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| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">org.apache.storm.jdbc.bolt</a></div> |
| <h1 title="Class AbstractJdbcBolt" class="title">Class AbstractJdbcBolt</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.jdbc.bolt.AbstractJdbcBolt</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> |
| <dl class="notes"> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><code><a href="JdbcInsertBolt.html" title="class in org.apache.storm.jdbc.bolt">JdbcInsertBolt</a></code>, <code><a href="JdbcLookupBolt.html" title="class in org.apache.storm.jdbc.bolt">JdbcLookupBolt</a></code></dd> |
| </dl> |
| <hr> |
| <div class="type-signature"><span class="modifiers">public abstract class </span><span class="element-name type-name-label">AbstractJdbcBolt</span> |
| <span class="extends-implements">extends <a href="../../topology/base/BaseTickTupleAwareRichBolt.html" title="class in org.apache.storm.topology.base">BaseTickTupleAwareRichBolt</a></span></div> |
| <dl class="notes"> |
| <dt>See Also:</dt> |
| <dd> |
| <ul class="see-list"> |
| <li><a href="../../../../../serialized-form.html#org.apache.storm.jdbc.bolt.AbstractJdbcBolt">Serialized Form</a></li> |
| </ul> |
| </dd> |
| </dl> |
| </section> |
| <section class="summary"> |
| <ul class="summary-list"> |
| <!-- =========== FIELD SUMMARY =========== --> |
| <li> |
| <section class="field-summary" id="field-summary"> |
| <h2>Field Summary</h2> |
| <div class="caption"><span>Fields</span></div> |
| <div class="summary-table three-column-summary"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Field</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color"><code>protected <a href="../../task/OutputCollector.html" title="class in org.apache.storm.task">OutputCollector</a></code></div> |
| <div class="col-second even-row-color"><code><a href="#collector" class="member-name-link">collector</a></code></div> |
| <div class="col-last even-row-color"> </div> |
| <div class="col-first odd-row-color"><code>protected <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></code></div> |
| <div class="col-second odd-row-color"><code><a href="#configKey" class="member-name-link">configKey</a></code></div> |
| <div class="col-last odd-row-color"> </div> |
| <div class="col-first even-row-color"><code>protected <a href="../common/ConnectionProvider.html" title="interface in org.apache.storm.jdbc.common">ConnectionProvider</a></code></div> |
| <div class="col-second even-row-color"><code><a href="#connectionProvider" class="member-name-link">connectionProvider</a></code></div> |
| <div class="col-last even-row-color"> </div> |
| <div class="col-first odd-row-color"><code>protected <a href="../common/JdbcClient.html" title="class in org.apache.storm.jdbc.common">JdbcClient</a></code></div> |
| <div class="col-second odd-row-color"><code><a href="#jdbcClient" class="member-name-link">jdbcClient</a></code></div> |
| <div class="col-last odd-row-color"> </div> |
| <div class="col-first even-row-color"><code>protected <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Integer.html" title="class or interface in java.lang" class="external-link">Integer</a></code></div> |
| <div class="col-second even-row-color"><code><a href="#queryTimeoutSecs" class="member-name-link">queryTimeoutSecs</a></code></div> |
| <div class="col-last even-row-color"> </div> |
| </div> |
| </section> |
| </li> |
| <!-- ======== 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(org.apache.storm.jdbc.common.ConnectionProvider)" class="member-name-link">AbstractJdbcBolt</a><wbr>(<a href="../common/ConnectionProvider.html" title="interface in org.apache.storm.jdbc.common">ConnectionProvider</a> connectionProviderParam)</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Constructor.</div> |
| </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">Cleanup.</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="#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>> map, |
| <a href="../../task/TopologyContext.html" title="class in org.apache.storm.task">TopologyContext</a> topologyContext, |
| <a href="../../task/OutputCollector.html" title="class in org.apache.storm.task">OutputCollector</a> outputCollector)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Subclasses should call this to ensure output collector and connection |
| provider are set up, and finally jdbcClient is initialized properly.</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>, <a href="../../topology/base/BaseTickTupleAwareRichBolt.html#process(org.apache.storm.tuple.Tuple)">process</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#declareOutputFields(org.apache.storm.topology.OutputFieldsDeclarer)">declareOutputFields</a>, <a href="../../topology/IComponent.html#getComponentConfiguration()">getComponentConfiguration</a></code></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="details-list"> |
| <!-- ============ FIELD DETAIL =========== --> |
| <li> |
| <section class="field-details" id="field-detail"> |
| <h2>Field Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="collector"> |
| <h3>collector</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type"><a href="../../task/OutputCollector.html" title="class in org.apache.storm.task">OutputCollector</a></span> <span class="element-name">collector</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="jdbcClient"> |
| <h3>jdbcClient</h3> |
| <div class="member-signature"><span class="modifiers">protected transient</span> <span class="return-type"><a href="../common/JdbcClient.html" title="class in org.apache.storm.jdbc.common">JdbcClient</a></span> <span class="element-name">jdbcClient</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="configKey"> |
| <h3>configKey</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type"><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></span> <span class="element-name">configKey</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="queryTimeoutSecs"> |
| <h3>queryTimeoutSecs</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Integer.html" title="class or interface in java.lang" class="external-link">Integer</a></span> <span class="element-name">queryTimeoutSecs</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="connectionProvider"> |
| <h3>connectionProvider</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type"><a href="../common/ConnectionProvider.html" title="interface in org.apache.storm.jdbc.common">ConnectionProvider</a></span> <span class="element-name">connectionProvider</span></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ========= 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.jdbc.common.ConnectionProvider)"> |
| <h3>AbstractJdbcBolt</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="element-name">AbstractJdbcBolt</span><wbr><span class="parameters">(<a href="../common/ConnectionProvider.html" title="interface in org.apache.storm.jdbc.common">ConnectionProvider</a> connectionProviderParam)</span></div> |
| <div class="block">Constructor. |
| <p/></div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>connectionProviderParam</code> - database connection provider</dd> |
| </dl> |
| </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="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>> map, |
| <a href="../../task/TopologyContext.html" title="class in org.apache.storm.task">TopologyContext</a> topologyContext, |
| <a href="../../task/OutputCollector.html" title="class in org.apache.storm.task">OutputCollector</a> outputCollector)</span></div> |
| <div class="block">Subclasses should call this to ensure output collector and connection |
| provider are set up, and finally jdbcClient is initialized properly. |
| <p/> |
| Called when a task for this component is initialized within a worker on the cluster. It provides the bolt with the environment in |
| which the bolt executes. |
| |
| <p>This includes the:</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>map</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>topologyContext</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>outputCollector</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> |
| <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">Cleanup. |
| <p/> |
| Subclasses should call this to ensure connection provider can be |
| also cleaned up.</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> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </section> |
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