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| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">org.apache.storm.kafka.spout</a></div> |
| <h1 title="Enum FirstPollOffsetStrategy" class="title">Enum FirstPollOffsetStrategy</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="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Enum.html" title="class or interface in java.lang" class="external-link">java.lang.Enum</a><<a href="FirstPollOffsetStrategy.html" title="enum in org.apache.storm.kafka.spout">FirstPollOffsetStrategy</a>> |
| <div class="inheritance">org.apache.storm.kafka.spout.FirstPollOffsetStrategy</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="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Comparable.html" title="class or interface in java.lang" class="external-link">Comparable</a><<a href="FirstPollOffsetStrategy.html" title="enum in org.apache.storm.kafka.spout">FirstPollOffsetStrategy</a>></code>, <code>java.lang.constant.Constable</code></dd> |
| </dl> |
| <hr> |
| <div class="type-signature"><span class="modifiers">public enum </span><span class="element-name type-name-label">FirstPollOffsetStrategy</span> |
| <span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Enum.html" title="class or interface in java.lang" class="external-link">Enum</a><<a href="FirstPollOffsetStrategy.html" title="enum in org.apache.storm.kafka.spout">FirstPollOffsetStrategy</a>></span></div> |
| <div class="block">Defines how the spout seeks the offset to be used in the first poll to Kafka upon topology deployment. By default this parameter is set |
| to UNCOMMITTED_EARLIEST.</div> |
| </section> |
| <section class="summary"> |
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| <h2>Nested Class Summary</h2> |
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| <h2 id="nested-classes-inherited-from-class-java.lang.Enum">Nested classes/interfaces inherited from class java.lang.<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Enum.html" title="class or interface in java.lang" class="external-link">Enum</a></h2> |
| <code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Enum.EnumDesc.html" title="class or interface in java.lang" class="external-link">Enum.EnumDesc</a><<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Enum.EnumDesc.html" title="class or interface in java.lang" class="external-link">E</a> extends <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Enum.html" title="class or interface in java.lang" class="external-link">Enum</a><<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Enum.EnumDesc.html" title="class or interface in java.lang" class="external-link">E</a>>></code></div> |
| </section> |
| </li> |
| <!-- =========== ENUM CONSTANT SUMMARY =========== --> |
| <li> |
| <section class="constants-summary" id="enum-constant-summary"> |
| <h2>Enum Constant Summary</h2> |
| <div class="caption"><span>Enum Constants</span></div> |
| <div class="summary-table two-column-summary"> |
| <div class="table-header col-first">Enum Constant</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color"><code><a href="#EARLIEST" class="member-name-link">EARLIEST</a></code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">The kafka spout polls records starting in the first offset of the partition, regardless of previous commits.</div> |
| </div> |
| <div class="col-first odd-row-color"><code><a href="#LATEST" class="member-name-link">LATEST</a></code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">The kafka spout polls records starting at the end of the partition, regardless of previous commits.</div> |
| </div> |
| <div class="col-first even-row-color"><code><a href="#TIMESTAMP" class="member-name-link">TIMESTAMP</a></code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">The kafka spout polls records starting at the earliest offset whose timestamp is greater than or equal to the given startTimestamp.</div> |
| </div> |
| <div class="col-first odd-row-color"><code><a href="#UNCOMMITTED_EARLIEST" class="member-name-link">UNCOMMITTED_EARLIEST</a></code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">The kafka spout polls records from the last committed offset, if any.</div> |
| </div> |
| <div class="col-first even-row-color"><code><a href="#UNCOMMITTED_LATEST" class="member-name-link">UNCOMMITTED_LATEST</a></code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">The kafka spout polls records from the last committed offset, if any.</div> |
| </div> |
| <div class="col-first odd-row-color"><code><a href="#UNCOMMITTED_TIMESTAMP" class="member-name-link">UNCOMMITTED_TIMESTAMP</a></code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">The kafka spout polls records from the last committed offset, if any.</div> |
| </div> |
| </div> |
| </section> |
| </li> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <li> |
| <section class="method-summary" id="method-summary"> |
| <h2>Method Summary</h2> |
| <div id="method-summary-table"> |
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| <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-tab1 method-summary-table-tab4"><code>static <a href="FirstPollOffsetStrategy.html" title="enum in org.apache.storm.kafka.spout">FirstPollOffsetStrategy</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#valueOf(java.lang.String)" class="member-name-link">valueOf</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> name)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Returns the enum constant of this type with the specified name.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="FirstPollOffsetStrategy.html" title="enum in org.apache.storm.kafka.spout">FirstPollOffsetStrategy</a>[]</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#values()" class="member-name-link">values</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Returns an array containing the constants of this enum type, in |
| the order they are declared.</div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-java.lang.Enum">Methods inherited from class java.lang.<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Enum.html" title="class or interface in java.lang" class="external-link">Enum</a></h3> |
