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nats.docs/_examples/connect_default.html
2019-06-07 11:12:14 -05:00

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<div class="tab-wrap">
<input type="radio" id="connect_default_go" name="connect_default" class="tab" checked>
<label for="connect_default_go" class="api-lang" data-language="go">Go</label>
<input type="radio" id="connect_default_java" name="connect_default" class="tab">
<label for="connect_default_java" class="api-lang" data-language="java">Java</label>
<input type="radio" id="connect_default_js" name="connect_default" class="tab">
<label for="connect_default_js" class="api-lang" data-language="js">JavaScript</label>
<input type="radio" id="connect_default_py" name="connect_default" class="tab">
<label for="connect_default_py" class="api-lang" data-language="py">Python</label>
<input type="radio" id="connect_default_ruby" name="connect_default" class="tab">
<label for="connect_default_ruby" class="api-lang" data-language="ruby">Ruby</label>
<input type="radio" id="connect_default_ts" name="connect_default" class="tab">
<label for="connect_default_ts" class="api-lang" data-language="ts">TypeScript</label>
<div class="tab__content">
<pre id="connect_default_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/connect_default/main.go#L10-19"><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-go">nc, err := nats.Connect(nats.DefaultURL)
if err != nil {
log.Fatal(err)
}
defer nc.Close()
// Do something with the connection
</code></pre>
</div>
<div class="tab__content">
<pre id="connect_default_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/ConnectToDefaultServer.java#L10-16"><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">Connection nc = Nats.connect();
// Do something with the connection
nc.close();
</code></pre>
</div>
<div class="tab__content">
<pre id="connect_default_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/connection_samples.js#L24-35"><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-javascript">let nc = NATS.connect();
nc.on(&#39;connect&#39;, (c) =&gt; {
// Do something with the connection
doSomething();
// When done close it
nc.close();
});
nc.on(&#39;error&#39;, (err) =&gt; {
failed(err);
});
</code></pre>
</div>
<div class="tab__content">
<pre id="connect_default_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/connect_default.py#L5-13"><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 = NATS()
await nc.connect()
# Do something with the connection
await nc.close()
</code></pre>
</div>
<div class="tab__content">
<pre id="connect_default_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/connect_default.rb#L1-10"><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">require &#39;nats/client&#39;
NATS.start do |nc|
# Do something with the connection
# Close the connection
nc.close
end
</code></pre>
</div>
<div class="tab__content">
<pre id="connect_default_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/connection_samples.ts#L16-34"><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-javascript">// will throw an exception if connection fails
let nc = await connect();
// Do something with the connection
// When done close it
nc.close();
// alternatively, you can use the Promise pattern
let nc1: Client;
connect()
.then((c) =&gt; {
nc1 = c;
// Do something with the connection
nc1.close();
});
// add a .catch/.finally
</code></pre>
</div>
</div>