<a href="../../nats_streaming/channels/message-log.html">
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Message Log
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</a>
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</li>
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<li class="chapter " data-level="6.3.2" data-path="../../nats_streaming/channels/subscriptions/subscriptions.html">
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<a href="../../nats_streaming/channels/subscriptions/subscriptions.html">
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Subscriptions
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</a>
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<ul class="articles">
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<li class="chapter " data-level="6.3.2.1" data-path="../../nats_streaming/channels/subscriptions/regular.html">
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<a href="../../nats_streaming/channels/subscriptions/regular.html">
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Regular
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</a>
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</li>
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<li class="chapter " data-level="6.3.2.2" data-path="../../nats_streaming/channels/subscriptions/durable.html">
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<a href="../../nats_streaming/channels/subscriptions/durable.html">
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Durable
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</a>
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</li>
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<li class="chapter " data-level="6.3.2.3" data-path="../../nats_streaming/channels/subscriptions/queue-group.html">
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<a href="../../nats_streaming/channels/subscriptions/queue-group.html">
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Queue Group
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</a>
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</li>
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<li class="chapter " data-level="6.3.2.4" data-path="../../nats_streaming/channels/subscriptions/redelivery.html">
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<a href="../../nats_streaming/channels/subscriptions/redelivery.html">
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Redelivery
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</a>
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</li>
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</ul>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="6.4" data-path="../../nats_streaming/store-interface.html">
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<a href="../../nats_streaming/store-interface.html">
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Store Interface
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</a>
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</li>
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<li class="chapter " data-level="6.5" data-path="../../nats_streaming/store-encryption.html">
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<a href="../../nats_streaming/store-encryption.html">
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Store Encryption
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</a>
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</li>
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<li class="chapter " data-level="6.6" data-path="../../nats_streaming/clustering/clustering.html">
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<a href="../../nats_streaming/clustering/clustering.html">
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Clustering
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</a>
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<ul class="articles">
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<li class="chapter " data-level="6.6.1" data-path="../../nats_streaming/clustering/supported-stores.html">
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<a href="../../nats_streaming/clustering/supported-stores.html">
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Supported Stores
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</a>
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</li>
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<li class="chapter " data-level="6.6.2" data-path="../../nats_streaming/clustering/configuration.html">
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<a href="../../nats_streaming/clustering/configuration.html">
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Configuration
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</a>
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</li>
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<li class="chapter " data-level="6.6.3" data-path="../../nats_streaming/clustering/auto-configuration.html">
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<a href="../../nats_streaming/clustering/auto-configuration.html">
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Auto Configuration
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</a>
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</li>
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<li class="chapter " data-level="6.6.4" data-path="../../nats_streaming/clustering/containers.html">
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<a href="../../nats_streaming/clustering/containers.html">
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Containers
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</a>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="6.7" data-path="../../nats_streaming/fault-tolerance/ft.html">
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<a href="../../nats_streaming/fault-tolerance/ft.html">
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Fault Tolerance
|
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</a>
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<ul class="articles">
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<li class="chapter " data-level="6.7.1" data-path="../../nats_streaming/fault-tolerance/active-server.html">
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<a href="../../nats_streaming/fault-tolerance/active-server.html">
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Active Server
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</a>
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</li>
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<li class="chapter " data-level="6.7.2" data-path="../../nats_streaming/fault-tolerance/standby-server.html">
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<a href="../../nats_streaming/fault-tolerance/standby-server.html">
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Standby Servers
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</a>
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</li>
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<li class="chapter " data-level="6.7.3" data-path="../../nats_streaming/fault-tolerance/shared-state.html">
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<a href="../../nats_streaming/fault-tolerance/shared-state.html">
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Shared State
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</a>
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</li>
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<li class="chapter " data-level="6.7.4" data-path="../../nats_streaming/fault-tolerance/failover.html">
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<a href="../../nats_streaming/fault-tolerance/failover.html">
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Failover
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</a>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="6.8" data-path="../../nats_streaming/partitioning.html">
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<a href="../../nats_streaming/partitioning.html">
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Partitioning
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</a>
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</li>
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<li class="header">Developing With NATS Streaming</li>
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<li class="chapter " data-level="7.1" data-path="../streaming/">
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<a href="../streaming/">
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Introduction
|
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</a>
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</li>
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<li class="chapter " data-level="7.2" data-path="../streaming/connecting.html">
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<a href="../streaming/connecting.html">
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Connecting to NATS Streaming
|
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</a>
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</li>
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<li class="chapter " data-level="7.3" data-path="../streaming/publishing.html">
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|
<a href="../streaming/publishing.html">
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|
|
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|
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Publishing to a Channel
|
|
|
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</a>
|
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</li>
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<li class="chapter " data-level="7.4" data-path="../streaming/receiving.html">
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<a href="../streaming/receiving.html">
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Receiving Messages from a Channel
|
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|
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</a>
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</li>
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<li class="chapter " data-level="7.5" data-path="../streaming/durables.html">
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<a href="../streaming/durables.html">
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|
|
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|
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Durable Subscriptions
|
|
|
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</a>
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|
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</li>
|
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|
<li class="chapter " data-level="7.6" data-path="../streaming/queues.html">
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<a href="../streaming/queues.html">
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Queue Subscriptions
|
|
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</a>
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</li>
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<li class="chapter " data-level="7.7" data-path="../streaming/acks.html">
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<a href="../streaming/acks.html">
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Acknowledgements
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</a>
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</li>
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<li class="chapter " data-level="7.8" data-path="../streaming/protocol.html">
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<a href="../streaming/protocol.html">
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The Streaming Protocol
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</a>
