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<div class="subTitle">org.apache.beam.sdk.testing</div>
<h2 title="Class TestStream" class="title">Class TestStream&lt;T&gt;</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;T&gt;&gt;</li>
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<li>org.apache.beam.sdk.testing.TestStream&lt;T&gt;</li>
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<div class="description">
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<dl>
<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>
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<pre>public final class <span class="typeNameLabel">TestStream&lt;T&gt;</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;T&gt;&gt;</pre>
<div class="block">A testing input that generates an unbounded <a href="../../../../../org/apache/beam/sdk/values/PCollection.html" title="class in org.apache.beam.sdk.values"><code>PCollection</code></a> of elements, advancing the
watermark and processing time as elements are emitted. After all of the specified elements are
emitted, ceases to produce output.
<p>Each call to a <a href="../../../../../org/apache/beam/sdk/testing/TestStream.Builder.html" title="class in org.apache.beam.sdk.testing"><code>TestStream.Builder</code></a> method will only be reflected in the state of the
<a href="../../../../../org/apache/beam/sdk/Pipeline.html" title="class in org.apache.beam.sdk"><code>Pipeline</code></a> after each method before it has completed and no more progress can be made by
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<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../serialized-form.html#org.apache.beam.sdk.testing.TestStream">Serialized Form</a></dd>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code>static class&nbsp;</code></td>
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<code><a href="../../../../../org/apache/beam/sdk/transforms/PTransform.html#name">name</a></code></li>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<tr id="i0" class="altColor">
<td class="colFirst"><code>static &lt;T&gt;&nbsp;<a href="../../../../../org/apache/beam/sdk/testing/TestStream.Builder.html" title="class in org.apache.beam.sdk.testing">TestStream.Builder</a>&lt;T&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/testing/TestStream.html#create-org.apache.beam.sdk.coders.Coder-">create</a></span>(<a href="../../../../../org/apache/beam/sdk/coders/Coder.html" title="class in org.apache.beam.sdk.coders">Coder</a>&lt;T&gt;&nbsp;coder)</code>
<div class="block">Create a new <a href="../../../../../org/apache/beam/sdk/testing/TestStream.Builder.html" title="class in org.apache.beam.sdk.testing"><code>TestStream.Builder</code></a> with no elements and watermark equal to <a href="../../../../../org/apache/beam/sdk/transforms/windowing/BoundedWindow.html#TIMESTAMP_MIN_VALUE"><code>BoundedWindow.TIMESTAMP_MIN_VALUE</code></a>.</div>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code>static &lt;T&gt;&nbsp;<a href="../../../../../org/apache/beam/sdk/testing/TestStream.Builder.html" title="class in org.apache.beam.sdk.testing">TestStream.Builder</a>&lt;T&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/testing/TestStream.html#create-org.apache.beam.sdk.schemas.Schema-org.apache.beam.sdk.transforms.SerializableFunction-org.apache.beam.sdk.transforms.SerializableFunction-">create</a></span>(<a href="../../../../../org/apache/beam/sdk/schemas/Schema.html" title="class in org.apache.beam.sdk.schemas">Schema</a>&nbsp;schema,
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<tr id="i2" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/testing/TestStream.html#equals-java.lang.Object-">equals</a></span>(java.lang.Object&nbsp;other)</code>&nbsp;</td>
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<tr id="i3" class="rowColor">
<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/testing/TestStream.html" title="type parameter in TestStream">T</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/testing/TestStream.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="i4" class="altColor">
<td class="colFirst"><code>static &lt;T&gt;&nbsp;<a href="../../../../../org/apache/beam/sdk/testing/TestStream.html" title="class in org.apache.beam.sdk.testing">TestStream</a>&lt;T&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/testing/TestStream.html#fromRawEvents-org.apache.beam.sdk.coders.Coder-java.util.List-">fromRawEvents</a></span>(<a href="../../../../../org/apache/beam/sdk/coders/Coder.html" title="class in org.apache.beam.sdk.coders">Coder</a>&lt;T&gt;&nbsp;coder,
java.util.List&lt;<a href="../../../../../org/apache/beam/sdk/testing/TestStream.Event.html" title="interface in org.apache.beam.sdk.testing">TestStream.Event</a>&lt;T&gt;&gt;&nbsp;events)</code>
<div class="block"><b>For internal use only.</div>
