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| <h2 title="Class BaseStatefulBolt" class="title">Class BaseStatefulBolt<T extends <a href="../../../../../org/apache/storm/state/State.html" title="interface in org.apache.storm.state">State</a>></h2> |
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| <li>org.apache.storm.topology.base.BaseStatefulBolt<T></li> |
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| <pre>public abstract class <span class="typeNameLabel">BaseStatefulBolt<T extends <a href="../../../../../org/apache/storm/state/State.html" title="interface in org.apache.storm.state">State</a>></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/topology/IStatefulBolt.html" title="interface in org.apache.storm.topology">IStatefulBolt</a><T></pre> |
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| <dd><a href="../../../../../serialized-form.html#org.apache.storm.topology.base.BaseStatefulBolt">Serialized Form</a></dd> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/topology/base/BaseStatefulBolt.html#BaseStatefulBolt--">BaseStatefulBolt</a></span>()</code> </td> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/topology/base/BaseStatefulBolt.html#cleanup--">cleanup</a></span>()</code> |
| <div class="block">Analogue to bolt function.</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/storm/topology/base/BaseStatefulBolt.html#declareOutputFields-org.apache.storm.topology.OutputFieldsDeclarer-">declareOutputFields</a></span>(<a href="../../../../../org/apache/storm/topology/OutputFieldsDeclarer.html" title="interface in org.apache.storm.topology">OutputFieldsDeclarer</a> declarer)</code> |
| <div class="block">Declare the output schema for all the streams of this topology.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</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>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/topology/base/BaseStatefulBolt.html#getComponentConfiguration--">getComponentConfiguration</a></span>()</code> |
| <div class="block">Declare configuration specific to this component.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/topology/base/BaseStatefulBolt.html#preCommit-long-">preCommit</a></span>(long txid)</code> |
| <div class="block">This is a hook for the component to perform some actions just before the framework commits its state.</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/topology/base/BaseStatefulBolt.html#prepare-java.util.Map-org.apache.storm.task.TopologyContext-org.apache.storm.task.OutputCollector-">prepare</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</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>> topoConf, |
| <a href="../../../../../org/apache/storm/task/TopologyContext.html" title="class in org.apache.storm.task">TopologyContext</a> context, |
| <a href="../../../../../org/apache/storm/task/OutputCollector.html" title="class in org.apache.storm.task">OutputCollector</a> collector)</code> |
| <div class="block">Analogue to bolt function.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/topology/base/BaseStatefulBolt.html#prePrepare-long-">prePrepare</a></span>(long txid)</code> |
| <div class="block">This is a hook for the component to perform some actions just before the framework prepares its state.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/topology/base/BaseStatefulBolt.html#preRollback--">preRollback</a></span>()</code> |
| <div class="block">This is a hook for the component to perform some actions just before the framework rolls back the prepared state.</div> |
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| <h3>Methods inherited from interface org.apache.storm.topology.<a href="../../../../../org/apache/storm/topology/IStatefulBolt.html" title="interface in org.apache.storm.topology">IStatefulBolt</a></h3> |
| <code><a href="../../../../../org/apache/storm/topology/IStatefulBolt.html#execute-org.apache.storm.tuple.Tuple-">execute</a></code></li> |
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| <code><a href="../../../../../org/apache/storm/topology/IStatefulComponent.html#initState-T-">initState</a></code></li> |
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| <pre>public BaseStatefulBolt()</pre> |
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| <h4>prepare</h4> |
| <pre>public void prepare(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</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>> topoConf, |
| <a href="../../../../../org/apache/storm/task/TopologyContext.html" title="class in org.apache.storm.task">TopologyContext</a> context, |
| <a href="../../../../../org/apache/storm/task/OutputCollector.html" title="class in org.apache.storm.task">OutputCollector</a> collector)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/storm/topology/IStatefulBolt.html#prepare-java.util.Map-org.apache.storm.task.TopologyContext-org.apache.storm.task.OutputCollector-">IStatefulBolt</a></code></span></div> |