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</li>
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<li class="header">NATS Streaming Server</li>
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<li class="chapter " data-level="8.1" data-path="../../nats_streaming/gettingstarted/install.html">
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<a href="../../nats_streaming/gettingstarted/install.html">
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Installing
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</a>
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</li>
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<li class="chapter " data-level="8.2" data-path="../../nats_streaming/gettingstarted/run.html">
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<a href="../../nats_streaming/gettingstarted/run.html">
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Running
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</a>
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</li>
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<li class="chapter " data-level="8.3" data-path="../../nats_streaming/gettingstarted/configuring.html">
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<a href="../../nats_streaming/gettingstarted/configuring.html">
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Configuring
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</a>
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</li>
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<li class="chapter " data-level="8.4" data-path="../../nats_streaming/gettingstarted/tls.html">
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<a href="../../nats_streaming/gettingstarted/tls.html">
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Securing
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</a>
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</li>
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<li class="chapter " data-level="8.5" data-path="../../nats_streaming/gettingstarted/process-signaling.html">
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<a href="../../nats_streaming/gettingstarted/process-signaling.html">
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Process Signaling
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</a>
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</li>
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<li class="chapter " data-level="8.6" data-path="../../nats_streaming/gettingstarted/windows-service.html">
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<a href="../../nats_streaming/gettingstarted/windows-service.html">
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Windows Service
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</a>
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</li>
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<li class="chapter " data-level="8.7" data-path="../streaming/embedding.html">
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<a href="../streaming/embedding.html">
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Embedding NATS Streaming Server
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</a>
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</li>
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<li class="chapter " data-level="8.8" data-path="../../nats_streaming/swarm.html">
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|
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<a href="../../nats_streaming/swarm.html">
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Docker Swarm
|
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</a>
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</li>
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<li class="chapter " data-level="8.9" data-path="../../nats_streaming/monitoring/monitoring.html">
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<a href="../../nats_streaming/monitoring/monitoring.html">
|
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Monitoring
|
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</a>
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<ul class="articles">
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<li class="chapter " data-level="8.9.1" data-path="../../nats_streaming/monitoring/enabling.html">
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<a href="../../nats_streaming/monitoring/enabling.html">
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Enabling
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</a>
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</li>
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<li class="chapter " data-level="8.9.2" data-path="../../nats_streaming/monitoring/endpoints.html">
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<a href="../../nats_streaming/monitoring/endpoints.html">
|
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Endpoints
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</a>
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</li>
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</ul>
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</li>
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<li class="header">NATS Protocol</li>
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<li class="chapter " data-level="9.1" data-path="../../nats_protocol/nats-protocol-demo.html">
|
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|
|
<a href="../../nats_protocol/nats-protocol-demo.html">
|
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Protocol Demo
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</a>
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</li>
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<li class="chapter " data-level="9.2" data-path="../../nats_protocol/nats-protocol.html">
|
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|
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<a href="../../nats_protocol/nats-protocol.html">
|
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|
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Client Protocol
|
|
|
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</a>
|
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<ul class="articles">
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<li class="chapter " data-level="9.2.1" data-path="../../nats_protocol/nats-client-dev.html">
|
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|
|
<a href="../../nats_protocol/nats-client-dev.html">
|
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Developing a Client
|
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</a>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="9.3" data-path="../../nats_protocol/nats-server-protocol.html">
|
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|
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<a href="../../nats_protocol/nats-server-protocol.html">
|
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|
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NATS Cluster Protocol
|
|
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</a>
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</li>
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<li class="divider"></li>
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<li>
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<a href="https://www.gitbook.com" target="blank" class="gitbook-link">
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Published with GitBook
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</a>
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</li>
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</ul>
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</nav>
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<section class="normal markdown-section">
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<h1 id="wildcards"><a name="wildcards" class="plugin-anchor" href="#wildcards"><i class="fa fa-link" aria-hidden="true"></i></a>Wildcards</h1>
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<p>There is no special code to subscribe with a wildcard subject. Wildcards are a normal part of the subject name.</p>
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<p>However, there is a common technique that may come in to play when you use wildcards. This technique is to use the subject provided with the incoming message to determine what to do with the message.</p>
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<p>For example, you can subscribe using <code>*</code> and then act based on the actual subject.</p>
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<div class="tab-wrap">
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<input type="radio" id="subscribe_star_go" name="subscribe_star" class="tab" checked>
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<label for="subscribe_star_go" class="api-lang" data-language="go">Go</label>
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<input type="radio" id="subscribe_star_java" name="subscribe_star" class="tab">
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<label for="subscribe_star_java" class="api-lang" data-language="java">Java</label>
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<input type="radio" id="subscribe_star_js" name="subscribe_star" class="tab">
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<label for="subscribe_star_js" class="api-lang" data-language="js">JavaScript</label>
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<input type="radio" id="subscribe_star_py" name="subscribe_star" class="tab">
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<label for="subscribe_star_py" class="api-lang" data-language="py">Python</label>
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<input type="radio" id="subscribe_star_ruby" name="subscribe_star" class="tab">
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<label for="subscribe_star_ruby" class="api-lang" data-language="ruby">Ruby</label>
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<input type="radio" id="subscribe_star_ts" name="subscribe_star" class="tab">
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<label for="subscribe_star_ts" class="api-lang" data-language="ts">TypeScript</label>
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<div class="tab__content">
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<pre id="subscribe_star_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/subscribe_star/main.go#L11-35"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">nc<span class="token punctuation">,</span> err <span class="token operator">:=</span> nats<span class="token punctuation">.</span><span class="token function">Connect</span><span class="token punctuation">(</span><span class="token string">"demo.nats.io"</span><span class="token punctuation">)</span>
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<span class="token keyword">if</span> err <span class="token operator">!=</span> <span class="token boolean">nil</span> <span class="token punctuation">{</span>
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log<span class="token punctuation">.</span><span class="token function">Fatal</span><span class="token punctuation">(</span>err<span class="token punctuation">)</span>
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<span class="token punctuation">}</span>
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<span class="token keyword">defer</span> nc<span class="token punctuation">.</span><span class="token function">Close</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
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<span class="token comment">// Use a WaitGroup to wait for 2 messages to arrive</span>
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wg <span class="token operator">:=</span> sync<span class="token punctuation">.</span>WaitGroup<span class="token punctuation">{</span><span class="token punctuation">}</span>
