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<div class="subTitle">org.apache.beam.sdk.io.kinesis</div>
<h2 title="Class KinesisIO.Read" class="title">Class KinesisIO.Read</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li><a href="../../../../../../org/apache/beam/sdk/transforms/PTransform.html" title="class in org.apache.beam.sdk.transforms">org.apache.beam.sdk.transforms.PTransform</a>&lt;<a href="../../../../../../org/apache/beam/sdk/values/PBegin.html" title="class in org.apache.beam.sdk.values">PBegin</a>,<a href="../../../../../../org/apache/beam/sdk/values/PCollection.html" title="class in org.apache.beam.sdk.values">PCollection</a>&lt;<a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisRecord.html" title="class in org.apache.beam.sdk.io.kinesis">KinesisRecord</a>&gt;&gt;</li>
<li>
<ul class="inheritance">
<li>org.apache.beam.sdk.io.kinesis.KinesisIO.Read</li>
</ul>
</li>
</ul>
</li>
</ul>
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<dt>All Implemented Interfaces:</dt>
<dd>java.io.Serializable, <a href="../../../../../../org/apache/beam/sdk/transforms/display/HasDisplayData.html" title="interface in org.apache.beam.sdk.transforms.display">HasDisplayData</a></dd>
</dl>
<dl>
<dt>Enclosing class:</dt>
<dd><a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.html" title="class in org.apache.beam.sdk.io.kinesis">KinesisIO</a></dd>
</dl>
<hr>
<br>
<pre>public abstract static class <span class="typeNameLabel">KinesisIO.Read</span>
extends <a href="../../../../../../org/apache/beam/sdk/transforms/PTransform.html" title="class in org.apache.beam.sdk.transforms">PTransform</a>&lt;<a href="../../../../../../org/apache/beam/sdk/values/PBegin.html" title="class in org.apache.beam.sdk.values">PBegin</a>,<a href="../../../../../../org/apache/beam/sdk/values/PCollection.html" title="class in org.apache.beam.sdk.values">PCollection</a>&lt;<a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisRecord.html" title="class in org.apache.beam.sdk.io.kinesis">KinesisRecord</a>&gt;&gt;</pre>
<div class="block">Implementation of <a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.html#read--"><code>KinesisIO.read()</code></a>.</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../../serialized-form.html#org.apache.beam.sdk.io.kinesis.KinesisIO.Read">Serialized Form</a></dd>
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<h3>Fields inherited from class&nbsp;org.apache.beam.sdk.transforms.<a href="../../../../../../org/apache/beam/sdk/transforms/PTransform.html" title="class in org.apache.beam.sdk.transforms">PTransform</a></h3>
<code><a href="../../../../../../org/apache/beam/sdk/transforms/PTransform.html#name">name</a></code></li>
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<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colOne" scope="col">Constructor and Description</th>
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<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html#Read--">Read</a></span>()</code>&nbsp;</td>
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<h3>Method Summary</h3>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/beam/sdk/values/PCollection.html" title="class in org.apache.beam.sdk.values">PCollection</a>&lt;<a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisRecord.html" title="class in org.apache.beam.sdk.io.kinesis">KinesisRecord</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html#expand-org.apache.beam.sdk.values.PBegin-">expand</a></span>(<a href="../../../../../../org/apache/beam/sdk/values/PBegin.html" title="class in org.apache.beam.sdk.values">PBegin</a>&nbsp;input)</code>
<div class="block">Override this method to specify how this <code>PTransform</code> should be expanded on the given
<code>InputT</code>.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html" title="class in org.apache.beam.sdk.io.kinesis">KinesisIO.Read</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html#withAWSClientsProvider-org.apache.beam.sdk.io.kinesis.AWSClientsProvider-">withAWSClientsProvider</a></span>(<a href="../../../../../../org/apache/beam/sdk/io/kinesis/AWSClientsProvider.html" title="interface in org.apache.beam.sdk.io.kinesis">AWSClientsProvider</a>&nbsp;awsClientsProvider)</code>
<div class="block">Allows to specify custom <a href="../../../../../../org/apache/beam/sdk/io/kinesis/AWSClientsProvider.html" title="interface in org.apache.beam.sdk.io.kinesis"><code>AWSClientsProvider</code></a>.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html" title="class in org.apache.beam.sdk.io.kinesis">KinesisIO.Read</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html#withAWSClientsProvider-java.lang.String-java.lang.String-com.amazonaws.regions.Regions-">withAWSClientsProvider</a></span>(java.lang.String&nbsp;awsAccessKey,
java.lang.String&nbsp;awsSecretKey,
com.amazonaws.regions.Regions&nbsp;region)</code>
