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| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">org.apache.storm.trident.spout</a></div> |
| <h1 title="Class BatchSpoutExecutor" class="title">Class BatchSpoutExecutor</h1> |
| </div> |
| <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a> |
| <div class="inheritance">org.apache.storm.trident.spout.BatchSpoutExecutor</div> |
| </div> |
| <section class="class-description" id="class-description"> |
| <dl class="notes"> |
| <dt>All Implemented Interfaces:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/Serializable.html" title="class or interface in java.io" class="external-link">Serializable</a></code>, <code><a href="ITridentDataSource.html" title="interface in org.apache.storm.trident.spout">ITridentDataSource</a></code>, <code><a href="ITridentSpout.html" title="interface in org.apache.storm.trident.spout">ITridentSpout</a><<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>></code></dd> |
| </dl> |
| <hr> |
| <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">BatchSpoutExecutor</span> |
| <span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a> |
| implements <a href="ITridentSpout.html" title="interface in org.apache.storm.trident.spout">ITridentSpout</a><<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>></span></div> |
| <dl class="notes"> |
| <dt>See Also:</dt> |
| <dd> |
| <ul class="see-list"> |
| <li><a href="../../../../../serialized-form.html#org.apache.storm.trident.spout.BatchSpoutExecutor">Serialized Form</a></li> |
| </ul> |
| </dd> |
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| <section class="summary"> |
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| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Class</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color"><code>class </code></div> |
| <div class="col-second even-row-color"><code><a href="BatchSpoutExecutor.BatchSpoutEmitter.html" class="type-name-link" title="class in org.apache.storm.trident.spout">BatchSpoutExecutor.BatchSpoutEmitter</a></code></div> |
| <div class="col-last even-row-color"> </div> |
| <div class="col-first odd-row-color"><code>static class </code></div> |
| <div class="col-second odd-row-color"><code><a href="BatchSpoutExecutor.EmptyCoordinator.html" class="type-name-link" title="class in org.apache.storm.trident.spout">BatchSpoutExecutor.EmptyCoordinator</a></code></div> |
| <div class="col-last odd-row-color"> </div> |
| </div> |
| <div class="inherited-list"> |
| <h2 id="nested-classes-inherited-from-class-org.apache.storm.trident.spout.ITridentSpout">Nested classes/interfaces inherited from interface org.apache.storm.trident.spout.<a href="ITridentSpout.html" title="interface in org.apache.storm.trident.spout">ITridentSpout</a></h2> |
| <code><a href="ITridentSpout.BatchCoordinator.html" title="interface in org.apache.storm.trident.spout">ITridentSpout.BatchCoordinator</a><<a href="ITridentSpout.BatchCoordinator.html" title="type parameter in ITridentSpout.BatchCoordinator">X</a>>, <a href="ITridentSpout.Emitter.html" title="interface in org.apache.storm.trident.spout">ITridentSpout.Emitter</a><<a href="ITridentSpout.Emitter.html" title="type parameter in ITridentSpout.Emitter">X</a>></code></div> |
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| <div class="table-header col-first">Constructor</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(org.apache.storm.trident.spout.IBatchSpout)" class="member-name-link">BatchSpoutExecutor</a><wbr>(<a href="IBatchSpout.html" title="interface in org.apache.storm.trident.spout">IBatchSpout</a> spout)</code></div> |
| <div class="col-last even-row-color"> </div> |
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| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Method</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getComponentConfiguration()" class="member-name-link">getComponentConfiguration</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="ITridentSpout.BatchCoordinator.html" title="interface in org.apache.storm.trident.spout">ITridentSpout.BatchCoordinator</a><<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getCoordinator(java.lang.String,java.util.Map,org.apache.storm.task.TopologyContext)" class="member-name-link">getCoordinator</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> txStateId, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>> conf, |
| <a href="../../task/TopologyContext.html" title="class in org.apache.storm.task">TopologyContext</a> context)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">The coordinator for a TransactionalSpout runs in a single thread and indicates when batches of tuples should be |
| emitted.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="ITridentSpout.Emitter.html" title="interface in org.apache.storm.trident.spout">ITridentSpout.Emitter</a><<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getEmitter(java.lang.String,java.util.Map,org.apache.storm.task.TopologyContext)" class="member-name-link">getEmitter</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> txStateId, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>> conf, |
| <a href="../../task/TopologyContext.html" title="class in org.apache.storm.task">TopologyContext</a> context)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">The emitter for a TransactionalSpout runs as many tasks across the cluster.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../../tuple/Fields.html" title="class in org.apache.storm.tuple">Fields</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getOutputFields()" class="member-name-link">getOutputFields</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| </div> |
| </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class java.lang.<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3> |