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wg<span class="token punctuation">.</span><span class="token function">Add</span><span class="token punctuation">(</span><span class="token number">2</span><span class="token punctuation">)</span>
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<span class="token comment">// Subscribe</span>
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<span class="token keyword">if</span> <span class="token boolean">_</span><span class="token punctuation">,</span> err <span class="token operator">:=</span> nc<span class="token punctuation">.</span><span class="token function">Subscribe</span><span class="token punctuation">(</span><span class="token string">"time.*.east"</span><span class="token punctuation">,</span> <span class="token keyword">func</span><span class="token punctuation">(</span>m <span class="token operator">*</span>nats<span class="token punctuation">.</span>Msg<span class="token punctuation">)</span> <span class="token punctuation">{</span>
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log<span class="token punctuation">.</span><span class="token function">Printf</span><span class="token punctuation">(</span><span class="token string">"%s: %s"</span><span class="token punctuation">,</span> m<span class="token punctuation">.</span>Subject<span class="token punctuation">,</span> m<span class="token punctuation">.</span>Data<span class="token punctuation">)</span>
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wg<span class="token punctuation">.</span><span class="token function">Done</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
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<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span> err <span class="token operator">!=</span> <span class="token boolean">nil</span> <span class="token punctuation">{</span>
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log<span class="token punctuation">.</span><span class="token function">Fatal</span><span class="token punctuation">(</span>err<span class="token punctuation">)</span>
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<span class="token punctuation">}</span>
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<span class="token comment">// Wait for the 2 messages to come in</span>
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wg<span class="token punctuation">.</span><span class="token function">Wait</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
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<span class="token comment">// Close the connection</span>
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nc<span class="token punctuation">.</span><span class="token function">Close</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
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</code></pre>
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</div>
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<div class="tab__content">
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<pre id="subscribe_star_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/SubscribeStar.java#L14-36"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java"><span class="token class-name">Connection</span> nc <span class="token operator">=</span> <span class="token class-name">Nats</span><span class="token punctuation">.</span><span class="token function">connect</span><span class="token punctuation">(</span><span class="token string">"nats://demo.nats.io:4222"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token comment">// Use a latch to wait for 2 messages to arrive</span>
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<span class="token class-name">CountDownLatch</span> latch <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">CountDownLatch</span><span class="token punctuation">(</span><span class="token number">2</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token comment">// Create a dispatcher and inline message handler</span>
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<span class="token class-name">Dispatcher</span> d <span class="token operator">=</span> nc<span class="token punctuation">.</span><span class="token function">createDispatcher</span><span class="token punctuation">(</span><span class="token punctuation">(</span>msg<span class="token punctuation">)</span> <span class="token operator">-></span> <span class="token punctuation">{</span>
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<span class="token class-name">String</span> subject <span class="token operator">=</span> msg<span class="token punctuation">.</span><span class="token function">getSubject</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token class-name">String</span> str <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">String</span><span class="token punctuation">(</span>msg<span class="token punctuation">.</span><span class="token function">getData</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token class-name">StandardCharsets</span><span class="token punctuation">.</span>UTF_8<span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span>subject <span class="token operator">+</span> <span class="token string">": "</span> <span class="token operator">+</span> str<span class="token punctuation">)</span><span class="token punctuation">;</span>
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latch<span class="token punctuation">.</span><span class="token function">countDown</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token comment">// Subscribe</span>
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d<span class="token punctuation">.</span><span class="token function">subscribe</span><span class="token punctuation">(</span><span class="token string">"time.*.east"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token comment">// Wait for messages to come in</span>
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latch<span class="token punctuation">.</span><span class="token function">await</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token comment">// Close the connection</span>
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nc<span class="token punctuation">.</span><span class="token function">close</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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</code></pre>
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</div>
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<div class="tab__content">
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<pre id="subscribe_star_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/subscriber_samples.js#L134-157"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">nc<span class="token punctuation">.</span><span class="token function">subscribe</span><span class="token punctuation">(</span><span class="token string">'time.us.*'</span><span class="token punctuation">,</span> <span class="token punctuation">(</span><span class="token parameter">msg<span class="token punctuation">,</span> reply<span class="token punctuation">,</span> subject</span><span class="token punctuation">)</span> <span class="token operator">=></span> <span class="token punctuation">{</span>
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<span class="token comment">// converting timezones correctly in node requires a library</span>
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<span class="token comment">// this doesn't take into account *many* things.</span>
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<span class="token keyword">let</span> time <span class="token operator">=</span> <span class="token string">""</span><span class="token punctuation">;</span>
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<span class="token keyword">switch</span> <span class="token punctuation">(</span>subject<span class="token punctuation">)</span> <span class="token punctuation">{</span>
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<span class="token keyword">case</span> <span class="token string">'time.us.east'</span><span class="token punctuation">:</span>
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time <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Date</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">toLocaleTimeString</span><span class="token punctuation">(</span><span class="token string">"en-us"</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>timeZone<span class="token punctuation">:</span> <span class="token string">"America/New_York"</span><span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token keyword">break</span><span class="token punctuation">;</span>
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<span class="token keyword">case</span> <span class="token string">'time.us.central'</span><span class="token punctuation">:</span>
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time <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Date</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">toLocaleTimeString</span><span class="token punctuation">(</span><span class="token string">"en-us"</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>timeZone<span class="token punctuation">:</span> <span class="token string">"America/Chicago"</span><span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token keyword">break</span><span class="token punctuation">;</span>
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<span class="token keyword">case</span> <span class="token string">'time.us.mountain'</span><span class="token punctuation">:</span>
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time <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Date</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">toLocaleTimeString</span><span class="token punctuation">(</span><span class="token string">"en-us"</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>timeZone<span class="token punctuation">:</span> <span class="token string">"America/Denver"</span><span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token keyword">break</span><span class="token punctuation">;</span>
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<span class="token keyword">case</span> <span class="token string">'time.us.west'</span><span class="token punctuation">:</span>
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time <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Date</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">toLocaleTimeString</span><span class="token punctuation">(</span><span class="token string">"en-us"</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>timeZone<span class="token punctuation">:</span> <span class="token string">"America/Los_Angeles"</span><span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token keyword">break</span><span class="token punctuation">;</span>
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<span class="token keyword">default</span><span class="token punctuation">:</span>
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time <span class="token operator">=</span> <span class="token string">"I don't know what you are talking about Willis"</span><span class="token punctuation">;</span>
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<span class="token punctuation">}</span>
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t<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span>subject<span class="token punctuation">,</span> time<span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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</code></pre>
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</div>
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<div class="tab__content">
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<pre id="subscribe_star_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/subscribe_star.py#L6-28"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc <span class="token operator">=</span> NATS<span class="token punctuation">(</span><span class="token punctuation">)</span>
