Google Git
Sign in
apache / storm-site / refs/heads/asf-site / . / content / releases / current / javadocs / org / apache / storm / sql / kafka / RecordTranslatorSchemeAdapter.html
blob: 4a52beb158656fcf1bb093a7c57673e150bd0701 [file] [log] [blame]
<!DOCTYPE HTML>
<html lang="de">
<head>
<!-- Generated by javadoc (17) -->
<title>RecordTranslatorSchemeAdapter (Storm 2.6.2 API)</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta name="description" content="declaration: package: org.apache.storm.sql.kafka, class: RecordTranslatorSchemeAdapter">
<meta name="generator" content="javadoc/ClassWriterImpl">
<link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style">
<link rel="stylesheet" type="text/css" href="../../../../../script-dir/jquery-ui.min.css" title="Style">
<link rel="stylesheet" type="text/css" href="../../../../../jquery-ui.overrides.css" title="Style">
<script type="text/javascript" src="../../../../../script.js"></script>
<script type="text/javascript" src="../../../../../script-dir/jquery-3.6.1.min.js"></script>
<script type="text/javascript" src="../../../../../script-dir/jquery-ui.min.js"></script>
</head>
<body class="class-declaration-page">
<script type="text/javascript">var evenRowColor = "even-row-color";
var oddRowColor = "odd-row-color";
var tableTab = "table-tab";
var activeTableTab = "active-table-tab";
var pathtoroot = "../../../../../";
loadScripts(document, 'script');</script>
<noscript>
<div>JavaScript is disabled on your browser.</div>
</noscript>
<div class="flex-box">
<header role="banner" class="flex-header">
<nav role="navigation">
<!-- ========= START OF TOP NAVBAR ======= -->
<div class="top-nav" id="navbar-top">
<div class="skip-nav"><a href="#skip-navbar-top" title="Skip navigation links">Skip navigation links</a></div>
<ul id="navbar-top-firstrow" class="nav-list" title="Navigation">
<li><a href="../../../../../index.html">Overview</a></li>
<li><a href="package-summary.html">Package</a></li>
<li class="nav-bar-cell1-rev">Class</li>
<li><a href="class-use/RecordTranslatorSchemeAdapter.html">Use</a></li>
<li><a href="package-tree.html">Tree</a></li>
<li><a href="../../../../../deprecated-list.html">Deprecated</a></li>
<li><a href="../../../../../index-all.html">Index</a></li>
<li><a href="../../../../../help-doc.html#class">Help</a></li>
</ul>
</div>
<div class="sub-nav">
<div>
<ul class="sub-nav-list">
<li>Summary:&nbsp;</li>
<li>Nested&nbsp;|&nbsp;</li>
<li><a href="#field-summary">Field</a>&nbsp;|&nbsp;</li>
<li><a href="#constructor-summary">Constr</a>&nbsp;|&nbsp;</li>
<li><a href="#method-summary">Method</a></li>
</ul>
<ul class="sub-nav-list">
<li>Detail:&nbsp;</li>
<li>Field&nbsp;|&nbsp;</li>
<li><a href="#constructor-detail">Constr</a>&nbsp;|&nbsp;</li>
<li><a href="#method-detail">Method</a></li>
</ul>
</div>
<div class="nav-list-search"><label for="search-input">SEARCH:</label>
<input type="text" id="search-input" value="search" disabled="disabled">
<input type="reset" id="reset-button" value="reset" disabled="disabled">
</div>
</div>
<!-- ========= END OF TOP NAVBAR ========= -->
<span class="skip-nav" id="skip-navbar-top"></span></nav>
</header>
<div class="flex-content">
<main role="main">
<!-- ======== START OF CLASS DATA ======== -->
<div class="header">
<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">org.apache.storm.sql.kafka</a></div>
<h1 title="Class RecordTranslatorSchemeAdapter" class="title">Class RecordTranslatorSchemeAdapter</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">org.apache.storm.sql.kafka.RecordTranslatorSchemeAdapter</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="../../kafka/spout/Func.html" title="interface in org.apache.storm.kafka.spout">Func</a>&lt;org.apache.kafka.clients.consumer.ConsumerRecord&lt;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&gt;,<wbr><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<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>&gt;&gt;</code>, <code><a href="../../kafka/spout/RecordTranslator.html" title="interface in org.apache.storm.kafka.spout">RecordTranslator</a>&lt;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&gt;</code></dd>
</dl>
<hr>
<div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">RecordTranslatorSchemeAdapter</span>
<span class="extends-implements">extends <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>
implements <a href="../../kafka/spout/RecordTranslator.html" title="interface in org.apache.storm.kafka.spout">RecordTranslator</a>&lt;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&gt;</span></div>
<div class="block">RecordTranslator that delegates to a Scheme.</div>
<dl class="notes">
<dt>See Also:</dt>
<dd>
<ul class="see-list">
<li><a href="../../../../../serialized-form.html#org.apache.storm.sql.kafka.RecordTranslatorSchemeAdapter">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="inherited-list">
<h3 id="fields-inherited-from-class-org.apache.storm.kafka.spout.RecordTranslator">Fields inherited from interface&nbsp;org.apache.storm.kafka.spout.<a href="../../kafka/spout/RecordTranslator.html" title="interface in org.apache.storm.kafka.spout">RecordTranslator</a></h3>
<code><a href="../../kafka/spout/RecordTranslator.html#DEFAULT_STREAM">DEFAULT_STREAM</a></code></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.spout.Scheme)" class="member-name-link">RecordTranslatorSchemeAdapter</a><wbr>(<a href="../../spout/Scheme.html" title="interface in org.apache.storm.spout">Scheme</a>&nbsp;delegate)</code></div>