| <div class="block"><p>Analogue to bolt function.</p></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/storm/topology/IStatefulBolt.html#prepare-java.util.Map-org.apache.storm.task.TopologyContext-org.apache.storm.task.OutputCollector-">prepare</a></code> in interface <code><a href="../../../../../org/apache/storm/topology/IStatefulBolt.html" title="interface in org.apache.storm.topology">IStatefulBolt</a><<a href="../../../../../org/apache/storm/topology/base/BaseStatefulBolt.html" title="type parameter in BaseStatefulBolt">T</a> extends <a href="../../../../../org/apache/storm/state/State.html" title="interface in org.apache.storm.state">State</a>></code></dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../org/apache/storm/task/IBolt.html#prepare-java.util.Map-org.apache.storm.task.TopologyContext-org.apache.storm.task.OutputCollector-"><code>IBolt.prepare(Map, TopologyContext, OutputCollector)</code></a></dd> |
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| <h4>cleanup</h4> |
| <pre>public void cleanup()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/storm/topology/IStatefulBolt.html#cleanup--">IStatefulBolt</a></code></span></div> |
| <div class="block"><p>Analogue to bolt function.</p></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/storm/topology/IStatefulBolt.html#cleanup--">cleanup</a></code> in interface <code><a href="../../../../../org/apache/storm/topology/IStatefulBolt.html" title="interface in org.apache.storm.topology">IStatefulBolt</a><<a href="../../../../../org/apache/storm/topology/base/BaseStatefulBolt.html" title="type parameter in BaseStatefulBolt">T</a> extends <a href="../../../../../org/apache/storm/state/State.html" title="interface in org.apache.storm.state">State</a>></code></dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../org/apache/storm/task/IBolt.html#cleanup--"><code>IBolt.cleanup()</code></a></dd> |
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| <h4>declareOutputFields</h4> |
| <pre>public void declareOutputFields(<a href="../../../../../org/apache/storm/topology/OutputFieldsDeclarer.html" title="interface in org.apache.storm.topology">OutputFieldsDeclarer</a> declarer)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/storm/topology/IComponent.html#declareOutputFields-org.apache.storm.topology.OutputFieldsDeclarer-">IComponent</a></code></span></div> |
| <div class="block"><p>Declare the output schema for all the streams of this topology.</p></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/storm/topology/IComponent.html#declareOutputFields-org.apache.storm.topology.OutputFieldsDeclarer-">declareOutputFields</a></code> in interface <code><a href="../../../../../org/apache/storm/topology/IComponent.html" title="interface in org.apache.storm.topology">IComponent</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>declarer</code> - this is used to declare output stream ids, output fields, and whether or not each output stream is a direct stream</dd> |
| </dl> |
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| <h4>getComponentConfiguration</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</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>> getComponentConfiguration()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/storm/topology/IComponent.html#getComponentConfiguration--">IComponent</a></code></span></div> |
| <div class="block"><p>Declare configuration specific to this component. Only a subset of the “topology.*” configs can be overridden. The component configuration can be further overridden when constructing the topology using <a href="../../../../../org/apache/storm/topology/TopologyBuilder.html" title="class in org.apache.storm.topology"><code>TopologyBuilder</code></a></p></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/storm/topology/IComponent.html#getComponentConfiguration--">getComponentConfiguration</a></code> in interface <code><a href="../../../../../org/apache/storm/topology/IComponent.html" title="interface in org.apache.storm.topology">IComponent</a></code></dd> |
| </dl> |
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| <h4>preCommit</h4> |
| <pre>public void preCommit(long txid)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/storm/topology/IStatefulComponent.html#preCommit-long-">IStatefulComponent</a></code></span></div> |
| <div class="block"><p>This is a hook for the component to perform some actions just before the framework commits its state.</p></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/storm/topology/IStatefulComponent.html#preCommit-long-">preCommit</a></code> in interface <code><a href="../../../../../org/apache/storm/topology/IStatefulComponent.html" title="interface in org.apache.storm.topology">IStatefulComponent</a><<a href="../../../../../org/apache/storm/topology/base/BaseStatefulBolt.html" title="type parameter in BaseStatefulBolt">T</a> extends <a href="../../../../../org/apache/storm/state/State.html" title="interface in org.apache.storm.state">State</a>></code></dd> |
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| <div class="block"><p>This is a hook for the component to perform some actions just before the framework rolls back the prepared state.</p></div> |
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