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<span class="token keyword">await</span> nc<span class="token punctuation">.</span>connect<span class="token punctuation">(</span>servers<span class="token operator">=</span><span class="token punctuation">[</span><span class="token string">"nats://demo.nats.io:4222"</span><span class="token punctuation">]</span><span class="token punctuation">)</span>
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<span class="token comment"># Use queue to wait for 2 messages to arrive</span>
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queue <span class="token operator">=</span> asyncio<span class="token punctuation">.</span>Queue<span class="token punctuation">(</span><span class="token punctuation">)</span>
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<span class="token keyword">async</span> <span class="token keyword">def</span> <span class="token function">cb</span><span class="token punctuation">(</span>msg<span class="token punctuation">)</span><span class="token punctuation">:</span>
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<span class="token keyword">await</span> queue<span class="token punctuation">.</span>put_nowait<span class="token punctuation">(</span>msg<span class="token punctuation">)</span>
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<span class="token keyword">await</span> nc<span class="token punctuation">.</span>subscribe<span class="token punctuation">(</span><span class="token string">"time.*.east"</span><span class="token punctuation">,</span> cb<span class="token operator">=</span>cb<span class="token punctuation">)</span>
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<span class="token comment"># Send 2 messages and wait for them to come in</span>
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<span class="token keyword">await</span> nc<span class="token punctuation">.</span>publish<span class="token punctuation">(</span><span class="token string">"time.A.east"</span><span class="token punctuation">,</span> <span class="token string">b'A'</span><span class="token punctuation">)</span>
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<span class="token keyword">await</span> nc<span class="token punctuation">.</span>publish<span class="token punctuation">(</span><span class="token string">"time.B.east"</span><span class="token punctuation">,</span> <span class="token string">b'B'</span><span class="token punctuation">)</span>
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msg_A <span class="token operator">=</span> <span class="token keyword">await</span> queue<span class="token punctuation">.</span>get<span class="token punctuation">(</span><span class="token punctuation">)</span>
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msg_B <span class="token operator">=</span> <span class="token keyword">await</span> queue<span class="token punctuation">.</span>get<span class="token punctuation">(</span><span class="token punctuation">)</span>
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<span class="token keyword">print</span><span class="token punctuation">(</span><span class="token string">"Msg A:"</span><span class="token punctuation">,</span> msg_A<span class="token punctuation">)</span>
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<span class="token keyword">print</span><span class="token punctuation">(</span><span class="token string">"Msg B:"</span><span class="token punctuation">,</span> msg_B<span class="token punctuation">)</span>
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</code></pre>
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</div>
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<div class="tab__content">
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<pre id="subscribe_star_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/subscribe_star.rb#L1-26"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby"><span class="token keyword">require</span> <span class="token string">'nats/client'</span>
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<span class="token keyword">require</span> <span class="token string">'fiber'</span>
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<span class="token constant">NATS</span><span class="token punctuation">.</span>start<span class="token punctuation">(</span>servers<span class="token punctuation">:</span><span class="token punctuation">[</span><span class="token string">"nats://127.0.0.1:4222"</span><span class="token punctuation">]</span><span class="token punctuation">)</span> <span class="token keyword">do</span> <span class="token operator">|</span>nc<span class="token operator">|</span>
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<span class="token constant">Fiber</span><span class="token punctuation">.</span><span class="token keyword">new</span> <span class="token class-name">do</span>
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f <span class="token operator">=</span> <span class="token constant">Fiber</span><span class="token punctuation">.</span>current
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nc<span class="token punctuation">.</span>subscribe<span class="token punctuation">(</span><span class="token string">"time.*.east"</span><span class="token punctuation">)</span> <span class="token keyword">do</span> <span class="token operator">|</span>msg<span class="token punctuation">,</span> reply<span class="token operator">|</span>
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f<span class="token punctuation">.</span>resume <span class="token builtin">Time</span><span class="token punctuation">.</span>now
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<span class="token keyword">end</span>
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nc<span class="token punctuation">.</span>publish<span class="token punctuation">(</span><span class="token string">"time.A.east"</span><span class="token punctuation">,</span> <span class="token string">"A"</span><span class="token punctuation">)</span>
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nc<span class="token punctuation">.</span>publish<span class="token punctuation">(</span><span class="token string">"time.B.east"</span><span class="token punctuation">,</span> <span class="token string">"B"</span><span class="token punctuation">)</span>
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<span class="token comment"># Use the response</span>
|
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msg_A <span class="token operator">=</span> <span class="token constant">Fiber</span><span class="token punctuation">.</span><span class="token keyword">yield</span>
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puts <span class="token string">"Msg A: <span class="token interpolation"><span class="token delimiter tag">#{</span>msg_A<span class="token delimiter tag">}</span></span>"</span>
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msg_B <span class="token operator">=</span> <span class="token constant">Fiber</span><span class="token punctuation">.</span><span class="token keyword">yield</span>
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puts <span class="token string">"Msg B: <span class="token interpolation"><span class="token delimiter tag">#{</span>msg_B<span class="token delimiter tag">}</span></span>"</span>
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<span class="token keyword">end</span><span class="token punctuation">.</span>resume
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<span class="token keyword">end</span>
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</code></pre>
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</div>
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<div class="tab__content">
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<pre id="subscribe_star_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/subscriber_samples.ts#L119-142"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript"><span class="token keyword">await</span> nc<span class="token punctuation">.</span><span class="token function">subscribe</span><span class="token punctuation">(</span><span class="token string">'time.us.*'</span><span class="token punctuation">,</span> <span class="token punctuation">(</span><span class="token parameter">err<span class="token punctuation">,</span> msg</span><span class="token punctuation">)</span> <span class="token operator">=></span> <span class="token punctuation">{</span>
|
|
<span class="token comment">// converting timezones correctly in node requires a library</span>
|
|
<span class="token comment">// this doesn't take into account *many* things.</span>
|
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<span class="token keyword">let</span> time <span class="token operator">=</span> <span class="token string">""</span><span class="token punctuation">;</span>
|
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<span class="token keyword">switch</span> <span class="token punctuation">(</span>msg<span class="token punctuation">.</span>subject<span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
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<span class="token keyword">case</span> <span class="token string">'time.us.east'</span><span class="token punctuation">:</span>
|
|
time <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Date</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">toLocaleTimeString</span><span class="token punctuation">(</span><span class="token string">"en-us"</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>timeZone<span class="token punctuation">:</span> <span class="token string">"America/New_York"</span><span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
<span class="token keyword">break</span><span class="token punctuation">;</span>
|
|
<span class="token keyword">case</span> <span class="token string">'time.us.central'</span><span class="token punctuation">:</span>
|
|
time <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Date</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">toLocaleTimeString</span><span class="token punctuation">(</span><span class="token string">"en-us"</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>timeZone<span class="token punctuation">:</span> <span class="token string">"America/Chicago"</span><span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
<span class="token keyword">break</span><span class="token punctuation">;</span>
|
|
<span class="token keyword">case</span> <span class="token string">'time.us.mountain'</span><span class="token punctuation">:</span>
|
|
time <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Date</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">toLocaleTimeString</span><span class="token punctuation">(</span><span class="token string">"en-us"</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>timeZone<span class="token punctuation">:</span> <span class="token string">"America/Denver"</span><span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
<span class="token keyword">break</span><span class="token punctuation">;</span>
|
|
<span class="token keyword">case</span> <span class="token string">'time.us.west'</span><span class="token punctuation">:</span>
|
|
time <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Date</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">toLocaleTimeString</span><span class="token punctuation">(</span><span class="token string">"en-us"</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>timeZone<span class="token punctuation">:</span> <span class="token string">"America/Los_Angeles"</span><span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
<span class="token keyword">break</span><span class="token punctuation">;</span>
|
|
<span class="token keyword">default</span><span class="token punctuation">:</span>
|
|