</td>
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<tr id="i5" class="rowColor">
<td class="colFirst"><code>java.util.List&lt;<a href="../../../../../org/apache/beam/sdk/testing/TestStream.Event.html" title="interface in org.apache.beam.sdk.testing">TestStream.Event</a>&lt;<a href="../../../../../org/apache/beam/sdk/testing/TestStream.html" title="type parameter in TestStream">T</a>&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/testing/TestStream.html#getEvents--">getEvents</a></span>()</code>
<div class="block">Returns the sequence of <a href="../../../../../org/apache/beam/sdk/testing/TestStream.Event.html" title="interface in org.apache.beam.sdk.testing"><code>Events</code></a> in this <a href="../../../../../org/apache/beam/sdk/testing/TestStream.html" title="class in org.apache.beam.sdk.testing"><code>TestStream</code></a>.</div>
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<tr id="i6" class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/beam/sdk/coders/Coder.html" title="class in org.apache.beam.sdk.coders">Coder</a>&lt;<a href="../../../../../org/apache/beam/sdk/testing/TestStream.html" title="type parameter in TestStream">T</a>&gt;</code></td>
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<tr id="i7" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/testing/TestStream.html#hashCode--">hashCode</a></span>()</code>&nbsp;</td>
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<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#compose-java.lang.String-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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<div class="block">Create a new <a href="../../../../../org/apache/beam/sdk/testing/TestStream.Builder.html" title="class in org.apache.beam.sdk.testing"><code>TestStream.Builder</code></a> with no elements and watermark equal to <a href="../../../../../org/apache/beam/sdk/transforms/windowing/BoundedWindow.html#TIMESTAMP_MIN_VALUE"><code>BoundedWindow.TIMESTAMP_MIN_VALUE</code></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/testing/TestStream.html" title="type parameter in TestStream">T</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/testing/TestStream.html" title="type parameter in TestStream">T</a>&gt;&gt;</code></dd>
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<pre>public&nbsp;<a href="../../../../../org/apache/beam/sdk/coders/Coder.html" title="class in org.apache.beam.sdk.coders">Coder</a>&lt;<a href="../../../../../org/apache/beam/sdk/testing/TestStream.html" title="type parameter in TestStream">T</a>&gt;&nbsp;getValueCoder()</pre>
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<pre>public&nbsp;java.util.List&lt;<a href="../../../../../org/apache/beam/sdk/testing/TestStream.Event.html" title="interface in org.apache.beam.sdk.testing">TestStream.Event</a>&lt;<a href="../../../../../org/apache/beam/sdk/testing/TestStream.html" title="type parameter in TestStream">T</a>&gt;&gt;&nbsp;getEvents()</pre>
<div class="block">Returns the sequence of <a href="../../../../../org/apache/beam/sdk/testing/TestStream.Event.html" title="interface in org.apache.beam.sdk.testing"><code>Events</code></a> in this <a href="../../../../../org/apache/beam/sdk/testing/TestStream.html" title="class in org.apache.beam.sdk.testing"><code>TestStream</code></a>.
<p>For use by <a href="../../../../../org/apache/beam/sdk/PipelineRunner.html" title="class in org.apache.beam.sdk"><code>PipelineRunner</code></a> authors.</div>
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<pre><a href="../../../../../org/apache/beam/sdk/annotations/Internal.html" title="annotation in org.apache.beam.sdk.annotations">@Internal</a>
public static&nbsp;&lt;T&gt;&nbsp;<a href="../../../../../org/apache/beam/sdk/testing/TestStream.html" title="class in org.apache.beam.sdk.testing">TestStream</a>&lt;T&gt;&nbsp;fromRawEvents(<a href="../../../../../org/apache/beam/sdk/coders/Coder.html" title="class in org.apache.beam.sdk.coders">Coder</a>&lt;T&gt;&nbsp;coder,
java.util.List&lt;<a href="../../../../../org/apache/beam/sdk/testing/TestStream.Event.html" title="interface in org.apache.beam.sdk.testing">TestStream.Event</a>&lt;T&gt;&gt;&nbsp;events)</pre>
<div class="block"><b>For internal use only. No backwards-compatibility guarantees.</b>
<p>Builder a test stream directly from events. No validation is performed on watermark
monotonicity, etc. This is assumed to be a previously-serialized <a href="../../../../../org/apache/beam/sdk/testing/TestStream.html" title="class in org.apache.beam.sdk.testing"><code>TestStream</code></a> transform
that is correct by construction.</div>
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<dd><code>equals</code>&nbsp;in class&nbsp;<code>java.lang.Object</code></dd>
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