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<div class="subTitle">org.apache.beam.runners.spark.structuredstreaming.translation</div>
<h2 title="Class AbstractTranslationContext" class="title">Class AbstractTranslationContext</h2>
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<li>java.lang.Object</li>
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<li>org.apache.beam.runners.spark.structuredstreaming.translation.AbstractTranslationContext</li>
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<pre>public abstract class <span class="typeNameLabel">AbstractTranslationContext</span>
extends java.lang.Object</pre>
<div class="block">Base class that gives a context for <a href="../../../../../../../org/apache/beam/sdk/transforms/PTransform.html" title="class in org.apache.beam.sdk.transforms"><code>PTransform</code></a> translation: keeping track of the
datasets, the <code>SparkSession</code>, the current transform being translated.</div>
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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/runners/spark/structuredstreaming/translation/AbstractTranslationContext.html#AbstractTranslationContext-org.apache.beam.runners.spark.structuredstreaming.SparkStructuredStreamingPipelineOptions-">AbstractTranslationContext</a></span>(<a href="../../../../../../../org/apache/beam/runners/spark/structuredstreaming/SparkStructuredStreamingPipelineOptions.html" title="interface in org.apache.beam.runners.spark.structuredstreaming">SparkStructuredStreamingPipelineOptions</a>&nbsp;options)</code>&nbsp;</td>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></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="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract 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>&lt;T&gt;&nbsp;org.apache.spark.sql.Dataset&lt;T&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/runners/spark/structuredstreaming/translation/AbstractTranslationContext.html#emptyDataset--">emptyDataset</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>org.apache.beam.sdk.runners.AppliedPTransform&lt;?,?,?&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/runners/spark/structuredstreaming/translation/AbstractTranslationContext.html#getCurrentTransform--">getCurrentTransform</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>&lt;T&gt;&nbsp;org.apache.spark.sql.Dataset&lt;org.apache.beam.sdk.util.WindowedValue&lt;T&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/runners/spark/structuredstreaming/translation/AbstractTranslationContext.html#getDataset-org.apache.beam.sdk.values.PValue-">getDataset</a></span>(<a href="../../../../../../../org/apache/beam/sdk/values/PValue.html" title="interface in org.apache.beam.sdk.values">PValue</a>&nbsp;value)</code>&nbsp;</td>
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<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/beam/sdk/values/PValue.html" title="interface in org.apache.beam.sdk.values">PValue</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/runners/spark/structuredstreaming/translation/AbstractTranslationContext.html#getInput--">getInput</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>java.util.Map&lt;<a href="../../../../../../../org/apache/beam/sdk/values/TupleTag.html" title="class in org.apache.beam.sdk.values">TupleTag</a>&lt;?&gt;,<a href="../../../../../../../org/apache/beam/sdk/values/PCollection.html" title="class in org.apache.beam.sdk.values">PCollection</a>&lt;?&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/runners/spark/structuredstreaming/translation/AbstractTranslationContext.html#getInputs--">getInputs</a></span>()</code>&nbsp;</td>
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<tr id="i5" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/beam/sdk/values/PValue.html" title="interface in org.apache.beam.sdk.values">PValue</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/runners/spark/structuredstreaming/translation/AbstractTranslationContext.html#getOutput--">getOutput</a></span>()</code>&nbsp;</td>
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<tr id="i6" class="altColor">