time <span class="token operator">=</span> <span class="token string">"I don't know what you are talking about Willis"</span><span class="token punctuation">;</span>
|
|
<span class="token punctuation">}</span>
|
|
console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span>msg<span class="token punctuation">.</span>subject<span class="token punctuation">,</span> time<span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
</code></pre>
|
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</div>
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|
</div>
|
|
<p>or do something similar with <code>></code>:</p>
|
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<div class="tab-wrap">
|
|
|
|
|
|
<input type="radio" id="subscribe_arrow_go" name="subscribe_arrow" class="tab" checked>
|
|
|
|
<label for="subscribe_arrow_go" class="api-lang" data-language="go">Go</label>
|
|
|
|
|
|
<input type="radio" id="subscribe_arrow_java" name="subscribe_arrow" class="tab">
|
|
|
|
<label for="subscribe_arrow_java" class="api-lang" data-language="java">Java</label>
|
|
|
|
|
|
<input type="radio" id="subscribe_arrow_js" name="subscribe_arrow" class="tab">
|
|
|
|
<label for="subscribe_arrow_js" class="api-lang" data-language="js">JavaScript</label>
|
|
|
|
|
|
<input type="radio" id="subscribe_arrow_py" name="subscribe_arrow" class="tab">
|
|
|
|
<label for="subscribe_arrow_py" class="api-lang" data-language="py">Python</label>
|
|
|
|
|
|
<input type="radio" id="subscribe_arrow_ruby" name="subscribe_arrow" class="tab">
|
|
|
|
<label for="subscribe_arrow_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
|
|
|
|
|
<input type="radio" id="subscribe_arrow_ts" name="subscribe_arrow" class="tab">
|
|
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|
<label for="subscribe_arrow_ts" class="api-lang" data-language="ts">TypeScript</label>
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<div class="tab__content">
|
|
<pre id="subscribe_arrow_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/subscribe_arrow/main.go#L11-35"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">nc<span class="token punctuation">,</span> err <span class="token operator">:=</span> nats<span class="token punctuation">.</span><span class="token function">Connect</span><span class="token punctuation">(</span><span class="token string">"demo.nats.io"</span><span class="token punctuation">)</span>
|
|
<span class="token keyword">if</span> err <span class="token operator">!=</span> <span class="token boolean">nil</span> <span class="token punctuation">{</span>
|
|
log<span class="token punctuation">.</span><span class="token function">Fatal</span><span class="token punctuation">(</span>err<span class="token punctuation">)</span>
|
|
<span class="token punctuation">}</span>
|
|
<span class="token keyword">defer</span> nc<span class="token punctuation">.</span><span class="token function">Close</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
|
|
|
|
<span class="token comment">// Use a WaitGroup to wait for 4 messages to arrive</span>
|
|
wg <span class="token operator">:=</span> sync<span class="token punctuation">.</span>WaitGroup<span class="token punctuation">{</span><span class="token punctuation">}</span>
|
|
wg<span class="token punctuation">.</span><span class="token function">Add</span><span class="token punctuation">(</span><span class="token number">4</span><span class="token punctuation">)</span>
|
|
|
|
<span class="token comment">// Subscribe</span>
|
|
<span class="token keyword">if</span> <span class="token boolean">_</span><span class="token punctuation">,</span> err <span class="token operator">:=</span> nc<span class="token punctuation">.</span><span class="token function">Subscribe</span><span class="token punctuation">(</span><span class="token string">"time.>"</span><span class="token punctuation">,</span> <span class="token keyword">func</span><span class="token punctuation">(</span>m <span class="token operator">*</span>nats<span class="token punctuation">.</span>Msg<span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
|
log<span class="token punctuation">.</span><span class="token function">Printf</span><span class="token punctuation">(</span><span class="token string">"%s: %s"</span><span class="token punctuation">,</span> m<span class="token punctuation">.</span>Subject<span class="token punctuation">,</span> m<span class="token punctuation">.</span>Data<span class="token punctuation">)</span>
|
|
wg<span class="token punctuation">.</span><span class="token function">Done</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
|
|
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span> err <span class="token operator">!=</span> <span class="token boolean">nil</span> <span class="token punctuation">{</span>
|
|
log<span class="token punctuation">.</span><span class="token function">Fatal</span><span class="token punctuation">(</span>err<span class="token punctuation">)</span>
|
|
<span class="token punctuation">}</span>
|
|
|
|
<span class="token comment">// Wait for the 4 messages to come in</span>
|
|
wg<span class="token punctuation">.</span><span class="token function">Wait</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
|
|
|
|
<span class="token comment">// Close the connection</span>
|
|
nc<span class="token punctuation">.</span><span class="token function">Close</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
|
|
</code></pre>
|
|
</div>
|
|
|
|
<div class="tab__content">
|
|
<pre id="subscribe_arrow_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/SubscribeArrow.java#L14-36"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java"><span class="token class-name">Connection</span> nc <span class="token operator">=</span> <span class="token class-name">Nats</span><span class="token punctuation">.</span><span class="token function">connect</span><span class="token punctuation">(</span><span class="token string">"nats://demo.nats.io:4222"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
|
|
<span class="token comment">// Use a latch to wait for 4 messages to arrive</span>
|
|
<span class="token class-name">CountDownLatch</span> latch <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">CountDownLatch</span><span class="token punctuation">(</span><span class="token number">4</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
|
|
<span class="token comment">// Create a dispatcher and inline message handler</span>
|
|
<span class="token class-name">Dispatcher</span> d <span class="token operator">=</span> nc<span class="token punctuation">.</span><span class="token function">createDispatcher</span><span class="token punctuation">(</span><span class="token punctuation">(</span>msg<span class="token punctuation">)</span> <span class="token operator">-></span> <span class="token punctuation">{</span>
|
|
<span class="token class-name">String</span> subject <span class="token operator">=</span> msg<span class="token punctuation">.</span><span class="token function">getSubject</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
<span class="token class-name">String</span> str <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">String</span><span class="token punctuation">(</span>msg<span class="token punctuation">.</span><span class="token function">getData</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token class-name">StandardCharsets</span><span class="token punctuation">.</span>UTF_8<span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
<span class="token class-name">System</span><span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span>subject <span class="token operator">+</span> <span class="token string">": "</span> <span class="token operator">+</span> str<span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
latch<span class="token punctuation">.</span><span class="token function">countDown</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
|
|
<span class="token comment">// Subscribe</span>
|
|
d<span class="token punctuation">.</span><span class="token function">subscribe</span><span class="token punctuation">(</span><span class="token string">"time.>"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
|
|
<span class="token comment">// Wait for messages to come in</span>
|
|
latch<span class="token punctuation">.</span><span class="token function">await</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
|
|
<span class="token comment">// Close the connection</span>
|
|
nc<span class="token punctuation">.</span><span class="token function">close</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
</code></pre>
|
|
</div>
|
|
|
|
<div class="tab__content">
|
|
<pre id="subscribe_arrow_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/subscriber_samples.js#L176-199"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">nc<span class="token punctuation">.</span><span class="token function">subscribe</span><span class="token punctuation">(</span><span class="token string">'time.>'</span><span class="token punctuation">,</span> <span class="token punctuation">(</span><span class="token parameter">msg<span class="token punctuation">,</span> reply<span class="token punctuation">,</span> subject</span><span class="token punctuation">)</span> <span class="token operator">=></span> <span class="token punctuation">{</span>
|
|
<span class="token comment">// converting timezones correctly in node requires a library</span>
|
|
<span class="token comment">// this doesn't take into account *many* things.</span>
|
|
<span class="token keyword">let</span> time <span class="token operator">=</span> <span class="token string">""</span><span class="token punctuation">;</span>
|
|
<span class="token keyword">switch</span> <span class="token punctuation">(</span>subject<span class="token punctuation">)</span> <span class="token punctuation">{</span>
|
|
<span class="token keyword">case</span> <span class="token string">'time.us.east'</span><span class="token punctuation">:</span>
|
|
time <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Date</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">toLocaleTimeString</span><span class="token punctuation">(</span><span class="token string">"en-us"</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>timeZone<span class="token punctuation">:</span> <span class="token string">"America/New_York"</span><span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
<span class="token keyword">break</span><span class="token punctuation">;</span>
|
|
<span class="token keyword">case</span> <span class="token string">'time.us.central'</span><span class="token punctuation">:</span>
|
|
time <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Date</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">toLocaleTimeString</span><span class="token punctuation">(</span><span class="token string">"en-us"</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>timeZone<span class="token punctuation">:</span> <span class="token string">"America/Chicago"</span><span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
<span class="token keyword">break</span><span class="token punctuation">;</span>
|
|
<span class="token keyword">case</span> <span class="token string">'time.us.mountain'</span><span class="token punctuation">:</span>
|
|
time <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Date</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">toLocaleTimeString</span><span class="token punctuation">(</span><span class="token string">"en-us"</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>timeZone<span class="token punctuation">:</span> <span class="token string">"America/Denver"</span><span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
<span class="token keyword">break</span><span class="token punctuation">;</span>
|
|
<span class="token keyword">case</span> <span class="token string">'time.us.west'</span><span class="token punctuation">:</span>
|
|
