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| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">org.apache.kafka.streams</a></div> |
| <h1 title="Interface TopologyDescription.Sink" class="title">Interface TopologyDescription.Sink</h1> |
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| <section class="class-description" id="class-description"> |
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| <dt>All Superinterfaces:</dt> |
| <dd><code><a href="TopologyDescription.Node.html" title="interface in org.apache.kafka.streams">TopologyDescription.Node</a></code></dd> |
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| <dt>Enclosing interface:</dt> |
| <dd><a href="TopologyDescription.html" title="interface in org.apache.kafka.streams">TopologyDescription</a></dd> |
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| <div class="type-signature"><span class="modifiers">public static interface </span><span class="element-name type-name-label">TopologyDescription.Sink</span><span class="extends-implements"> |
| extends <a href="TopologyDescription.Node.html" title="interface in org.apache.kafka.streams">TopologyDescription.Node</a></span></div> |
| <div class="block">A sink node of a topology.</div> |
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| <div class="table-header col-first">Modifier and Type</div> |
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| <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/17/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 even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#topic()" class="member-name-link">topic</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">The topic name this sink node is writing to.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="processor/TopicNameExtractor.html" title="interface in org.apache.kafka.streams.processor">TopicNameExtractor</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#topicNameExtractor()" class="member-name-link">topicNameExtractor</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">The <a href="processor/TopicNameExtractor.html" title="interface in org.apache.kafka.streams.processor"><code>TopicNameExtractor</code></a> class that this sink node uses to dynamically extract the topic name to write to.</div> |
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| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.kafka.streams.TopologyDescription.Node">Methods inherited from interface org.apache.kafka.streams.<a href="TopologyDescription.Node.html" title="interface in org.apache.kafka.streams">TopologyDescription.Node</a></h3> |
| <code><a href="TopologyDescription.Node.html#name()">name</a>, <a href="TopologyDescription.Node.html#predecessors()">predecessors</a>, <a href="TopologyDescription.Node.html#successors()">successors</a></code></div> |
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| <h2>Method Details</h2> |
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| <section class="detail" id="topic()"> |
| <h3>topic</h3> |
| <div class="member-signature"><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/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">topic</span>()</div> |
| <div class="block">The topic name this sink node is writing to. |
| Could be <code>null</code> if the topic name can only be dynamically determined based on <a href="processor/TopicNameExtractor.html" title="interface in org.apache.kafka.streams.processor"><code>TopicNameExtractor</code></a></div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>a topic name</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="topicNameExtractor()"> |
| <h3>topicNameExtractor</h3> |
| <div class="member-signature"><span class="return-type"><a href="processor/TopicNameExtractor.html" title="interface in org.apache.kafka.streams.processor">TopicNameExtractor</a></span> <span class="element-name">topicNameExtractor</span>()</div> |
| <div class="block">The <a href="processor/TopicNameExtractor.html" title="interface in org.apache.kafka.streams.processor"><code>TopicNameExtractor</code></a> class that this sink node uses to dynamically extract the topic name to write to. |
| Could be <code>null</code> if the topic name is not dynamically determined.</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>the <a href="processor/TopicNameExtractor.html" title="interface in org.apache.kafka.streams.processor"><code>TopicNameExtractor</code></a> class used get the topic name</dd> |
| </dl> |
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