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| <div class="subTitle">org.apache.twill.api</div> |
| <h2 title="Interface TwillRunnable" class="title">Interface TwillRunnable</h2> |
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| <dt>All Superinterfaces:</dt> |
| <dd><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Runnable.html?is-external=true" title="class or interface in java.lang">Runnable</a></dd> |
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| <dl> |
| <dt>All Known Implementing Classes:</dt> |
| <dd><a href="../../../../org/apache/twill/api/AbstractTwillRunnable.html" title="class in org.apache.twill.api">AbstractTwillRunnable</a>, <a href="../../../../org/apache/twill/ext/BundledJarRunnable.html" title="class in org.apache.twill.ext">BundledJarRunnable</a></dd> |
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| <pre>public interface <span class="typeNameLabel">TwillRunnable</span> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Runnable.html?is-external=true" title="class or interface in java.lang">Runnable</a></pre> |
| <div class="block">The <a href="../../../../org/apache/twill/api/TwillRunnable.html" title="interface in org.apache.twill.api"><code>TwillRunnable</code></a> interface should be implemented by any |
| class whose instances are intended to be executed in a Twill cluster.</div> |
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| <h3>Method Summary</h3> |
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| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/twill/api/TwillRunnableSpecification.html" title="interface in org.apache.twill.api">TwillRunnableSpecification</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/twill/api/TwillRunnable.html#configure--">configure</a></span>()</code> |
| <div class="block">Called at submission time.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/twill/api/TwillRunnable.html#destroy--">destroy</a></span>()</code> |
| <div class="block">Called when the <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Runnable.html?is-external=true#run--" title="class or interface in java.lang"><code>Runnable.run()</code></a> completed.</div> |
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| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/twill/api/TwillRunnable.html#handleCommand-org.apache.twill.api.Command-">handleCommand</a></span>(<a href="../../../../org/apache/twill/api/Command.html" title="interface in org.apache.twill.api">Command</a> command)</code> |
| <div class="block">Called when a command is received.</div> |
| </td> |
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| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/twill/api/TwillRunnable.html#initialize-org.apache.twill.api.TwillContext-">initialize</a></span>(<a href="../../../../org/apache/twill/api/TwillContext.html" title="interface in org.apache.twill.api">TwillContext</a> context)</code> |
| <div class="block">Called when the container process starts.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/twill/api/TwillRunnable.html#stop--">stop</a></span>()</code> |
| <div class="block">Requests to stop the running service.</div> |
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| <h3>Methods inherited from interface java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Runnable.html?is-external=true" title="class or interface in java.lang">Runnable</a></h3> |
| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Runnable.html?is-external=true#run--" title="class or interface in java.lang">run</a></code></li> |
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| <h3>Method Detail</h3> |
| <a name="configure--"> |
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| <h4>configure</h4> |
| <pre><a href="../../../../org/apache/twill/api/TwillRunnableSpecification.html" title="interface in org.apache.twill.api">TwillRunnableSpecification</a> configure()</pre> |
| <div class="block">Called at submission time. Executed on the client side.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A <a href="../../../../org/apache/twill/api/TwillRunnableSpecification.html" title="interface in org.apache.twill.api"><code>TwillRunnableSpecification</code></a> built by <a href="../../../../org/apache/twill/api/TwillRunnableSpecification.Builder.html" title="class in org.apache.twill.api"><code>TwillRunnableSpecification.Builder</code></a>.</dd> |
| </dl> |
| </li> |
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| <a name="initialize-org.apache.twill.api.TwillContext-"> |
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| <h4>initialize</h4> |
| <pre>void initialize(<a href="../../../../org/apache/twill/api/TwillContext.html" title="interface in org.apache.twill.api">TwillContext</a> context)</pre> |
| <div class="block">Called when the container process starts. Executed in container machine. If any exception is thrown from this |
| method, this runnable won't get retry.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>context</code> - Contains information about the runtime context.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="handleCommand-org.apache.twill.api.Command-"> |
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| <h4>handleCommand</h4> |
| <pre>void handleCommand(<a href="../../../../org/apache/twill/api/Command.html" title="interface in org.apache.twill.api">Command</a> command) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre> |
| <div class="block">Called when a command is received. A normal return denotes the command has been processed successfully, otherwise |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang"><code>Exception</code></a> should be thrown.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>command</code> - Contains details of the command.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd> |
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| <h4>stop</h4> |
| <pre>void stop()</pre> |
| <div class="block">Requests to stop the running service.</div> |
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| <h4>destroy</h4> |
| <pre>void destroy()</pre> |
| <div class="block">Called when the <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Runnable.html?is-external=true#run--" title="class or interface in java.lang"><code>Runnable.run()</code></a> completed. Useful for doing |
| resource cleanup. This method would only get called if the call to <a href="../../../../org/apache/twill/api/TwillRunnable.html#initialize-org.apache.twill.api.TwillContext-"><code>initialize(TwillContext)</code></a> was |
| successful.</div> |
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