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| <li>Summary: </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.jms.bolt</a></div> |
| <h1 title="Class JmsBolt" class="title">Class JmsBolt</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="../../topology/base/BaseComponent.html" title="class in org.apache.storm.topology.base">org.apache.storm.topology.base.BaseComponent</a> |
| <div class="inheritance"><a href="../../topology/base/BaseRichBolt.html" title="class in org.apache.storm.topology.base">org.apache.storm.topology.base.BaseRichBolt</a> |
| <div class="inheritance"><a href="../../topology/base/BaseTickTupleAwareRichBolt.html" title="class in org.apache.storm.topology.base">org.apache.storm.topology.base.BaseTickTupleAwareRichBolt</a> |
| <div class="inheritance">org.apache.storm.jms.bolt.JmsBolt</div> |
| </div> |
| </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="../../task/IBolt.html" title="interface in org.apache.storm.task">IBolt</a></code>, <code><a href="../../topology/IComponent.html" title="interface in org.apache.storm.topology">IComponent</a></code>, <code><a href="../../topology/IRichBolt.html" title="interface in org.apache.storm.topology">IRichBolt</a></code></dd> |
| </dl> |
| <hr> |
| <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">JmsBolt</span> |
| <span class="extends-implements">extends <a href="../../topology/base/BaseTickTupleAwareRichBolt.html" title="class in org.apache.storm.topology.base">BaseTickTupleAwareRichBolt</a></span></div> |
| <div class="block">A JmsBolt receives <code>org.apache.storm.tuple.Tuple</code> objects from a Storm |
| topology and publishes JMS Messages to a destination (topic or queue). |
| |
| <p>To use a JmsBolt in a topology, the following must be supplied: |
| <ol> |
| <li>A <code>JmsProvider</code> implementation.</li> |
| <li>A <code>JmsMessageProducer</code> implementation.</li> |
| </ol> |
| The <code>JmsProvider</code> provides the JMS <code>javax.jms.ConnectionFactory</code> |
| and <code>javax.jms.Destination</code> objects requied to publish JMS messages. |
| |
| <p>The JmsBolt uses a <code>JmsMessageProducer</code> to translate |
| <code>org.apache.storm.tuple.Tuple</code> objects into |
| <code>javax.jms.Message</code> objects for publishing. |
| |
| <p>Both JmsProvider and JmsMessageProducer must be set, or the bolt will |
| fail upon deployment to a cluster. |
| |
| <p>The JmsBolt is typically an endpoint in a topology -- in other words |
| it does not emit any tuples.</div> |
| <dl class="notes"> |
| <dt>See Also:</dt> |
| <dd> |
| <ul class="see-list"> |
| <li><a href="../../../../../serialized-form.html#org.apache.storm.jms.bolt.JmsBolt">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">JmsBolt</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="#cleanup()" class="member-name-link">cleanup</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Releases JMS resources.</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="#declareOutputFields(org.apache.storm.topology.OutputFieldsDeclarer)" class="member-name-link">declareOutputFields</a><wbr>(<a href="../../topology/OutputFieldsDeclarer.html" title="interface in org.apache.storm.topology">OutputFieldsDeclarer</a> declarer)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Declare the output schema for all the streams of this topology.</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="#prepare(java.util.Map,org.apache.storm.task.TopologyContext,org.apache.storm.task.OutputCollector)" class="member-name-link">prepare</a><wbr>(<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>> topoConf, |
| <a href="../../task/TopologyContext.html" title="class in org.apache.storm.task">TopologyContext</a> context, |
| <a href="../../task/OutputCollector.html" title="class in org.apache.storm.task">OutputCollector</a> collector)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Initializes JMS resources.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>protected void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#process(org.apache.storm.tuple.Tuple)" class="member-name-link">process</a><wbr>(<a href="../../tuple/Tuple.html" title="interface in org.apache.storm.tuple">Tuple</a> input)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Consumes a tuple and sends a JMS message.</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="#setAutoAck(boolean)" class="member-name-link">setAutoAck</a><wbr>(boolean autoAck)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Sets whether or not tuples should be acknowledged by this |
| bolt.</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="#setJmsAcknowledgeMode(int)" class="member-name-link">setJmsAcknowledgeMode</a><wbr>(int acknowledgeMode)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Sets the JMS acknowledgement mode for JMS messages sent |
| by this bolt.</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="#setJmsMessageProducer(org.apache.storm.jms.JmsMessageProducer)" class="member-name-link">setJmsMessageProducer</a><wbr>(<a href="../JmsMessageProducer.html" title="interface in org.apache.storm.jms">JmsMessageProducer</a> producer)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Set the JmsMessageProducer used to convert tuples |
| into JMS messages.</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="#setJmsProvider(org.apache.storm.jms.JmsProvider)" class="member-name-link">setJmsProvider</a><wbr>(<a href="../JmsProvider.html" title="interface in org.apache.storm.jms">JmsProvider</a> provider)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Set the JmsProvider used to connect to the JMS destination topic/queue.</div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.storm.topology.base.BaseTickTupleAwareRichBolt">Methods inherited from class org.apache.storm.topology.base.<a href="../../topology/base/BaseTickTupleAwareRichBolt.html" title="class in org.apache.storm.topology.base">BaseTickTupleAwareRichBolt</a></h3> |
| <code><a href="../../topology/base/BaseTickTupleAwareRichBolt.html#execute(org.apache.storm.tuple.Tuple)">execute</a>, <a href="../../topology/base/BaseTickTupleAwareRichBolt.html#onTickTuple(org.apache.storm.tuple.Tuple)">onTickTuple</a></code></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="../../topology/base/BaseComponent.html" title="class in org.apache.storm.topology.base">BaseComponent</a></h3> |