<div class="block">Specify credential details and region to be used to read from Kinesis.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html" title="class in org.apache.beam.sdk.io.kinesis">KinesisIO.Read</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html#withAWSClientsProvider-java.lang.String-java.lang.String-com.amazonaws.regions.Regions-java.lang.String-">withAWSClientsProvider</a></span>(java.lang.String&nbsp;awsAccessKey,
java.lang.String&nbsp;awsSecretKey,
com.amazonaws.regions.Regions&nbsp;region,
java.lang.String&nbsp;serviceEndpoint)</code>
<div class="block">Specify credential details and region to be used to read from Kinesis.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html" title="class in org.apache.beam.sdk.io.kinesis">KinesisIO.Read</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html#withInitialPositionInStream-com.amazonaws.services.kinesis.clientlibrary.lib.worker.InitialPositionInStream-">withInitialPositionInStream</a></span>(com.amazonaws.services.kinesis.clientlibrary.lib.worker.InitialPositionInStream&nbsp;initialPosition)</code>
<div class="block">Specify reading from some initial position in stream.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html" title="class in org.apache.beam.sdk.io.kinesis">KinesisIO.Read</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html#withInitialTimestampInStream-org.joda.time.Instant-">withInitialTimestampInStream</a></span>(<a href="http://www.joda.org/joda-time/apidocs/org/joda/time/Instant.html?is-external=true" title="class or interface in org.joda.time">Instant</a>&nbsp;initialTimestamp)</code>
<div class="block">Specify reading beginning at given <a href="http://www.joda.org/joda-time/apidocs/org/joda/time/Instant.html?is-external=true" title="class or interface in org.joda.time"><code>Instant</code></a>.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html" title="class in org.apache.beam.sdk.io.kinesis">KinesisIO.Read</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html#withMaxNumRecords-long-">withMaxNumRecords</a></span>(long&nbsp;maxNumRecords)</code>
<div class="block">Specifies to read at most a given number of records.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html" title="class in org.apache.beam.sdk.io.kinesis">KinesisIO.Read</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html#withMaxReadTime-org.joda.time.Duration-">withMaxReadTime</a></span>(<a href="http://www.joda.org/joda-time/apidocs/org/joda/time/Duration.html?is-external=true" title="class or interface in org.joda.time">Duration</a>&nbsp;maxReadTime)</code>
<div class="block">Specifies to read records during <code>maxReadTime</code>.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html" title="class in org.apache.beam.sdk.io.kinesis">KinesisIO.Read</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html#withRequestRecordsLimit-int-">withRequestRecordsLimit</a></span>(int&nbsp;limit)</code>
<div class="block">Specifies the maximum number of records in GetRecordsResult returned by GetRecords call which
is limited by 10K records.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html" title="class in org.apache.beam.sdk.io.kinesis">KinesisIO.Read</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html#withStreamName-java.lang.String-">withStreamName</a></span>(java.lang.String&nbsp;streamName)</code>
<div class="block">Specify reading from streamName.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html" title="class in org.apache.beam.sdk.io.kinesis">KinesisIO.Read</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html#withUpToDateThreshold-org.joda.time.Duration-">withUpToDateThreshold</a></span>(<a href="http://www.joda.org/joda-time/apidocs/org/joda/time/Duration.html?is-external=true" title="class or interface in org.joda.time">Duration</a>&nbsp;upToDateThreshold)</code>
<div class="block">Specifies how late records consumed by this source can be to still be considered on time.</div>
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<h3>Methods inherited from class&nbsp;org.apache.beam.sdk.transforms.<a href="../../../../../../org/apache/beam/sdk/transforms/PTransform.html" title="class in org.apache.beam.sdk.transforms">PTransform</a></h3>
<code><a href="../../../../../../org/apache/beam/sdk/transforms/PTransform.html#compose-org.apache.beam.sdk.transforms.SerializableFunction-">compose</a>, <a href="../../../../../../org/apache/beam/sdk/transforms/PTransform.html#getAdditionalInputs--">getAdditionalInputs</a>, <a href="../../../../../../org/apache/beam/sdk/transforms/PTransform.html#getDefaultOutputCoder--">getDefaultOutputCoder</a>, <a href="../../../../../../org/apache/beam/sdk/transforms/PTransform.html#getDefaultOutputCoder-InputT-">getDefaultOutputCoder</a>, <a href="../../../../../../org/apache/beam/sdk/transforms/PTransform.html#getDefaultOutputCoder-InputT-org.apache.beam.sdk.values.PCollection-">getDefaultOutputCoder</a>, <a href="../../../../../../org/apache/beam/sdk/transforms/PTransform.html#getKindString--">getKindString</a>, <a href="../../../../../../org/apache/beam/sdk/transforms/PTransform.html#getName--">getName</a>, <a href="../../../../../../org/apache/beam/sdk/transforms/PTransform.html#populateDisplayData-org.apache.beam.sdk.transforms.display.DisplayData.Builder-">populateDisplayData</a>, <a href="../../../../../../org/apache/beam/sdk/transforms/PTransform.html#toString--">toString</a>, <a href="../../../../../../org/apache/beam/sdk/transforms/PTransform.html#validate-org.apache.beam.sdk.options.PipelineOptions-">validate</a></code></li>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait</code></li>