time <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Date</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">toLocaleTimeString</span><span class="token punctuation">(</span><span class="token string">"en-us"</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>timeZone<span class="token punctuation">:</span> <span class="token string">"America/Los_Angeles"</span><span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
<span class="token keyword">break</span><span class="token punctuation">;</span>
|
|
<span class="token keyword">default</span><span class="token punctuation">:</span>
|
|
time <span class="token operator">=</span> <span class="token string">"I don't know what you are talking about Willis"</span><span class="token punctuation">;</span>
|
|
<span class="token punctuation">}</span>
|
|
t<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span>subject<span class="token punctuation">,</span> time<span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
</code></pre>
|
|
</div>
|
|
|
|
<div class="tab__content">
|
|
<pre id="subscribe_arrow_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/subscribe_arrow.py#L6-30"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc <span class="token operator">=</span> NATS<span class="token punctuation">(</span><span class="token punctuation">)</span>
|
|
|
|
<span class="token keyword">await</span> nc<span class="token punctuation">.</span>connect<span class="token punctuation">(</span>servers<span class="token operator">=</span><span class="token punctuation">[</span><span class="token string">"nats://demo.nats.io:4222"</span><span class="token punctuation">]</span><span class="token punctuation">)</span>
|
|
|
|
<span class="token comment"># Use queue to wait for 4 messages to arrive</span>
|
|
queue <span class="token operator">=</span> asyncio<span class="token punctuation">.</span>Queue<span class="token punctuation">(</span><span class="token punctuation">)</span>
|
|
<span class="token keyword">async</span> <span class="token keyword">def</span> <span class="token function">cb</span><span class="token punctuation">(</span>msg<span class="token punctuation">)</span><span class="token punctuation">:</span>
|
|
<span class="token keyword">await</span> queue<span class="token punctuation">.</span>put<span class="token punctuation">(</span>msg<span class="token punctuation">)</span>
|
|
|
|
<span class="token keyword">await</span> nc<span class="token punctuation">.</span>subscribe<span class="token punctuation">(</span><span class="token string">"time.>"</span><span class="token punctuation">,</span> cb<span class="token operator">=</span>cb<span class="token punctuation">)</span>
|
|
|
|
<span class="token comment"># Send 2 messages and wait for them to come in</span>
|
|
<span class="token keyword">await</span> nc<span class="token punctuation">.</span>publish<span class="token punctuation">(</span><span class="token string">"time.A.east"</span><span class="token punctuation">,</span> <span class="token string">b'A'</span><span class="token punctuation">)</span>
|
|
<span class="token keyword">await</span> nc<span class="token punctuation">.</span>publish<span class="token punctuation">(</span><span class="token string">"time.B.east"</span><span class="token punctuation">,</span> <span class="token string">b'B'</span><span class="token punctuation">)</span>
|
|
<span class="token keyword">await</span> nc<span class="token punctuation">.</span>publish<span class="token punctuation">(</span><span class="token string">"time.C.west"</span><span class="token punctuation">,</span> <span class="token string">b'C'</span><span class="token punctuation">)</span>
|
|
<span class="token keyword">await</span> nc<span class="token punctuation">.</span>publish<span class="token punctuation">(</span><span class="token string">"time.D.west"</span><span class="token punctuation">,</span> <span class="token string">b'D'</span><span class="token punctuation">)</span>
|
|
|
|
<span class="token keyword">for</span> i <span class="token keyword">in</span> <span class="token builtin">range</span><span class="token punctuation">(</span><span class="token number">0</span><span class="token punctuation">,</span> <span class="token number">4</span><span class="token punctuation">)</span><span class="token punctuation">:</span>
|
|
msg <span class="token operator">=</span> <span class="token keyword">await</span> queue<span class="token punctuation">.</span>get<span class="token punctuation">(</span><span class="token punctuation">)</span>
|
|
<span class="token keyword">print</span><span class="token punctuation">(</span><span class="token string">"Msg:"</span><span class="token punctuation">,</span> msg<span class="token punctuation">)</span>
|
|
|
|
<span class="token keyword">await</span> nc<span class="token punctuation">.</span>close<span class="token punctuation">(</span><span class="token punctuation">)</span>
|
|
|
|
</code></pre>
|
|
</div>
|
|
|
|
<div class="tab__content">
|
|
<pre id="subscribe_arrow_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/subscribe_arrow.rb#L1-26"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby"><span class="token keyword">require</span> <span class="token string">'nats/client'</span>
|
|
<span class="token keyword">require</span> <span class="token string">'fiber'</span>
|
|
|
|
<span class="token constant">NATS</span><span class="token punctuation">.</span>start<span class="token punctuation">(</span>servers<span class="token punctuation">:</span><span class="token punctuation">[</span><span class="token string">"nats://127.0.0.1:4222"</span><span class="token punctuation">]</span><span class="token punctuation">)</span> <span class="token keyword">do</span> <span class="token operator">|</span>nc<span class="token operator">|</span>
|
|
<span class="token constant">Fiber</span><span class="token punctuation">.</span><span class="token keyword">new</span> <span class="token class-name">do</span>
|
|
f <span class="token operator">=</span> <span class="token constant">Fiber</span><span class="token punctuation">.</span>current
|
|
|
|
nc<span class="token punctuation">.</span>subscribe<span class="token punctuation">(</span><span class="token string">"time.>"</span><span class="token punctuation">)</span> <span class="token keyword">do</span> <span class="token operator">|</span>msg<span class="token punctuation">,</span> reply<span class="token operator">|</span>
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f<span class="token punctuation">.</span>resume <span class="token builtin">Time</span><span class="token punctuation">.</span>now<span class="token punctuation">.</span>to_f
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<span class="token keyword">end</span>
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nc<span class="token punctuation">.</span>publish<span class="token punctuation">(</span><span class="token string">"time.A.east"</span><span class="token punctuation">,</span> <span class="token string">"A"</span><span class="token punctuation">)</span>
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nc<span class="token punctuation">.</span>publish<span class="token punctuation">(</span><span class="token string">"time.B.east"</span><span class="token punctuation">,</span> <span class="token string">"B"</span><span class="token punctuation">)</span>
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nc<span class="token punctuation">.</span>publish<span class="token punctuation">(</span><span class="token string">"time.C.west"</span><span class="token punctuation">,</span> <span class="token string">"C"</span><span class="token punctuation">)</span>
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nc<span class="token punctuation">.</span>publish<span class="token punctuation">(</span><span class="token string">"time.D.west"</span><span class="token punctuation">,</span> <span class="token string">"D"</span><span class="token punctuation">)</span>
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<span class="token comment"># Use the response</span>
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<span class="token number">4.</span>times <span class="token keyword">do</span>
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msg <span class="token operator">=</span> <span class="token constant">Fiber</span><span class="token punctuation">.</span><span class="token keyword">yield</span>
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puts <span class="token string">"Msg: <span class="token interpolation"><span class="token delimiter tag">#{</span>msg<span class="token delimiter tag">}</span></span>"</span>
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<span class="token keyword">end</span>
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<span class="token keyword">end</span><span class="token punctuation">.</span>resume
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<span class="token keyword">end</span>
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</code></pre>
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</div>
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<div class="tab__content">
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<pre id="subscribe_arrow_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/subscriber_samples.ts#L156-179"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript"><span class="token keyword">await</span> nc<span class="token punctuation">.</span><span class="token function">subscribe</span><span class="token punctuation">(</span><span class="token string">'time.>'</span><span class="token punctuation">,</span> <span class="token punctuation">(</span><span class="token parameter">err<span class="token punctuation">,</span> msg</span><span class="token punctuation">)</span> <span class="token operator">=></span> <span class="token punctuation">{</span>
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<span class="token comment">// converting timezones correctly in node requires a library</span>
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<span class="token comment">// this doesn't take into account *many* things.</span>
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<span class="token keyword">let</span> time <span class="token operator">=</span> <span class="token string">""</span><span class="token punctuation">;</span>
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<span class="token keyword">switch</span> <span class="token punctuation">(</span>msg<span class="token punctuation">.</span>subject<span class="token punctuation">)</span> <span class="token punctuation">{</span>
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<span class="token keyword">case</span> <span class="token string">'time.us.east'</span><span class="token punctuation">:</span>
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time <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Date</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">toLocaleTimeString</span><span class="token punctuation">(</span><span class="token string">"en-us"</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>timeZone<span class="token punctuation">:</span> <span class="token string">"America/New_York"</span><span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token keyword">break</span><span class="token punctuation">;</span>
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<span class="token keyword">case</span> <span class="token string">'time.us.central'</span><span class="token punctuation">:</span>
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time <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Date</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">toLocaleTimeString</span><span class="token punctuation">(</span><span class="token string">"en-us"</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>timeZone<span class="token punctuation">:</span> <span class="token string">"America/Chicago"</span><span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token keyword">break</span><span class="token punctuation">;</span>