| <code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Enum.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/Enum.html#compareTo(E)" title="class or interface in java.lang" class="external-link">compareTo</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Enum.html#describeConstable()" title="class or interface in java.lang" class="external-link">describeConstable</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Enum.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/Enum.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/Enum.html#getDeclaringClass()" title="class or interface in java.lang" class="external-link">getDeclaringClass</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Enum.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/Enum.html#name()" title="class or interface in java.lang" class="external-link">name</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Enum.html#ordinal()" title="class or interface in java.lang" class="external-link">ordinal</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Enum.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/Enum.html#valueOf(java.lang.Class,java.lang.String)" title="class or interface in java.lang" class="external-link">valueOf</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#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#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#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"> |
| <!-- ============ ENUM CONSTANT DETAIL =========== --> |
| <li> |
| <section class="constant-details" id="enum-constant-detail"> |
| <h2>Enum Constant Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="EARLIEST"> |
| <h3>EARLIEST</h3> |
| <div class="member-signature"><span class="modifiers">public static final</span> <span class="return-type"><a href="FirstPollOffsetStrategy.html" title="enum in org.apache.storm.kafka.spout">FirstPollOffsetStrategy</a></span> <span class="element-name">EARLIEST</span></div> |
| <div class="block">The kafka spout polls records starting in the first offset of the partition, regardless of previous commits. This setting only takes |
| effect on topology deployment</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="LATEST"> |
| <h3>LATEST</h3> |
| <div class="member-signature"><span class="modifiers">public static final</span> <span class="return-type"><a href="FirstPollOffsetStrategy.html" title="enum in org.apache.storm.kafka.spout">FirstPollOffsetStrategy</a></span> <span class="element-name">LATEST</span></div> |
| <div class="block">The kafka spout polls records starting at the end of the partition, regardless of previous commits. This setting only takes effect on |
| topology deployment</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="TIMESTAMP"> |
| <h3>TIMESTAMP</h3> |
| <div class="member-signature"><span class="modifiers">public static final</span> <span class="return-type"><a href="FirstPollOffsetStrategy.html" title="enum in org.apache.storm.kafka.spout">FirstPollOffsetStrategy</a></span> <span class="element-name">TIMESTAMP</span></div> |
| <div class="block">The kafka spout polls records starting at the earliest offset whose timestamp is greater than or equal to the given startTimestamp. |
| This setting only takes effect on topology deployment. This option is currently available only for the Trident Spout</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="UNCOMMITTED_EARLIEST"> |
| <h3>UNCOMMITTED_EARLIEST</h3> |
| <div class="member-signature"><span class="modifiers">public static final</span> <span class="return-type"><a href="FirstPollOffsetStrategy.html" title="enum in org.apache.storm.kafka.spout">FirstPollOffsetStrategy</a></span> <span class="element-name">UNCOMMITTED_EARLIEST</span></div> |
| <div class="block">The kafka spout polls records from the last committed offset, if any. If no offset has been committed it behaves as EARLIEST</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="UNCOMMITTED_LATEST"> |
| <h3>UNCOMMITTED_LATEST</h3> |
| <div class="member-signature"><span class="modifiers">public static final</span> <span class="return-type"><a href="FirstPollOffsetStrategy.html" title="enum in org.apache.storm.kafka.spout">FirstPollOffsetStrategy</a></span> <span class="element-name">UNCOMMITTED_LATEST</span></div> |
| <div class="block">The kafka spout polls records from the last committed offset, if any. If no offset has been committed it behaves as LATEST</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="UNCOMMITTED_TIMESTAMP"> |
| <h3>UNCOMMITTED_TIMESTAMP</h3> |
| <div class="member-signature"><span class="modifiers">public static final</span> <span class="return-type"><a href="FirstPollOffsetStrategy.html" title="enum in org.apache.storm.kafka.spout">FirstPollOffsetStrategy</a></span> <span class="element-name">UNCOMMITTED_TIMESTAMP</span></div> |
| <div class="block">The kafka spout polls records from the last committed offset, if any. If no offset has been committed it behaves as TIMESTAMP. |
| This option is currently available only for the Trident Spout</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="values()"> |
| <h3>values</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type"><a href="FirstPollOffsetStrategy.html" title="enum in org.apache.storm.kafka.spout">FirstPollOffsetStrategy</a>[]</span> <span class="element-name">values</span>()</div> |
| <div class="block">Returns an array containing the constants of this enum type, in |
| the order they are declared.</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>an array containing the constants of this enum type, in the order they are declared</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="valueOf(java.lang.String)"> |
| <h3>valueOf</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type"><a href="FirstPollOffsetStrategy.html" title="enum in org.apache.storm.kafka.spout">FirstPollOffsetStrategy</a></span> <span class="element-name">valueOf</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> name)</span></div> |
| <div class="block">Returns the enum constant of this type with the specified name. |
| The string must match <i>exactly</i> an identifier used to declare an |
| enum constant in this type. (Extraneous whitespace characters are |
| not permitted.)</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>name</code> - the name of the enum constant to be returned.</dd> |
| <dt>Returns:</dt> |
| <dd>the enum constant with the specified name</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/IllegalArgumentException.html" title="class or interface in java.lang" class="external-link">IllegalArgumentException</a></code> - if this enum type has no constant with the specified name</dd> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/NullPointerException.html" title="class or interface in java.lang" class="external-link">NullPointerException</a></code> - if the argument is null</dd> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
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