<td class="colFirst"><code>java.util.Map&lt;<a href="../../../../../../../org/apache/beam/sdk/values/TupleTag.html" title="class in org.apache.beam.sdk.values">TupleTag</a>&lt;?&gt;,<a href="../../../../../../../org/apache/beam/sdk/coders/Coder.html" title="class in org.apache.beam.sdk.coders">Coder</a>&lt;?&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/runners/spark/structuredstreaming/translation/AbstractTranslationContext.html#getOutputCoders--">getOutputCoders</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>java.util.Map&lt;<a href="../../../../../../../org/apache/beam/sdk/values/TupleTag.html" title="class in org.apache.beam.sdk.values">TupleTag</a>&lt;?&gt;,<a href="../../../../../../../org/apache/beam/sdk/values/PCollection.html" title="class in org.apache.beam.sdk.values">PCollection</a>&lt;?&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/runners/spark/structuredstreaming/translation/AbstractTranslationContext.html#getOutputs--">getOutputs</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>org.apache.beam.runners.core.construction.SerializablePipelineOptions</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/runners/spark/structuredstreaming/translation/AbstractTranslationContext.html#getSerializableOptions--">getSerializableOptions</a></span>()</code>&nbsp;</td>
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<tr id="i9" class="rowColor">
<td class="colFirst"><code>&lt;T&gt;&nbsp;org.apache.spark.sql.Dataset&lt;T&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/runners/spark/structuredstreaming/translation/AbstractTranslationContext.html#getSideInputDataSet-org.apache.beam.sdk.values.PCollectionView-">getSideInputDataSet</a></span>(<a href="../../../../../../../org/apache/beam/sdk/values/PCollectionView.html" title="interface in org.apache.beam.sdk.values">PCollectionView</a>&lt;?&gt;&nbsp;value)</code>&nbsp;</td>
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<tr id="i10" class="altColor">
<td class="colFirst"><code>org.apache.spark.sql.SparkSession</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/runners/spark/structuredstreaming/translation/AbstractTranslationContext.html#getSparkSession--">getSparkSession</a></span>()</code>&nbsp;</td>
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<tr id="i11" class="rowColor">
<td class="colFirst"><code>abstract void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/runners/spark/structuredstreaming/translation/AbstractTranslationContext.html#launchStreaming-org.apache.spark.sql.streaming.DataStreamWriter-">launchStreaming</a></span>(org.apache.spark.sql.streaming.DataStreamWriter&lt;?&gt;&nbsp;dataStreamWriter)</code>&nbsp;</td>
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<tr id="i12" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/runners/spark/structuredstreaming/translation/AbstractTranslationContext.html#printDatasetContent-org.apache.spark.sql.Dataset-">printDatasetContent</a></span>(org.apache.spark.sql.Dataset&lt;org.apache.beam.sdk.util.WindowedValue&gt;&nbsp;dataset)</code>&nbsp;</td>
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<tr id="i13" class="rowColor">
<td class="colFirst"><code>&lt;T&gt;&nbsp;void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/runners/spark/structuredstreaming/translation/AbstractTranslationContext.html#putDataset-org.apache.beam.sdk.values.PValue-org.apache.spark.sql.Dataset-">putDataset</a></span>(<a href="../../../../../../../org/apache/beam/sdk/values/PValue.html" title="interface in org.apache.beam.sdk.values">PValue</a>&nbsp;value,
org.apache.spark.sql.Dataset&lt;org.apache.beam.sdk.util.WindowedValue&lt;T&gt;&gt;&nbsp;dataset)</code>&nbsp;</td>
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<tr id="i14" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/runners/spark/structuredstreaming/translation/AbstractTranslationContext.html#putDatasetWildcard-org.apache.beam.sdk.values.PValue-org.apache.spark.sql.Dataset-">putDatasetWildcard</a></span>(<a href="../../../../../../../org/apache/beam/sdk/values/PValue.html" title="interface in org.apache.beam.sdk.values">PValue</a>&nbsp;value,
org.apache.spark.sql.Dataset&lt;org.apache.beam.sdk.util.WindowedValue&lt;?&gt;&gt;&nbsp;dataset)</code>
<div class="block">TODO: All these 3 methods (putDataset*) are temporary and they are used only for generics type
checking.</div>