| <code><a href="../../topology/base/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="../../topology/IComponent.html" title="interface in org.apache.storm.topology">IComponent</a></h3> |
| <code><a href="../../topology/IComponent.html#getComponentConfiguration()">getComponentConfiguration</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>JmsBolt</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="element-name">JmsBolt</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="setJmsProvider(org.apache.storm.jms.JmsProvider)"> |
| <h3>setJmsProvider</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">setJmsProvider</span><wbr><span class="parameters">(<a href="../JmsProvider.html" title="interface in org.apache.storm.jms">JmsProvider</a> provider)</span></div> |
| <div class="block">Set the JmsProvider used to connect to the JMS destination topic/queue.</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="setJmsMessageProducer(org.apache.storm.jms.JmsMessageProducer)"> |
| <h3>setJmsMessageProducer</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">setJmsMessageProducer</span><wbr><span class="parameters">(<a href="../JmsMessageProducer.html" title="interface in org.apache.storm.jms">JmsMessageProducer</a> producer)</span></div> |
| <div class="block">Set the JmsMessageProducer used to convert tuples |
| into JMS messages.</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="setJmsAcknowledgeMode(int)"> |
| <h3>setJmsAcknowledgeMode</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">setJmsAcknowledgeMode</span><wbr><span class="parameters">(int acknowledgeMode)</span></div> |
| <div class="block">Sets the JMS acknowledgement mode for JMS messages sent |
| by this bolt. |
| |
| <p>Possible values: |
| <ul> |
| <li>javax.jms.Session.AUTO_ACKNOWLEDGE</li> |
| <li>javax.jms.Session.CLIENT_ACKNOWLEDGE</li> |
| <li>javax.jms.Session.DUPS_OK_ACKNOWLEDGE</li> |
| </ul></div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>acknowledgeMode</code> - (constant defined in javax.jms.Session)</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="setAutoAck(boolean)"> |
| <h3>setAutoAck</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">setAutoAck</span><wbr><span class="parameters">(boolean autoAck)</span></div> |
| <div class="block">Sets whether or not tuples should be acknowledged by this |
| bolt.</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="process(org.apache.storm.tuple.Tuple)"> |
| <h3>process</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type">void</span> <span class="element-name">process</span><wbr><span class="parameters">(<a href="../../tuple/Tuple.html" title="interface in org.apache.storm.tuple">Tuple</a> input)</span></div> |
| <div class="block">Consumes a tuple and sends a JMS message. |
| |
| <p>If autoAck is true, the tuple will be acknowledged |
| after the message is sent. |
| |
| <p>If JMS sending fails, the tuple will be failed.</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="../../topology/base/BaseTickTupleAwareRichBolt.html#process(org.apache.storm.tuple.Tuple)">process</a></code> in class <code><a href="../../topology/base/BaseTickTupleAwareRichBolt.html" title="class in org.apache.storm.topology.base">BaseTickTupleAwareRichBolt</a></code></dd> |
| <dt>Parameters:</dt> |
| <dd><code>input</code> - The input tuple to be processed.</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="cleanup()"> |
| <h3>cleanup</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">cleanup</span>()</div> |
| <div class="block">Releases JMS resources.</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="../../task/IBolt.html#cleanup()">cleanup</a></code> in interface <code><a href="../../task/IBolt.html" title="interface in org.apache.storm.task">IBolt</a></code></dd> |
| <dt>Overrides:</dt> |
| <dd><code><a href="../../topology/base/BaseRichBolt.html#cleanup()">cleanup</a></code> in class <code><a href="../../topology/base/BaseRichBolt.html" title="class in org.apache.storm.topology.base">BaseRichBolt</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="declareOutputFields(org.apache.storm.topology.OutputFieldsDeclarer)"> |
| <h3>declareOutputFields</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">declareOutputFields</span><wbr><span class="parameters">(<a href="../../topology/OutputFieldsDeclarer.html" title="interface in org.apache.storm.topology">OutputFieldsDeclarer</a> declarer)</span></div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="../../topology/IComponent.html#declareOutputFields(org.apache.storm.topology.OutputFieldsDeclarer)">IComponent</a></code></span></div> |
| <div class="block">Declare the output schema for all the streams of this topology.</div> |
| <dl class="notes"> |
| <dt>Parameters:</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> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="prepare(java.util.Map,org.apache.storm.task.TopologyContext,org.apache.storm.task.OutputCollector)"> |
| <h3>prepare</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">prepare</span><wbr><span class="parameters">(<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>> topoConf, |
| <a href="../../task/TopologyContext.html" title="class in org.apache.storm.task">TopologyContext</a> context, |
| <a href="../../task/OutputCollector.html" title="class in org.apache.storm.task">OutputCollector</a> collector)</span></div> |
| <div class="block">Initializes JMS resources.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>topoConf</code> - The Storm configuration for this bolt. This is the configuration provided to the topology merged in with cluster |
| configuration on this machine.</dd> |
| <dd><code>context</code> - This object can be used to get information about this task's place within the topology, including the task id and |
| component id of this task, input and output information, etc.</dd> |
| <dd><code>collector</code> - The collector is used to emit tuples from this bolt. Tuples can be emitted at any time, including the prepare and |
| cleanup methods. The collector is thread-safe and should be saved as an instance variable of this bolt object.</dd> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </section> |
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