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<h3>Constructor Detail</h3>
<a name="Read--">
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<h4>Read</h4>
<pre>public&nbsp;Read()</pre>
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<h4>withStreamName</h4>
<pre>public&nbsp;<a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html" title="class in org.apache.beam.sdk.io.kinesis">KinesisIO.Read</a>&nbsp;withStreamName(java.lang.String&nbsp;streamName)</pre>
<div class="block">Specify reading from streamName.</div>
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<h4>withInitialPositionInStream</h4>
<pre>public&nbsp;<a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html" title="class in org.apache.beam.sdk.io.kinesis">KinesisIO.Read</a>&nbsp;withInitialPositionInStream(com.amazonaws.services.kinesis.clientlibrary.lib.worker.InitialPositionInStream&nbsp;initialPosition)</pre>
<div class="block">Specify reading from some initial position in stream.</div>
</li>
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<h4>withInitialTimestampInStream</h4>
<pre>public&nbsp;<a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html" title="class in org.apache.beam.sdk.io.kinesis">KinesisIO.Read</a>&nbsp;withInitialTimestampInStream(<a href="http://www.joda.org/joda-time/apidocs/org/joda/time/Instant.html?is-external=true" title="class or interface in org.joda.time">Instant</a>&nbsp;initialTimestamp)</pre>
<div class="block">Specify reading beginning at given <a href="http://www.joda.org/joda-time/apidocs/org/joda/time/Instant.html?is-external=true" title="class or interface in org.joda.time"><code>Instant</code></a>. This <a href="http://www.joda.org/joda-time/apidocs/org/joda/time/Instant.html?is-external=true" title="class or interface in org.joda.time"><code>Instant</code></a> must be in the past,
i.e. before <a href="http://www.joda.org/joda-time/apidocs/org/joda/time/Instant.html?is-external=true#now--" title="class or interface in org.joda.time"><code>Instant.now()</code></a>.</div>
</li>
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<h4>withAWSClientsProvider</h4>
<pre>public&nbsp;<a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html" title="class in org.apache.beam.sdk.io.kinesis">KinesisIO.Read</a>&nbsp;withAWSClientsProvider(<a href="../../../../../../org/apache/beam/sdk/io/kinesis/AWSClientsProvider.html" title="interface in org.apache.beam.sdk.io.kinesis">AWSClientsProvider</a>&nbsp;awsClientsProvider)</pre>
<div class="block">Allows to specify custom <a href="../../../../../../org/apache/beam/sdk/io/kinesis/AWSClientsProvider.html" title="interface in org.apache.beam.sdk.io.kinesis"><code>AWSClientsProvider</code></a>. <a href="../../../../../../org/apache/beam/sdk/io/kinesis/AWSClientsProvider.html" title="interface in org.apache.beam.sdk.io.kinesis"><code>AWSClientsProvider</code></a> provides
<code>AmazonKinesis</code> and <code>AmazonCloudWatch</code> instances which are later used for
communication with Kinesis. You should use this method if <a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html#withAWSClientsProvider-java.lang.String-java.lang.String-com.amazonaws.regions.Regions-"><code>withAWSClientsProvider(String, String, Regions)</code></a> does not suit your needs.</div>
</li>
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<h4>withAWSClientsProvider</h4>
<pre>public&nbsp;<a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html" title="class in org.apache.beam.sdk.io.kinesis">KinesisIO.Read</a>&nbsp;withAWSClientsProvider(java.lang.String&nbsp;awsAccessKey,
java.lang.String&nbsp;awsSecretKey,
com.amazonaws.regions.Regions&nbsp;region)</pre>
<div class="block">Specify credential details and region to be used to read from Kinesis. If you need more
sophisticated credential protocol, then you should look at <a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html#withAWSClientsProvider-org.apache.beam.sdk.io.kinesis.AWSClientsProvider-"><code>withAWSClientsProvider(AWSClientsProvider)</code></a>.</div>
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<pre>public&nbsp;<a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html" title="class in org.apache.beam.sdk.io.kinesis">KinesisIO.Read</a>&nbsp;withAWSClientsProvider(java.lang.String&nbsp;awsAccessKey,
java.lang.String&nbsp;awsSecretKey,
com.amazonaws.regions.Regions&nbsp;region,
java.lang.String&nbsp;serviceEndpoint)</pre>
<div class="block">Specify credential details and region to be used to read from Kinesis. If you need more
sophisticated credential protocol, then you should look at <a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html#withAWSClientsProvider-org.apache.beam.sdk.io.kinesis.AWSClientsProvider-"><code>withAWSClientsProvider(AWSClientsProvider)</code></a>.
