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| <pre>public class <span class="typeNameLabel">LoadAwareShuffleGrouping</span> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> |
| implements <a href="../../../../org/apache/storm/grouping/LoadAwareCustomStreamGrouping.html" title="interface in org.apache.storm.grouping">LoadAwareCustomStreamGrouping</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a></pre> |
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| <dd><a href="../../../../serialized-form.html#org.apache.storm.grouping.LoadAwareShuffleGrouping">Serialized Form</a></dd> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/grouping/LoadAwareShuffleGrouping.html#LoadAwareShuffleGrouping--">LoadAwareShuffleGrouping</a></span>()</code> </td> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/grouping/LoadAwareShuffleGrouping.html#chooseTasks-int-java.util.List-">chooseTasks</a></span>(int taskId, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>> values)</code> |
| <div class="block">This function implements a custom stream grouping.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/grouping/LoadAwareShuffleGrouping.html#getCapacity--">getCapacity</a></span>()</code> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>org.apache.storm.grouping.LoadAwareShuffleGrouping.LocalityScope</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/grouping/LoadAwareShuffleGrouping.html#getCurrentScope--">getCurrentScope</a></span>()</code> </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/storm/grouping/LoadAwareShuffleGrouping.html#prepare-org.apache.storm.task.WorkerTopologyContext-org.apache.storm.generated.GlobalStreamId-java.util.List-">prepare</a></span>(<a href="../../../../org/apache/storm/task/WorkerTopologyContext.html" title="class in org.apache.storm.task">WorkerTopologyContext</a> context, |
| <a href="../../../../org/apache/storm/generated/GlobalStreamId.html" title="class in org.apache.storm.generated">GlobalStreamId</a> stream, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>> targetTasks)</code> |
| <div class="block">Tells the stream grouping at runtime the tasks in the target bolt.</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/storm/grouping/LoadAwareShuffleGrouping.html#refreshLoad-org.apache.storm.grouping.LoadMapping-">refreshLoad</a></span>(<a href="../../../../org/apache/storm/grouping/LoadMapping.html" title="class in org.apache.storm.grouping">LoadMapping</a> loadMapping)</code> </td> |
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| <h3>Constructor Detail</h3> |
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| <li class="blockList"> |
| <h4>LoadAwareShuffleGrouping</h4> |
| <pre>public LoadAwareShuffleGrouping()</pre> |
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| <h3>Method Detail</h3> |
| <a name="prepare-org.apache.storm.task.WorkerTopologyContext-org.apache.storm.generated.GlobalStreamId-java.util.List-"> |
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| <h4>prepare</h4> |
| <pre>public void prepare(<a href="../../../../org/apache/storm/task/WorkerTopologyContext.html" title="class in org.apache.storm.task">WorkerTopologyContext</a> context, |
| <a href="../../../../org/apache/storm/generated/GlobalStreamId.html" title="class in org.apache.storm.generated">GlobalStreamId</a> stream, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>> targetTasks)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/storm/grouping/CustomStreamGrouping.html#prepare-org.apache.storm.task.WorkerTopologyContext-org.apache.storm.generated.GlobalStreamId-java.util.List-">CustomStreamGrouping</a></code></span></div> |
| <div class="block"><p>Tells the stream grouping at runtime the tasks in the target bolt. This information should be used in chooseTasks to determine the target tasks.</p><p><p>It also tells the grouping the metadata on the stream this grouping will be used on.</p></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/storm/grouping/CustomStreamGrouping.html#prepare-org.apache.storm.task.WorkerTopologyContext-org.apache.storm.generated.GlobalStreamId-java.util.List-">prepare</a></code> in interface <code><a href="../../../../org/apache/storm/grouping/CustomStreamGrouping.html" title="interface in org.apache.storm.grouping">CustomStreamGrouping</a></code></dd> |
| </dl> |
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| <!-- --> |
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| <h4>chooseTasks</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>> chooseTasks(int taskId, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>> values)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/storm/grouping/CustomStreamGrouping.html#chooseTasks-int-java.util.List-">CustomStreamGrouping</a></code></span></div> |
| <div class="block"><p>This function implements a custom stream grouping. It takes in as input the number of tasks in the target bolt in prepare and returns the tasks to send the tuples to.</p></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/storm/grouping/CustomStreamGrouping.html#chooseTasks-int-java.util.List-">chooseTasks</a></code> in interface <code><a href="../../../../org/apache/storm/grouping/CustomStreamGrouping.html" title="interface in org.apache.storm.grouping">CustomStreamGrouping</a></code></dd> |
| <dd><code>values</code> - the values to group on</dd> |
| </dl> |
| </li> |
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| <a name="refreshLoad-org.apache.storm.grouping.LoadMapping-"> |
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| <h4>refreshLoad</h4> |
| <pre>public void refreshLoad(<a href="../../../../org/apache/storm/grouping/LoadMapping.html" title="class in org.apache.storm.grouping">LoadMapping</a> loadMapping)</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/storm/grouping/LoadAwareCustomStreamGrouping.html#refreshLoad-org.apache.storm.grouping.LoadMapping-">refreshLoad</a></code> in interface <code><a href="../../../../org/apache/storm/grouping/LoadAwareCustomStreamGrouping.html" title="interface in org.apache.storm.grouping">LoadAwareCustomStreamGrouping</a></code></dd> |
| </dl> |
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| <a name="getCapacity--"> |
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| <h4>getCapacity</h4> |
| <pre>public int getCapacity()</pre> |
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| <h4>getCurrentScope</h4> |
| <pre>public org.apache.storm.grouping.LoadAwareShuffleGrouping.LocalityScope getCurrentScope()</pre> |
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