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<span class="token keyword">case</span> <span class="token string">'time.us.mountain'</span><span class="token punctuation">:</span>
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time <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Date</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">toLocaleTimeString</span><span class="token punctuation">(</span><span class="token string">"en-us"</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>timeZone<span class="token punctuation">:</span> <span class="token string">"America/Denver"</span><span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
<span class="token keyword">break</span><span class="token punctuation">;</span>
|
|
<span class="token keyword">case</span> <span class="token string">'time.us.west'</span><span class="token punctuation">:</span>
|
|
time <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Date</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">toLocaleTimeString</span><span class="token punctuation">(</span><span class="token string">"en-us"</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>timeZone<span class="token punctuation">:</span> <span class="token string">"America/Los_Angeles"</span><span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
<span class="token keyword">break</span><span class="token punctuation">;</span>
|
|
<span class="token keyword">default</span><span class="token punctuation">:</span>
|
|
time <span class="token operator">=</span> <span class="token string">"I don't know what you are talking about Willis"</span><span class="token punctuation">;</span>
|
|
<span class="token punctuation">}</span>
|
|
t<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span>msg<span class="token punctuation">.</span>subject<span class="token punctuation">,</span> time<span class="token punctuation">)</span><span class="token punctuation">;</span>
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|
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
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</code></pre>
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</div>
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</div>
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<p>The following example can be used to test these two subscribers. The <code>*</code> subscriber should receive at most 2 messages, while the <code>></code> subscriber receives 4. More importantly the <code>time.*.east</code> subscriber won't receive on <code>time.us.east.atlanta</code> because that won't match.</p>
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<div class="tab-wrap">
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<input type="radio" id="wildcard_tester_go" name="wildcard_tester" class="tab" checked>
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<label for="wildcard_tester_go" class="api-lang" data-language="go">Go</label>
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<input type="radio" id="wildcard_tester_java" name="wildcard_tester" class="tab">
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<label for="wildcard_tester_java" class="api-lang" data-language="java">Java</label>
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<input type="radio" id="wildcard_tester_js" name="wildcard_tester" class="tab">
|
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<label for="wildcard_tester_js" class="api-lang" data-language="js">JavaScript</label>
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<input type="radio" id="wildcard_tester_py" name="wildcard_tester" class="tab">
|
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<label for="wildcard_tester_py" class="api-lang" data-language="py">Python</label>
|
|
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<input type="radio" id="wildcard_tester_ruby" name="wildcard_tester" class="tab">
|
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<label for="wildcard_tester_ruby" class="api-lang" data-language="ruby">Ruby</label>
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<input type="radio" id="wildcard_tester_ts" name="wildcard_tester" class="tab">
|
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<label for="wildcard_tester_ts" class="api-lang" data-language="ts">TypeScript</label>
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<div class="tab__content">
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<pre id="wildcard_tester_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/wildcard_tester/main.go#L11-41"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">nc<span class="token punctuation">,</span> err <span class="token operator">:=</span> nats<span class="token punctuation">.</span><span class="token function">Connect</span><span class="token punctuation">(</span><span class="token string">"demo.nats.io"</span><span class="token punctuation">)</span>
|
|
<span class="token keyword">if</span> err <span class="token operator">!=</span> <span class="token boolean">nil</span> <span class="token punctuation">{</span>
|
|
log<span class="token punctuation">.</span><span class="token function">Fatal</span><span class="token punctuation">(</span>err<span class="token punctuation">)</span>
|
|
<span class="token punctuation">}</span>
|
|
<span class="token keyword">defer</span> nc<span class="token punctuation">.</span><span class="token function">Close</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
|
|
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zoneID<span class="token punctuation">,</span> err <span class="token operator">:=</span> time<span class="token punctuation">.</span><span class="token function">LoadLocation</span><span class="token punctuation">(</span><span class="token string">"America/New_York"</span><span class="token punctuation">)</span>
|
|
<span class="token keyword">if</span> err <span class="token operator">!=</span> <span class="token boolean">nil</span> <span class="token punctuation">{</span>
|
|
log<span class="token punctuation">.</span><span class="token function">Fatal</span><span class="token punctuation">(</span>err<span class="token punctuation">)</span>
|
|
<span class="token punctuation">}</span>
|
|
now <span class="token operator">:=</span> time<span class="token punctuation">.</span><span class="token function">Now</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
|
|
zoneDateTime <span class="token operator">:=</span> now<span class="token punctuation">.</span><span class="token function">In</span><span class="token punctuation">(</span>zoneID<span class="token punctuation">)</span>
|
|
formatted <span class="token operator">:=</span> zoneDateTime<span class="token punctuation">.</span><span class="token function">String</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
|
|
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|
nc<span class="token punctuation">.</span><span class="token function">Publish</span><span class="token punctuation">(</span><span class="token string">"time.us.east"</span><span class="token punctuation">,</span> <span class="token punctuation">[</span><span class="token punctuation">]</span><span class="token function">byte</span><span class="token punctuation">(</span>formatted<span class="token punctuation">)</span><span class="token punctuation">)</span>
|
|
nc<span class="token punctuation">.</span><span class="token function">Publish</span><span class="token punctuation">(</span><span class="token string">"time.us.east.atlanta"</span><span class="token punctuation">,</span> <span class="token punctuation">[</span><span class="token punctuation">]</span><span class="token function">byte</span><span class="token punctuation">(</span>formatted<span class="token punctuation">)</span><span class="token punctuation">)</span>
|
|
|
|
zoneID<span class="token punctuation">,</span> err <span class="token operator">=</span> time<span class="token punctuation">.</span><span class="token function">LoadLocation</span><span class="token punctuation">(</span><span class="token string">"Europe/Warsaw"</span><span class="token punctuation">)</span>
|
|
<span class="token keyword">if</span> err <span class="token operator">!=</span> <span class="token boolean">nil</span> <span class="token punctuation">{</span>
|
|
log<span class="token punctuation">.</span><span class="token function">Fatal</span><span class="token punctuation">(</span>err<span class="token punctuation">)</span>
|
|
<span class="token punctuation">}</span>
|
|
zoneDateTime <span class="token operator">=</span> now<span class="token punctuation">.</span><span class="token function">In</span><span class="token punctuation">(</span>zoneID<span class="token punctuation">)</span>
|
|
formatted <span class="token operator">=</span> zoneDateTime<span class="token punctuation">.</span><span class="token function">String</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
|
|
|
|
nc<span class="token punctuation">.</span><span class="token function">Publish</span><span class="token punctuation">(</span><span class="token string">"time.eu.east"</span><span class="token punctuation">,</span> <span class="token punctuation">[</span><span class="token punctuation">]</span><span class="token function">byte</span><span class="token punctuation">(</span>formatted<span class="token punctuation">)</span><span class="token punctuation">)</span>
|
|
nc<span class="token punctuation">.</span><span class="token function">Publish</span><span class="token punctuation">(</span><span class="token string">"time.eu.east.warsaw"</span><span class="token punctuation">,</span> <span class="token punctuation">[</span><span class="token punctuation">]</span><span class="token function">byte</span><span class="token punctuation">(</span>formatted<span class="token punctuation">)</span><span class="token punctuation">)</span>
|
|
|
|
<span class="token comment">// Close the connection</span>
|
|
nc<span class="token punctuation">.</span><span class="token function">Close</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
|
|
</code></pre>
|
|
</div>
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<div class="tab__content">
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<pre id="wildcard_tester_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/PublishForWildcards.java#L17-34"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java"><span class="token class-name">Connection</span> nc <span class="token operator">=</span> <span class="token class-name">Nats</span><span class="token punctuation">.</span><span class="token function">connect</span><span class="token punctuation">(</span><span class="token string">"nats://demo.nats.io:4222"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
<span class="token class-name">ZoneId</span> zoneId <span class="token operator">=</span> <span class="token class-name">ZoneId</span><span class="token punctuation">.</span><span class="token function">of</span><span class="token punctuation">(</span><span class="token string">"America/New_York"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
<span class="token class-name">ZonedDateTime</span> zonedDateTime <span class="token operator">=</span> <span class="token class-name">ZonedDateTime</span><span class="token punctuation">.</span><span class="token function">ofInstant</span><span class="token punctuation">(</span><span class="token class-name">Instant</span><span class="token punctuation">.</span><span class="token function">now</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> zoneId<span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
<span class="token class-name">String</span> formatted <span class="token operator">=</span> zonedDateTime<span class="token punctuation">.</span><span class="token function">format</span><span class="token punctuation">(</span><span class="token class-name">DateTimeFormatter</span><span class="token punctuation">.</span>ISO_ZONED_DATE_TIME<span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
|
|