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<tr id="i15" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/runners/spark/structuredstreaming/translation/AbstractTranslationContext.html#setCurrentTransform-org.apache.beam.sdk.runners.AppliedPTransform-">setCurrentTransform</a></span>(org.apache.beam.sdk.runners.AppliedPTransform&lt;?,?,?&gt;&nbsp;currentTransform)</code>&nbsp;</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>&lt;ViewT,ElemT&gt;<br>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/runners/spark/structuredstreaming/translation/AbstractTranslationContext.html#setSideInputDataset-org.apache.beam.sdk.values.PCollectionView-org.apache.spark.sql.Dataset-">setSideInputDataset</a></span>(<a href="../../../../../../../org/apache/beam/sdk/values/PCollectionView.html" title="interface in org.apache.beam.sdk.values">PCollectionView</a>&lt;ViewT&gt;&nbsp;value,
org.apache.spark.sql.Dataset&lt;org.apache.beam.sdk.util.WindowedValue&lt;ElemT&gt;&gt;&nbsp;set)</code>&nbsp;</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/runners/spark/structuredstreaming/translation/AbstractTranslationContext.html#startPipeline--">startPipeline</a></span>()</code>
<div class="block">Starts the pipeline.</div>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
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<pre>public&nbsp;AbstractTranslationContext(<a href="../../../../../../../org/apache/beam/runners/spark/structuredstreaming/SparkStructuredStreamingPipelineOptions.html" title="interface in org.apache.beam.runners.spark.structuredstreaming">SparkStructuredStreamingPipelineOptions</a>&nbsp;options)</pre>
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<pre>public&nbsp;org.apache.spark.sql.SparkSession&nbsp;getSparkSession()</pre>
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<pre>public&nbsp;org.apache.beam.sdk.runners.AppliedPTransform&lt;?,?,?&gt;&nbsp;getCurrentTransform()</pre>
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<h4>getDataset</h4>
<pre>public&nbsp;&lt;T&gt;&nbsp;org.apache.spark.sql.Dataset&lt;org.apache.beam.sdk.util.WindowedValue&lt;T&gt;&gt;&nbsp;getDataset(<a href="../../../../../../../org/apache/beam/sdk/values/PValue.html" title="interface in org.apache.beam.sdk.values">PValue</a>&nbsp;value)</pre>
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<pre>public&nbsp;void&nbsp;putDatasetWildcard(<a href="../../../../../../../org/apache/beam/sdk/values/PValue.html" title="interface in org.apache.beam.sdk.values">PValue</a>&nbsp;value,
org.apache.spark.sql.Dataset&lt;org.apache.beam.sdk.util.WindowedValue&lt;?&gt;&gt;&nbsp;dataset)</pre>
<div class="block">TODO: All these 3 methods (putDataset*) are temporary and they are used only for generics type
checking. We should unify them in the future.</div>
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<pre>public&nbsp;&lt;T&gt;&nbsp;void&nbsp;putDataset(<a href="../../../../../../../org/apache/beam/sdk/values/PValue.html" title="interface in org.apache.beam.sdk.values">PValue</a>&nbsp;value,
org.apache.spark.sql.Dataset&lt;org.apache.beam.sdk.util.WindowedValue&lt;T&gt;&gt;&nbsp;dataset)</pre>
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<pre>public&nbsp;&lt;ViewT,ElemT&gt;&nbsp;void&nbsp;setSideInputDataset(<a href="../../../../../../../org/apache/beam/sdk/values/PCollectionView.html" title="interface in org.apache.beam.sdk.values">PCollectionView</a>&lt;ViewT&gt;&nbsp;value,
org.apache.spark.sql.Dataset&lt;org.apache.beam.sdk.util.WindowedValue&lt;ElemT&gt;&gt;&nbsp;set)</pre>
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<pre>public&nbsp;&lt;T&gt;&nbsp;org.apache.spark.sql.Dataset&lt;T&gt;&nbsp;getSideInputDataSet(<a href="../../../../../../../org/apache/beam/sdk/values/PCollectionView.html" title="interface in org.apache.beam.sdk.values">PCollectionView</a>&lt;?&gt;&nbsp;value)</pre>
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<pre>public&nbsp;<a href="../../../../../../../org/apache/beam/sdk/values/PValue.html" title="interface in org.apache.beam.sdk.values">PValue</a>&nbsp;getInput()</pre>
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<pre>public&nbsp;<a href="../../../../../../../org/apache/beam/sdk/values/PValue.html" title="interface in org.apache.beam.sdk.values">PValue</a>&nbsp;getOutput()</pre>
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<pre>public&nbsp;void&nbsp;startPipeline()</pre>
<div class="block">Starts the pipeline.</div>
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<h4>launchStreaming</h4>
<pre>public abstract&nbsp;void&nbsp;launchStreaming(org.apache.spark.sql.streaming.DataStreamWriter&lt;?&gt;&nbsp;dataStreamWriter)</pre>
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<pre>public static&nbsp;void&nbsp;printDatasetContent(org.apache.spark.sql.Dataset&lt;org.apache.beam.sdk.util.WindowedValue&gt;&nbsp;dataset)</pre>
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