<p>The <code>serviceEndpoint</code> sets an alternative service host. This is useful to execute
the tests with a kinesis service emulator.</div>
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<pre>public&nbsp;<a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html" title="class in org.apache.beam.sdk.io.kinesis">KinesisIO.Read</a>&nbsp;withMaxNumRecords(long&nbsp;maxNumRecords)</pre>
<div class="block">Specifies to read at most a given number of records.</div>
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<pre>public&nbsp;<a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html" title="class in org.apache.beam.sdk.io.kinesis">KinesisIO.Read</a>&nbsp;withMaxReadTime(<a href="http://www.joda.org/joda-time/apidocs/org/joda/time/Duration.html?is-external=true" title="class or interface in org.joda.time">Duration</a>&nbsp;maxReadTime)</pre>
<div class="block">Specifies to read records during <code>maxReadTime</code>.</div>
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<pre>public&nbsp;<a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html" title="class in org.apache.beam.sdk.io.kinesis">KinesisIO.Read</a>&nbsp;withUpToDateThreshold(<a href="http://www.joda.org/joda-time/apidocs/org/joda/time/Duration.html?is-external=true" title="class or interface in org.joda.time">Duration</a>&nbsp;upToDateThreshold)</pre>
<div class="block">Specifies how late records consumed by this source can be to still be considered on time.
When this limit is exceeded the actual backlog size will be evaluated and the runner might
decide to scale the amount of resources allocated to the pipeline in order to speed up
ingestion.</div>
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<pre>public&nbsp;<a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisIO.Read.html" title="class in org.apache.beam.sdk.io.kinesis">KinesisIO.Read</a>&nbsp;withRequestRecordsLimit(int&nbsp;limit)</pre>
<div class="block">Specifies the maximum number of records in GetRecordsResult returned by GetRecords call which
is limited by 10K records. If should be adjusted according to average size of data record to
prevent shard overloading. More details can be found here: <a
href="https://docs.aws.amazon.com/kinesis/latest/APIReference/API_GetRecords.html">API_GetRecords</a></div>
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<pre>public&nbsp;<a href="../../../../../../org/apache/beam/sdk/values/PCollection.html" title="class in org.apache.beam.sdk.values">PCollection</a>&lt;<a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisRecord.html" title="class in org.apache.beam.sdk.io.kinesis">KinesisRecord</a>&gt;&nbsp;expand(<a href="../../../../../../org/apache/beam/sdk/values/PBegin.html" title="class in org.apache.beam.sdk.values">PBegin</a>&nbsp;input)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/beam/sdk/transforms/PTransform.html#expand-InputT-">PTransform</a></code></span></div>
<div class="block">Override this method to specify how this <code>PTransform</code> should be expanded on the given
<code>InputT</code>.
<p>NOTE: This method should not be called directly. Instead apply the <code>PTransform</code> should
be applied to the <code>InputT</code> using the <code>apply</code> method.
<p>Composite transforms, which are defined in terms of other transforms, should return the
output of one of the composed transforms. Non-composite transforms, which do not apply any
transforms internally, should return a new unbound output and register evaluators (via
backend-specific registration methods).</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/beam/sdk/transforms/PTransform.html#expand-InputT-">expand</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/beam/sdk/transforms/PTransform.html" title="class in org.apache.beam.sdk.transforms">PTransform</a>&lt;<a href="../../../../../../org/apache/beam/sdk/values/PBegin.html" title="class in org.apache.beam.sdk.values">PBegin</a>,<a href="../../../../../../org/apache/beam/sdk/values/PCollection.html" title="class in org.apache.beam.sdk.values">PCollection</a>&lt;<a href="../../../../../../org/apache/beam/sdk/io/kinesis/KinesisRecord.html" title="class in org.apache.beam.sdk.io.kinesis">KinesisRecord</a>&gt;&gt;</code></dd>
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