<div class="col-last even-row-color">&nbsp;</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><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<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>&gt;</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#apply(org.apache.kafka.clients.consumer.ConsumerRecord)" class="member-name-link">apply</a><wbr>(org.apache.kafka.clients.consumer.ConsumerRecord&lt;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&gt;&nbsp;record)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Translate the ConsumerRecord into a list of objects that can be emitted.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../../tuple/Fields.html" title="class in org.apache.storm.tuple">Fields</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getFieldsFor(java.lang.String)" class="member-name-link">getFieldsFor</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>&nbsp;stream)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Get the fields associated with a stream.</div>
</div>
</div>
</div>
</div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;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.kafka.spout.RecordTranslator">Methods inherited from interface&nbsp;org.apache.storm.kafka.spout.<a href="../../kafka/spout/RecordTranslator.html" title="interface in org.apache.storm.kafka.spout">RecordTranslator</a></h3>
<code><a href="../../kafka/spout/RecordTranslator.html#streams()">streams</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="&lt;init&gt;(org.apache.storm.spout.Scheme)">
<h3>RecordTranslatorSchemeAdapter</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">RecordTranslatorSchemeAdapter</span><wbr><span class="parameters">(<a href="../../spout/Scheme.html" title="interface in org.apache.storm.spout">Scheme</a>&nbsp;delegate)</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="apply(org.apache.kafka.clients.consumer.ConsumerRecord)">
<h3>apply</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<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>&gt;</span>&nbsp;<span class="element-name">apply</span><wbr><span class="parameters">(org.apache.kafka.clients.consumer.ConsumerRecord&lt;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&gt;&nbsp;record)</span></div>
<div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="../../kafka/spout/RecordTranslator.html#apply(org.apache.kafka.clients.consumer.ConsumerRecord)">RecordTranslator</a></code></span></div>
<div class="block">Translate the ConsumerRecord into a list of objects that can be emitted.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../../kafka/spout/Func.html#apply(V)">apply</a></code>&nbsp;in interface&nbsp;<code><a href="../../kafka/spout/Func.html" title="interface in org.apache.storm.kafka.spout">Func</a>&lt;org.apache.kafka.clients.consumer.ConsumerRecord&lt;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&gt;,<wbr><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<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>&gt;&gt;</code></dd>
<dt>Specified by:</dt>
<dd><code><a href="../../kafka/spout/RecordTranslator.html#apply(org.apache.kafka.clients.consumer.ConsumerRecord)">apply</a></code>&nbsp;in interface&nbsp;<code><a href="../../kafka/spout/RecordTranslator.html" title="interface in org.apache.storm.kafka.spout">RecordTranslator</a>&lt;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&gt;</code></dd>
<dt>Parameters:</dt>
<dd><code>record</code> - the record to translate</dd>
<dt>Returns:</dt>
<dd>the objects in the tuple. Return a <a href="../../kafka/spout/KafkaTuple.html" title="class in org.apache.storm.kafka.spout"><code>KafkaTuple</code></a>
if you want to route the tuple to a non-default stream.
Return <code>null</code> to discard an invalid <code>ConsumerRecord</code>
if <a href="../../kafka/spout/KafkaSpoutConfig.Builder.html#setEmitNullTuples(boolean)"><code>KafkaSpoutConfig.Builder.setEmitNullTuples(boolean)</code></a> is set to <code>false</code>.</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getFieldsFor(java.lang.String)">
<h3>getFieldsFor</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="../../tuple/Fields.html" title="class in org.apache.storm.tuple">Fields</a></span>&nbsp;<span class="element-name">getFieldsFor</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>&nbsp;stream)</span></div>
<div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="../../kafka/spout/RecordTranslator.html#getFieldsFor(java.lang.String)">RecordTranslator</a></code></span></div>
<div class="block">Get the fields associated with a stream. The streams passed in are
returned by the <a href="../../kafka/spout/RecordTranslator.html#streams()"><code>RecordTranslator.streams()</code></a> method.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../../kafka/spout/RecordTranslator.html#getFieldsFor(java.lang.String)">getFieldsFor</a></code>&nbsp;in interface&nbsp;<code><a href="../../kafka/spout/RecordTranslator.html" title="interface in org.apache.storm.kafka.spout">RecordTranslator</a>&lt;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/nio/ByteBuffer.html" title="class or interface in java.nio" class="external-link">ByteBuffer</a>&gt;</code></dd>
<dt>Parameters:</dt>
<dd><code>stream</code> - the stream the fields are for</dd>
<dt>Returns:</dt>
<dd>the fields for that stream.</dd>
</dl>
</section>
</li>
</ul>
</section>
</li>
</ul>
</section>
<!-- ========= END OF CLASS DATA ========= -->
</main>
<footer role="contentinfo">
<hr>
<p class="legal-copy"><small>Copyright &#169; 2023 <a href="https://www.apache.org/">The Apache Software Foundation</a>. All rights reserved.</small></p>
</footer>
</div>
</div>
</body>
</html>