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| <title>BaseRichSpout (Storm 2.6.2 API)</title> |
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| <ul class="sub-nav-list"> |
| <li>Summary: </li> |
| <li>Nested | </li> |
| <li>Field | </li> |
| <li><a href="#constructor-summary">Constr</a> | </li> |
| <li><a href="#method-summary">Method</a></li> |
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| <li>Detail: </li> |
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| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">org.apache.storm.topology.base</a></div> |
| <h1 title="Class BaseRichSpout" class="title">Class BaseRichSpout</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"><a href="BaseComponent.html" title="class in org.apache.storm.topology.base">org.apache.storm.topology.base.BaseComponent</a> |
| <div class="inheritance">org.apache.storm.topology.base.BaseRichSpout</div> |
| </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="../../spout/ISpout.html" title="interface in org.apache.storm.spout">ISpout</a></code>, <code><a href="../IComponent.html" title="interface in org.apache.storm.topology">IComponent</a></code>, <code><a href="../IRichSpout.html" title="interface in org.apache.storm.topology">IRichSpout</a></code></dd> |
| </dl> |
| <dl class="notes"> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><code><a href="../../starter/AnchoredWordCount.RandomSentenceSpout.html" title="class in org.apache.storm.starter">AnchoredWordCount.RandomSentenceSpout</a></code>, <code><a href="../../starter/BlobStoreAPIWordCountTopology.RandomSentenceSpout.html" title="class in org.apache.storm.starter">BlobStoreAPIWordCountTopology.RandomSentenceSpout</a></code>, <code><a href="../../hive/bolt/BucketTestHiveTopology.UserDataSpout.html" title="class in org.apache.storm.hive.bolt">BucketTestHiveTopology.UserDataSpout</a></code>, <code><a href="../../spout/CheckpointSpout.html" title="class in org.apache.storm.spout">CheckpointSpout</a></code>, <code><a href="../../perf/spout/ConstSpout.html" title="class in org.apache.storm.perf.spout">ConstSpout</a></code>, <code><a href="../../drpc/DRPCSpout.html" title="class in org.apache.storm.drpc">DRPCSpout</a></code>, <code><a href="../../elasticsearch/bolt/EsIndexTopology.UserDataSpout.html" title="class in org.apache.storm.elasticsearch.bolt">EsIndexTopology.UserDataSpout</a></code>, <code><a href="../../ExclamationTopology.FixedOrderWordSpout.html" title="class in org.apache.storm">ExclamationTopology.FixedOrderWordSpout</a></code>, <code><a href="../../starter/FastWordCountTopology.FastRandomSentenceSpout.html" title="class in org.apache.storm.starter">FastWordCountTopology.FastRandomSentenceSpout</a></code>, <code><a href="../../testing/FeederSpout.html" title="class in org.apache.storm.testing">FeederSpout</a></code>, <code><a href="../../perf/spout/FileReadSpout.html" title="class in org.apache.storm.perf.spout">FileReadSpout</a></code>, <code><a href="../../hdfs/bolt/HdfsFileTopology.SentenceSpout.html" title="class in org.apache.storm.hdfs.bolt">HdfsFileTopology.SentenceSpout</a></code>, <code><a href="../../hdfs/spout/HdfsSpout.html" title="class in org.apache.storm.hdfs.spout">HdfsSpout</a></code>, <code><a href="../../hive/bolt/HiveTopology.UserDataSpout.html" title="class in org.apache.storm.hive.bolt">HiveTopology.UserDataSpout</a></code>, <code><a href="../../hive/bolt/HiveTopologyPartitioned.UserDataSpout.html" title="class in org.apache.storm.hive.bolt">HiveTopologyPartitioned.UserDataSpout</a></code>, <code><a href="../../st/topology/window/IncrementingSpout.html" title="class in org.apache.storm.st.topology.window">IncrementingSpout</a></code>, <code><a href="../../starter/InOrderDeliveryTest.InOrderSpout.html" title="class in org.apache.storm.starter">InOrderDeliveryTest.InOrderSpout</a></code>, <code><a href="../../jms/spout/JmsSpout.html" title="class in org.apache.storm.jms.spout">JmsSpout</a></code>, <code><a href="../../kafka/spout/KafkaSpout.html" title="class in org.apache.storm.kafka.spout">KafkaSpout</a></code>, <code><a href="../../lambda/LambdaSpout.html" title="class in org.apache.storm.lambda">LambdaSpout</a></code>, <code><a href="../../loadgen/LoadSpout.html" title="class in org.apache.storm.loadgen">LoadSpout</a></code>, <code><a href="../../trident/topology/MasterBatchCoordinator.html" title="class in org.apache.storm.trident.topology">MasterBatchCoordinator</a></code>, <code><a href="../../starter/spout/RandomIntegerSpout.html" title="class in org.apache.storm.starter.spout">RandomIntegerSpout</a></code>, <code><a href="../../starter/spout/RandomSentenceSpout.html" title="class in org.apache.storm.starter.spout">RandomSentenceSpout</a></code>, <code><a