| <code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="details-list"> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <li> |
| <section class="constructor-details" id="constructor-detail"> |
| <h2>Constructor Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="<init>(org.apache.storm.trident.spout.IBatchSpout)"> |
| <h3>BatchSpoutExecutor</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="element-name">BatchSpoutExecutor</span><wbr><span class="parameters">(<a href="IBatchSpout.html" title="interface in org.apache.storm.trident.spout">IBatchSpout</a> spout)</span></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li> |
| <section class="method-details" id="method-detail"> |
| <h2>Method Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="getCoordinator(java.lang.String,java.util.Map,org.apache.storm.task.TopologyContext)"> |
| <h3>getCoordinator</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="ITridentSpout.BatchCoordinator.html" title="interface in org.apache.storm.trident.spout">ITridentSpout.BatchCoordinator</a><<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>></span> <span class="element-name">getCoordinator</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> txStateId, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>> conf, |
| <a href="../../task/TopologyContext.html" title="class in org.apache.storm.task">TopologyContext</a> context)</span></div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="ITridentSpout.html#getCoordinator(java.lang.String,java.util.Map,org.apache.storm.task.TopologyContext)">ITridentSpout</a></code></span></div> |
| <div class="block">The coordinator for a TransactionalSpout runs in a single thread and indicates when batches of tuples should be |
| emitted. The Coordinator that you provide in a TransactionalSpout provides metadata for each transaction so that |
| the transactions can be replayed in case of failure. |
| |
| <p>Two instances are requested, one on the master batch coordinator where isReady() is called, and an instance in |
| the coordinator bolt which is used for all other operations. The two instances do not necessarily share a worker |
| JVM.</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="ITridentSpout.html#getCoordinator(java.lang.String,java.util.Map,org.apache.storm.task.TopologyContext)">getCoordinator</a></code> in interface <code><a href="ITridentSpout.html" title="interface in org.apache.storm.trident.spout">ITridentSpout</a><<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>></code></dd> |
| <dt>Parameters:</dt> |
| <dd><code>txStateId</code> - stream id</dd> |
| <dd><code>conf</code> - Storm config map</dd> |
| <dd><code>context</code> - topology context</dd> |
| <dt>Returns:</dt> |
| <dd>spout coordinator instance</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getEmitter(java.lang.String,java.util.Map,org.apache.storm.task.TopologyContext)"> |
| <h3>getEmitter</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="ITridentSpout.Emitter.html" title="interface in org.apache.storm.trident.spout">ITridentSpout.Emitter</a><<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>></span> <span class="element-name">getEmitter</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> txStateId, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>> conf, |
| <a href="../../task/TopologyContext.html" title="class in org.apache.storm.task">TopologyContext</a> context)</span></div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="ITridentSpout.html#getEmitter(java.lang.String,java.util.Map,org.apache.storm.task.TopologyContext)">ITridentSpout</a></code></span></div> |
| <div class="block">The emitter for a TransactionalSpout runs as many tasks across the cluster. Emitters are responsible for emitting |
| batches of tuples for a transaction and must ensure that the same batch of tuples is always emitted for the same |
| transaction id. |
| |
| <p>All emitter tasks get the same transaction metadata. The topology context parameter contains the instance task |
| id that can be used to distribute the work across the tasks.</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="ITridentSpout.html#getEmitter(java.lang.String,java.util.Map,org.apache.storm.task.TopologyContext)">getEmitter</a></code> in interface <code><a href="ITridentSpout.html" title="interface in org.apache.storm.trident.spout">ITridentSpout</a><<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>></code></dd> |
| <dt>Parameters:</dt> |
| <dd><code>txStateId</code> - stream id</dd> |
| <dd><code>conf</code> - Storm config map</dd> |
| <dd><code>context</code> - topology context</dd> |
| <dt>Returns:</dt> |
| <dd>spout emitter</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getComponentConfiguration()"> |
| <h3>getComponentConfiguration</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>></span> <span class="element-name">getComponentConfiguration</span>()</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="ITridentSpout.html#getComponentConfiguration()">getComponentConfiguration</a></code> in interface <code><a href="ITridentSpout.html" title="interface in org.apache.storm.trident.spout">ITridentSpout</a><<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getOutputFields()"> |
| <h3>getOutputFields</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="../../tuple/Fields.html" title="class in org.apache.storm.tuple">Fields</a></span> <span class="element-name">getOutputFields</span>()</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="ITridentSpout.html#getOutputFields()">getOutputFields</a></code> in interface <code><a href="ITridentSpout.html" title="interface in org.apache.storm.trident.spout">ITridentSpout</a><<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>></code></dd> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </section> |
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