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<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">org.apache.storm.hdfs.bolt.format</a></div>
<h1 title="Interface SequenceFormat" class="title">Interface SequenceFormat</h1>
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<section class="class-description" id="class-description">
<dl class="notes">
<dt>All Superinterfaces:</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></dd>
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<dt>All Known Implementing Classes:</dt>
<dd><code><a href="DefaultSequenceFormat.html" title="class in org.apache.storm.hdfs.bolt.format">DefaultSequenceFormat</a></code></dd>
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<div class="type-signature"><span class="modifiers">public interface </span><span class="element-name type-name-label">SequenceFormat</span><span class="extends-implements">
extends <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></span></div>
<div class="block">Interface for converting <code>Tuple</code> objects to HDFS sequence file key-value pairs.</div>
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<ul class="summary-list">
<!-- ========== METHOD SUMMARY =========== -->
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<h2>Method Summary</h2>
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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-tab3"><code><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-tab3"><code><a href="#key(org.apache.storm.tuple.Tuple)" class="member-name-link">key</a><wbr>(<a href="../../../tuple/Tuple.html" title="interface in org.apache.storm.tuple">Tuple</a>&nbsp;tuple)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Given a tuple, return the key that should be written to the sequence file.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#keyClass()" class="member-name-link">keyClass</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Key class used by implementation (e.g.</div>
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<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><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-tab3"><code><a href="#value(org.apache.storm.tuple.Tuple)" class="member-name-link">value</a><wbr>(<a href="../../../tuple/Tuple.html" title="interface in org.apache.storm.tuple">Tuple</a>&nbsp;tuple)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Given a tuple, return the value that should be written to the sequence file.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a></code></div>
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<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Value class used by implementation (e.g.</div>
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<h3>keyClass</h3>
<div class="member-signature"><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a></span>&nbsp;<span class="element-name">keyClass</span>()</div>
<div class="block">Key class used by implementation (e.g. IntWritable.class, etc.).</div>
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<section class="detail" id="valueClass()">
<h3>valueClass</h3>
<div class="member-signature"><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a></span>&nbsp;<span class="element-name">valueClass</span>()</div>
<div class="block">Value class used by implementation (e.g. Text.class, etc.).</div>
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<section class="detail" id="key(org.apache.storm.tuple.Tuple)">
<h3>key</h3>
<div class="member-signature"><span class="return-type"><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>&nbsp;<span class="element-name">key</span><wbr><span class="parameters">(<a href="../../../tuple/Tuple.html" title="interface in org.apache.storm.tuple">Tuple</a>&nbsp;tuple)</span></div>
<div class="block">Given a tuple, return the key that should be written to the sequence file.</div>
</section>
</li>
<li>
<section class="detail" id="value(org.apache.storm.tuple.Tuple)">
<h3>value</h3>
<div class="member-signature"><span class="return-type"><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>&nbsp;<span class="element-name">value</span><wbr><span class="parameters">(<a href="../../../tuple/Tuple.html" title="interface in org.apache.storm.tuple">Tuple</a>&nbsp;tuple)</span></div>
<div class="block">Given a tuple, return the value that should be written to the sequence file.</div>
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