href="../../hdfs/bolt/SequenceFileTopology.SentenceSpout.html" title="class in org.apache.storm.hdfs.bolt">SequenceFileTopology.SentenceSpout</a></code>, <code><a href="../../testing/SpoutTracker.html" title="class in org.apache.storm.testing">SpoutTracker</a></code>, <code><a href="../../perf/spout/StringGenSpout.html" title="class in org.apache.storm.perf.spout">StringGenSpout</a></code>, <code><a href="../../testing/TestEventLogSpout.html" title="class in org.apache.storm.testing">TestEventLogSpout</a></code>, <code><a href="../../testing/TestPlannerSpout.html" title="class in org.apache.storm.testing">TestPlannerSpout</a></code>, <code><a href="../../testing/TestWordSpout.html" title="class in org.apache.storm.testing">TestWordSpout</a></code>, <code><a href="../../st/topology/window/TimeDataIncrementingSpout.html" title="class in org.apache.storm.st.topology.window">TimeDataIncrementingSpout</a></code>, <code><a href="../../perf/spout/WordGenSpout.html" title="class in org.apache.storm.perf.spout">WordGenSpout</a></code></dd> |
| </dl> |
| <hr> |
| <div class="type-signature"><span class="modifiers">public abstract class </span><span class="element-name type-name-label">BaseRichSpout</span> |
| <span class="extends-implements">extends <a href="BaseComponent.html" title="class in org.apache.storm.topology.base">BaseComponent</a> |
| implements <a href="../IRichSpout.html" title="interface in org.apache.storm.topology">IRichSpout</a></span></div> |
| <dl class="notes"> |
| <dt>See Also:</dt> |
| <dd> |
| <ul class="see-list"> |
| <li><a href="../../../../../serialized-form.html#org.apache.storm.topology.base.BaseRichSpout">Serialized Form</a></li> |
| </ul> |
| </dd> |
| </dl> |
| </section> |
| <section class="summary"> |
| <ul class="summary-list"> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| <li> |
| <section class="constructor-summary" id="constructor-summary"> |
| <h2>Constructor Summary</h2> |
| <div class="caption"><span>Constructors</span></div> |
| <div class="summary-table two-column-summary"> |
| <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()" class="member-name-link">BaseRichSpout</a>()</code></div> |
| <div class="col-last even-row-color"> </div> |
| </div> |
| </section> |
| </li> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <li> |
| <section class="method-summary" id="method-summary"> |
| <h2>Method Summary</h2> |
| <div id="method-summary-table"> |
| <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div> |
| <div id="method-summary-table.tabpanel" role="tabpanel"> |
| <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0"> |
| <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>void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#ack(java.lang.Object)" class="member-name-link">ack</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> msgId)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Storm has determined that the tuple emitted by this spout with the msgId identifier has been fully processed.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#activate()" class="member-name-link">activate</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Called when a spout has been activated out of a deactivated mode. nextTuple will be called on this spout soon.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#close()" class="member-name-link">close</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Called when an ISpout is going to be shutdown.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#deactivate()" class="member-name-link">deactivate</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Called when a spout has been deactivated. nextTuple will not be called while a spout is deactivated.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#fail(java.lang.Object)" class="member-name-link">fail</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> msgId)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">The tuple emitted by this spout with the msgId identifier has failed to be fully processed.</div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.storm.topology.base.BaseComponent">Methods inherited from class org.apache.storm.topology.base.<a href="BaseComponent.html" title="class in org.apache.storm.topology.base">BaseComponent</a></h3> |
| <code><a href="BaseComponent.html#getComponentConfiguration()">getComponentConfiguration</a></code></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> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.storm.topology.IComponent">Methods inherited from interface org.apache.storm.topology.<a href="../IComponent.html" title="interface in org.apache.storm.topology">IComponent</a></h3> |