nc<span class="token punctuation">.</span><span class="token function">publish</span><span class="token punctuation">(</span><span class="token string">"time.us.east"</span><span class="token punctuation">,</span> formatted<span class="token punctuation">.</span><span class="token function">getBytes</span><span class="token punctuation">(</span><span class="token class-name">StandardCharsets</span><span class="token punctuation">.</span>UTF_8<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
nc<span class="token punctuation">.</span><span class="token function">publish</span><span class="token punctuation">(</span><span class="token string">"time.us.east.atlanta"</span><span class="token punctuation">,</span> formatted<span class="token punctuation">.</span><span class="token function">getBytes</span><span class="token punctuation">(</span><span class="token class-name">StandardCharsets</span><span class="token punctuation">.</span>UTF_8<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
|
|
zoneId <span class="token operator">=</span> <span class="token class-name">ZoneId</span><span class="token punctuation">.</span><span class="token function">of</span><span class="token punctuation">(</span><span class="token string">"Europe/Warsaw"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
zonedDateTime <span class="token operator">=</span> <span class="token class-name">ZonedDateTime</span><span class="token punctuation">.</span><span class="token function">ofInstant</span><span class="token punctuation">(</span><span class="token class-name">Instant</span><span class="token punctuation">.</span><span class="token function">now</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> zoneId<span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
formatted <span class="token operator">=</span> zonedDateTime<span class="token punctuation">.</span><span class="token function">format</span><span class="token punctuation">(</span><span class="token class-name">DateTimeFormatter</span><span class="token punctuation">.</span>ISO_ZONED_DATE_TIME<span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
nc<span class="token punctuation">.</span><span class="token function">publish</span><span class="token punctuation">(</span><span class="token string">"time.eu.east"</span><span class="token punctuation">,</span> formatted<span class="token punctuation">.</span><span class="token function">getBytes</span><span class="token punctuation">(</span><span class="token class-name">StandardCharsets</span><span class="token punctuation">.</span>UTF_8<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
nc<span class="token punctuation">.</span><span class="token function">publish</span><span class="token punctuation">(</span><span class="token string">"time.eu.east.warsaw"</span><span class="token punctuation">,</span> formatted<span class="token punctuation">.</span><span class="token function">getBytes</span><span class="token punctuation">(</span><span class="token class-name">StandardCharsets</span><span class="token punctuation">.</span>UTF_8<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
|
|
nc<span class="token punctuation">.</span><span class="token function">flush</span><span class="token punctuation">(</span><span class="token class-name">Duration</span><span class="token punctuation">.</span>ZERO<span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
nc<span class="token punctuation">.</span><span class="token function">close</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
</code></pre>
|
|
</div>
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|
<div class="tab__content">
|
|
<pre id="wildcard_tester_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/publisher_samples.js#L136-141"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">nc<span class="token punctuation">.</span><span class="token function">publish</span><span class="token punctuation">(</span><span class="token string">'time.us.east'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
nc<span class="token punctuation">.</span><span class="token function">publish</span><span class="token punctuation">(</span><span class="token string">'time.us.central'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
nc<span class="token punctuation">.</span><span class="token function">publish</span><span class="token punctuation">(</span><span class="token string">'time.us.mountain'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
nc<span class="token punctuation">.</span><span class="token function">publish</span><span class="token punctuation">(</span><span class="token string">'time.us.west'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
</code></pre>
|
|
</div>
|
|
|
|
<div class="tab__content">
|
|
<pre id="wildcard_tester_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/wildcard_tester.py#L6-19"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc <span class="token operator">=</span> NATS<span class="token punctuation">(</span><span class="token punctuation">)</span>
|
|
|
|
<span class="token keyword">await</span> nc<span class="token punctuation">.</span>connect<span class="token punctuation">(</span>servers<span class="token operator">=</span><span class="token punctuation">[</span><span class="token string">"nats://demo.nats.io:4222"</span><span class="token punctuation">]</span><span class="token punctuation">)</span>
|
|
|
|
<span class="token keyword">await</span> nc<span class="token punctuation">.</span>publish<span class="token punctuation">(</span><span class="token string">"time.us.east"</span><span class="token punctuation">,</span> <span class="token string">b'...'</span><span class="token punctuation">)</span>
|
|
<span class="token keyword">await</span> nc<span class="token punctuation">.</span>publish<span class="token punctuation">(</span><span class="token string">"time.us.east.atlanta"</span><span class="token punctuation">,</span> <span class="token string">b'...'</span><span class="token punctuation">)</span>
|
|
|
|
<span class="token keyword">await</span> nc<span class="token punctuation">.</span>publish<span class="token punctuation">(</span><span class="token string">"time.eu.east"</span><span class="token punctuation">,</span> <span class="token string">b'...'</span><span class="token punctuation">)</span>
|
|
<span class="token keyword">await</span> nc<span class="token punctuation">.</span>publish<span class="token punctuation">(</span><span class="token string">"time.eu.east.warsaw"</span><span class="token punctuation">,</span> <span class="token string">b'...'</span><span class="token punctuation">)</span>
|
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<span class="token keyword">await</span> nc<span class="token punctuation">.</span>close<span class="token punctuation">(</span><span class="token punctuation">)</span>
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</code></pre>
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</div>
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<div class="tab__content">
|
|
<pre id="wildcard_tester_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/wildcard_tester.rb#L2-12"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby"><span class="token constant">NATS</span><span class="token punctuation">.</span>start <span class="token keyword">do</span> <span class="token operator">|</span>nc<span class="token operator">|</span>
|
|
nc<span class="token punctuation">.</span>publish<span class="token punctuation">(</span><span class="token string">"time.us.east"</span><span class="token punctuation">,</span> <span class="token string">'...'</span><span class="token punctuation">)</span>
|
|
nc<span class="token punctuation">.</span>publish<span class="token punctuation">(</span><span class="token string">"time.us.east.atlanta"</span><span class="token punctuation">,</span> <span class="token string">'...'</span><span class="token punctuation">)</span>
|
|
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|
nc<span class="token punctuation">.</span>publish<span class="token punctuation">(</span><span class="token string">"time.eu.east"</span><span class="token punctuation">,</span> <span class="token string">'...'</span><span class="token punctuation">)</span>
|
|
nc<span class="token punctuation">.</span>publish<span class="token punctuation">(</span><span class="token string">"time.eu.east.warsaw"</span><span class="token punctuation">,</span> <span class="token string">'...'</span><span class="token punctuation">)</span>
|
|
|
|
nc<span class="token punctuation">.</span>drain
|
|
<span class="token keyword">end</span>
|
|
</code></pre>
|
|
</div>
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<div class="tab__content">
|
|
<pre id="wildcard_tester_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/publisher_samples.ts#L136-141"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">nc<span class="token punctuation">.</span><span class="token function">publish</span><span class="token punctuation">(</span><span class="token string">'time.us.east'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
nc<span class="token punctuation">.</span><span class="token function">publish</span><span class="token punctuation">(</span><span class="token string">'time.us.central'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
nc<span class="token punctuation">.</span><span class="token function">publish</span><span class="token punctuation">(</span><span class="token string">'time.us.mountain'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
|
nc<span class="token punctuation">.</span><span class="token function">publish</span><span class="token punctuation">(</span><span class="token string">'time.us.west'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
|
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</code></pre>
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document.querySelectorAll('.api-lang').forEach(elem => {
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sessionStorage.setItem('nats-api-language', lang); // So we only do this 1x
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updateLanguageParameter(lang)
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document.querySelectorAll('.api-lang[data-language=' + lang + ']').forEach(elem => {
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text-align: center;
|
|
transition: 0.3s background-color ease, 0.3s box-shadow ease;
|
|
height: 50px;
|
|
box-sizing: border-box;
|
|
padding: 15px;
|
|
}
|
|
|
|
.tab+label:hover {
|
|
background-color: #f9f9f9;
|
|
box-shadow: 0 1px 0 #f4f4f4 inset;
|
|
}
|
|
|
|
.tab__content {
|
|
padding: 2px 2px;
|
|
background-color: transparent;
|
|
position: absolute;
|
|
width: 100%;
|
|
z-index: -1;
|
|
opacity: 0;
|
|
left: 0;
|
|
-webkit-transform: translateY(-3px);
|
|
transform: translateY(-3px);
|
|
border-radius: 6px;
|
|
}
|
|
|
|
.tab__content pre {
|
|
margin-bottom: 0px !important;
|
|
}
|
|
|
|
.toolbar-icons {
|
|
display: inline-block;
|
|
position: relative;
|
|
padding-left: 4px;
|
|
}
|
|
|
|
a.toolbar-icons {
|
|
text-decoration: none;
|
|
}
|
|
|
|
.toolbar-icons .mdi {
|
|
color: #4183c4;
|
|
}
|
|
|
|
.copy-msg {
|
|
color: #4183c4;
|
|
}
|
|
|
|
.pull-right {
|
|
float: right !important;
|
|
}
|
|
|
|
.pull-left {
|
|
float: left !important;
|
|
}
|
|
</style>
|
|
|
|
|
|
<script src="../../gitbook/gitbook.js"></script>
|
|
<script src="../../gitbook/theme.js"></script>
|
|
|
|
|
|
<script src="../../gitbook/gitbook-plugin-toggle-chapters/toggle.js"></script>
|
|
|
|
|
|
|
|
<script src="../../gitbook/gitbook-plugin-search/search-engine.js"></script>
|
|
|
|
|
|
|
|
<script src="../../gitbook/gitbook-plugin-search/search.js"></script>
|
|
|
|
|
|
|
|
<script src="../../gitbook/gitbook-plugin-lunr/lunr.min.js"></script>
|
|
|
|
|
|
|
|
<script src="../../gitbook/gitbook-plugin-lunr/search-lunr.js"></script>
|
|
|
|
|
|
|
|
<script src="../../gitbook/gitbook-plugin-fontsettings/fontsettings.js"></script>
|
|
|
|
|
|
|
|
</body>
|
|
</html>
|
|
|