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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.heron.streamlet.impl.streamlets</a></div> |
| <h2 title="Class ConsumerStreamlet" class="title">Class ConsumerStreamlet<R></h2> |
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| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../StreamletBaseImpl.html" title="class in org.apache.heron.streamlet.impl">org.apache.heron.streamlet.impl.StreamletBaseImpl</a><R></li> |
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| <ul class="inheritance"> |
| <li>org.apache.heron.streamlet.impl.streamlets.ConsumerStreamlet<R></li> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd><code><a href="../../StreamletBase.html" title="interface in org.apache.heron.streamlet">StreamletBase</a><R></code></dd> |
| </dl> |
| <hr> |
| <pre>public class <span class="typeNameLabel">ConsumerStreamlet<R></span> |
| extends <a href="../StreamletBaseImpl.html" title="class in org.apache.heron.streamlet.impl">StreamletBaseImpl</a><R></pre> |
| <div class="block">ConsumerStreamlet represents an empty Streamlet that is made up of elements from the parent |
| streamlet after consuming every element. Since elements of the parents are just consumed |
| by the user passed consumer function, nothing is emitted, thus this streamlet is empty.</div> |
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| <code><a href="../StreamletBaseImpl.StreamletNamePrefix.html" title="enum in org.apache.heron.streamlet.impl">StreamletBaseImpl.StreamletNamePrefix</a></code></li> |
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| <code><a href="../StreamletBaseImpl.html#name">name</a>, <a href="../StreamletBaseImpl.html#nPartitions">nPartitions</a></code></li> |
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| <tr> |
| <th class="colFirst" scope="col">Constructor</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.heron.streamlet.impl.StreamletImpl,org.apache.heron.streamlet.SerializableConsumer)">ConsumerStreamlet</a></span>​(<a href="../StreamletImpl.html" title="class in org.apache.heron.streamlet.impl">StreamletImpl</a><<a href="ConsumerStreamlet.html" title="type parameter in ConsumerStreamlet">R</a>> parent, |
| <a href="../../SerializableConsumer.html" title="interface in org.apache.heron.streamlet">SerializableConsumer</a><<a href="ConsumerStreamlet.html" title="type parameter in ConsumerStreamlet">R</a>> consumer)</code></th> |
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| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
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| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#doBuild(org.apache.heron.api.topology.TopologyBuilder,java.util.Set)">doBuild</a></span>​(<a href="../../../api/topology/TopologyBuilder.html" title="class in org.apache.heron.api.topology">TopologyBuilder</a> bldr, |
| java.util.Set<java.lang.String> stageNames)</code></th> |
| <td class="colLast"> |
| <div class="block">Connect this streamlet to TopologyBuilder.</div> |
| </td> |
| </tr> |
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| <h3>Methods inherited from class org.apache.heron.streamlet.impl.<a href="../StreamletBaseImpl.html" title="class in org.apache.heron.streamlet.impl">StreamletBaseImpl</a></h3> |
| <code><a href="../StreamletBaseImpl.html#addChild(org.apache.heron.streamlet.impl.StreamletBaseImpl)">addChild</a>, <a href="../StreamletBaseImpl.html#build(org.apache.heron.api.topology.TopologyBuilder,java.util.Set)">build</a>, <a href="../StreamletBaseImpl.html#getChildren()">getChildren</a>, <a href="../StreamletBaseImpl.html#getName()">getName</a>, <a href="../StreamletBaseImpl.html#getNumPartitions()">getNumPartitions</a>, <a href="../StreamletBaseImpl.html#isBuilt()">isBuilt</a>, <a href="../StreamletBaseImpl.html#isFullyBuilt()">isFullyBuilt</a>, <a href="../StreamletBaseImpl.html#setDefaultNameIfNone(org.apache.heron.streamlet.impl.StreamletBaseImpl.StreamletNamePrefix,java.util.Set)">setDefaultNameIfNone</a>, <a href="../StreamletBaseImpl.html#setName(java.lang.String)">setName</a>, <a href="../StreamletBaseImpl.html#setNumPartitions(int)">setNumPartitions</a></code></li> |
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| <h3>Methods inherited from class java.lang.Object</h3> |
| <code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li> |
| </ul> |
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| <h4>ConsumerStreamlet</h4> |
| <pre>public ConsumerStreamlet​(<a href="../StreamletImpl.html" title="class in org.apache.heron.streamlet.impl">StreamletImpl</a><<a href="ConsumerStreamlet.html" title="type parameter in ConsumerStreamlet">R</a>> parent, |
| <a href="../../SerializableConsumer.html" title="interface in org.apache.heron.streamlet">SerializableConsumer</a><<a href="ConsumerStreamlet.html" title="type parameter in ConsumerStreamlet">R</a>> consumer)</pre> |
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| <h4>doBuild</h4> |
| <pre class="methodSignature">public boolean doBuild​(<a href="../../../api/topology/TopologyBuilder.html" title="class in org.apache.heron.api.topology">TopologyBuilder</a> bldr, |
| java.util.Set<java.lang.String> stageNames)</pre> |
| <div class="block">Connect this streamlet to TopologyBuilder.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../StreamletBaseImpl.html#doBuild(org.apache.heron.api.topology.TopologyBuilder,java.util.Set)">doBuild</a></code> in class <code><a href="../StreamletBaseImpl.html" title="class in org.apache.heron.streamlet.impl">StreamletBaseImpl</a><<a href="ConsumerStreamlet.html" title="type parameter in ConsumerStreamlet">R</a>></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>bldr</code> - The TopologyBuilder for the topology</dd> |
| <dd><code>stageNames</code> - The existing stage names</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>True if successful</dd> |
| </dl> |
| </li> |
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