| <code><a href="../IComponent.html#declareOutputFields(org.apache.storm.topology.OutputFieldsDeclarer)">declareOutputFields</a>, <a href="../IComponent.html#getComponentConfiguration()">getComponentConfiguration</a></code></div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.storm.spout.ISpout">Methods inherited from interface org.apache.storm.spout.<a href="../../spout/ISpout.html" title="interface in org.apache.storm.spout">ISpout</a></h3> |
| <code><a href="../../spout/ISpout.html#nextTuple()">nextTuple</a>, <a href="../../spout/ISpout.html#open(java.util.Map,org.apache.storm.task.TopologyContext,org.apache.storm.spout.SpoutOutputCollector)">open</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>()"> |
| <h3>BaseRichSpout</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="element-name">BaseRichSpout</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="close()"> |
| <h3>close</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">close</span>()</div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="../../spout/ISpout.html#close()">ISpout</a></code></span></div> |
| <div class="block">Called when an ISpout is going to be shutdown. There is no guarentee that close will be called, because the supervisor kill -9's |
| worker processes on the cluster. |
| |
| <p>The one context where close is guaranteed to be called is a topology is killed when running Storm in local mode.</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="../../spout/ISpout.html#close()">close</a></code> in interface <code><a href="../../spout/ISpout.html" title="interface in org.apache.storm.spout">ISpout</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="activate()"> |
| <h3>activate</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">activate</span>()</div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="../../spout/ISpout.html#activate()">ISpout</a></code></span></div> |
| <div class="block">Called when a spout has been activated out of a deactivated mode. nextTuple will be called on this spout soon. A spout can become |
| activated after having been deactivated when the topology is manipulated using the `storm` client.</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="../../spout/ISpout.html#activate()">activate</a></code> in interface <code><a href="../../spout/ISpout.html" title="interface in org.apache.storm.spout">ISpout</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="deactivate()"> |
| <h3>deactivate</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">deactivate</span>()</div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="../../spout/ISpout.html#deactivate()">ISpout</a></code></span></div> |
| <div class="block">Called when a spout has been deactivated. nextTuple will not be called while a spout is deactivated. The spout may or may not be |
| reactivated in the future.</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="../../spout/ISpout.html#deactivate()">deactivate</a></code> in interface <code><a href="../../spout/ISpout.html" title="interface in org.apache.storm.spout">ISpout</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="ack(java.lang.Object)"> |
| <h3>ack</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">ack</span><wbr><span class="parameters">(<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> msgId)</span></div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="../../spout/ISpout.html#ack(java.lang.Object)">ISpout</a></code></span></div> |
| <div class="block">Storm has determined that the tuple emitted by this spout with the msgId identifier has been fully processed. Typically, an |
| implementation of this method will take that message off the queue and prevent it from being replayed.</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="../../spout/ISpout.html#ack(java.lang.Object)">ack</a></code> in interface <code><a href="../../spout/ISpout.html" title="interface in org.apache.storm.spout">ISpout</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="fail(java.lang.Object)"> |
| <h3>fail</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">fail</span><wbr><span class="parameters">(<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> msgId)</span></div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="../../spout/ISpout.html#fail(java.lang.Object)">ISpout</a></code></span></div> |
| <div class="block">The tuple emitted by this spout with the msgId identifier has failed to be fully processed. Typically, an implementation of this |
| method will put that message back on the queue to be replayed at a later time.</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="../../spout/ISpout.html#fail(java.lang.Object)">fail</a></code> in interface <code><a href="../../spout/ISpout.html" title="interface in org.apache.storm.spout">ISpout</a></code></dd> |
| </dl> |
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