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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.heron.scheduler</a></div> |
| <h2 title="Class NullLauncher" class="title">Class NullLauncher</h2> |
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| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
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| <ul class="inheritance"> |
| <li>org.apache.heron.scheduler.NullLauncher</li> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd><code>java.lang.AutoCloseable</code>, <code><a href="../spi/scheduler/ILauncher.html" title="interface in org.apache.heron.spi.scheduler">ILauncher</a></code></dd> |
| </dl> |
| <hr> |
| <pre>public class <span class="typeNameLabel">NullLauncher</span> |
| extends java.lang.Object |
| implements <a href="../spi/scheduler/ILauncher.html" title="interface in org.apache.heron.spi.scheduler">ILauncher</a></pre> |
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| <tr> |
| <th class="colFirst" scope="col">Constructor</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">NullLauncher</a></span>()</code></th> |
| <td class="colLast"> </td> |
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| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Method</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#close()">close</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">This is to for disposing or cleaning up any internal state accumulated by |
| the ILauncher</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#initialize(org.apache.heron.spi.common.Config,org.apache.heron.spi.common.Config)">initialize</a></span>​(<a href="../spi/common/Config.html" title="class in org.apache.heron.spi.common">Config</a> config, |
| <a href="../spi/common/Config.html" title="class in org.apache.heron.spi.common">Config</a> runtime)</code></th> |
| <td class="colLast"> |
| <div class="block">Initialize Launcher with Config, Uploader and topology.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#launch(org.apache.heron.spi.packing.PackingPlan)">launch</a></span>​(<a href="../spi/packing/PackingPlan.html" title="class in org.apache.heron.spi.packing">PackingPlan</a> packing)</code></th> |
| <td class="colLast"> |
| <div class="block">Starts scheduler.</div> |
| </td> |
| </tr> |
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| <h3>Methods inherited from class java.lang.Object</h3> |
| <code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li> |
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| <h4>NullLauncher</h4> |
| <pre>public NullLauncher()</pre> |
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| <h4>initialize</h4> |
| <pre class="methodSignature">public void initialize​(<a href="../spi/common/Config.html" title="class in org.apache.heron.spi.common">Config</a> config, |
| <a href="../spi/common/Config.html" title="class in org.apache.heron.spi.common">Config</a> runtime)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../spi/scheduler/ILauncher.html#initialize(org.apache.heron.spi.common.Config,org.apache.heron.spi.common.Config)">ILauncher</a></code></span></div> |
| <div class="block">Initialize Launcher with Config, Uploader and topology. These object |
| will be passed from submitter main. Config will contain information that launcher may use |
| to setup scheduler and other parameters required by launcher to contact |
| services which will launch scheduler.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../spi/scheduler/ILauncher.html#initialize(org.apache.heron.spi.common.Config,org.apache.heron.spi.common.Config)">initialize</a></code> in interface <code><a href="../spi/scheduler/ILauncher.html" title="interface in org.apache.heron.spi.scheduler">ILauncher</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>config</code> - the config</dd> |
| <dd><code>runtime</code> - the runtime</dd> |
| </dl> |
| </li> |
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| <a id="close()"> |
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| <h4>close</h4> |
| <pre class="methodSignature">public void close()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../spi/scheduler/ILauncher.html#close()">ILauncher</a></code></span></div> |
| <div class="block">This is to for disposing or cleaning up any internal state accumulated by |
| the ILauncher |
| <p> |
| Closes this stream and releases any system resources associated |
| with it. If the stream is already closed then invoking this |
| method has no effect.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code>close</code> in interface <code>java.lang.AutoCloseable</code></dd> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../spi/scheduler/ILauncher.html#close()">close</a></code> in interface <code><a href="../spi/scheduler/ILauncher.html" title="interface in org.apache.heron.spi.scheduler">ILauncher</a></code></dd> |
| </dl> |
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| <h4>launch</h4> |
| <pre class="methodSignature">public boolean launch​(<a href="../spi/packing/PackingPlan.html" title="class in org.apache.heron.spi.packing">PackingPlan</a> packing)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../spi/scheduler/ILauncher.html#launch(org.apache.heron.spi.packing.PackingPlan)">ILauncher</a></code></span></div> |
| <div class="block">Starts scheduler. Once this function returns successfully, heron-cli will terminate and |
| the launch process succeeded.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../spi/scheduler/ILauncher.html#launch(org.apache.heron.spi.packing.PackingPlan)">launch</a></code> in interface <code><a href="../spi/scheduler/ILauncher.html" title="interface in org.apache.heron.spi.scheduler">ILauncher</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>packing</code> - Initial mapping suggested by running packing algorithm. |
| container_id->List of instance_id to be launched on this container.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if topology launched successfully, false otherwise.</dd> |
| </dl> |
| </li> |
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