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<h1 title="Package" class="title">Package&nbsp;org.apache.beam.runners.gearpump.translators</h1>
<div class="docSummary">
<div class="block">Gearpump specific translators.</div>
</div>
<p>See:&nbsp;<a href="#package.description">Description</a></p>
</div>
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<table class="typeSummary" border="0" cellpadding="3" cellspacing="0" summary="Interface Summary table, listing interfaces, and an explanation">
<caption><span>Interface Summary</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Interface</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../../org/apache/beam/runners/gearpump/translators/TransformTranslator.html" title="interface in org.apache.beam.runners.gearpump.translators">TransformTranslator</a>&lt;T extends <a href="../../../../../../org/apache/beam/sdk/transforms/PTransform.html" title="class in org.apache.beam.sdk.transforms">PTransform</a>&gt;</td>
<td class="colLast">
<div class="block">Translates <a href="../../../../../../org/apache/beam/sdk/transforms/PTransform.html" title="class in org.apache.beam.sdk.transforms"><code>PTransform</code></a> to Gearpump functions.</div>
</td>
</tr>
</tbody>
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<table class="typeSummary" border="0" cellpadding="3" cellspacing="0" summary="Class Summary table, listing classes, and an explanation">
<caption><span>Class Summary</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Class</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../../org/apache/beam/runners/gearpump/translators/CreateGearpumpPCollectionViewTranslator.html" title="class in org.apache.beam.runners.gearpump.translators">CreateGearpumpPCollectionViewTranslator</a>&lt;ElemT,ViewT&gt;</td>
<td class="colLast">
<div class="block">CreateGearpumpPCollectionView bridges input stream to down stream transforms.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../../org/apache/beam/runners/gearpump/translators/FlattenPCollectionsTranslator.html" title="class in org.apache.beam.runners.gearpump.translators">FlattenPCollectionsTranslator</a>&lt;T&gt;</td>
<td class="colLast">
<div class="block">Flatten.FlattenPCollectionList is translated to Gearpump merge function.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../../org/apache/beam/runners/gearpump/translators/GearpumpPipelineTranslator.html" title="class in org.apache.beam.runners.gearpump.translators">GearpumpPipelineTranslator</a></td>
<td class="colLast">
<div class="block"><a href="../../../../../../org/apache/beam/runners/gearpump/translators/GearpumpPipelineTranslator.html" title="class in org.apache.beam.runners.gearpump.translators"><code>GearpumpPipelineTranslator</code></a> knows how to translate <a href="../../../../../../org/apache/beam/sdk/Pipeline.html" title="class in org.apache.beam.sdk"><code>Pipeline</code></a> objects into Gearpump
<code>Graph</code>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../../org/apache/beam/runners/gearpump/translators/GroupByKeyTranslator.html" title="class in org.apache.beam.runners.gearpump.translators">GroupByKeyTranslator</a>&lt;K,V&gt;</td>
<td class="colLast">
<div class="block"><a href="../../../../../../org/apache/beam/sdk/transforms/GroupByKey.html" title="class in org.apache.beam.sdk.transforms"><code>GroupByKey</code></a> is translated to Gearpump groupBy function.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../../org/apache/beam/runners/gearpump/translators/GroupByKeyTranslator.GearpumpWindowFn.html" title="class in org.apache.beam.runners.gearpump.translators">GroupByKeyTranslator.GearpumpWindowFn</a>&lt;T,W extends <a href="../../../../../../org/apache/beam/sdk/transforms/windowing/BoundedWindow.html" title="class in org.apache.beam.sdk.transforms.windowing">BoundedWindow</a>&gt;</td>
<td class="colLast">
<div class="block">A transform used internally to translate Beam's Window to Gearpump's Window.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../../org/apache/beam/runners/gearpump/translators/GroupByKeyTranslator.GroupByFn.html" title="class in org.apache.beam.runners.gearpump.translators">GroupByKeyTranslator.GroupByFn</a>&lt;K,V&gt;</td>
<td class="colLast">
<div class="block">A transform used internally to group KV message by its key.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../../org/apache/beam/runners/gearpump/translators/GroupByKeyTranslator.KeyedByTimestamp.html" title="class in org.apache.beam.runners.gearpump.translators">GroupByKeyTranslator.KeyedByTimestamp</a>&lt;K,V&gt;</td>
<td class="colLast">
<div class="block">A transform used internally to transform WindowedValue to KV.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../../org/apache/beam/runners/gearpump/translators/GroupByKeyTranslator.Merge.html" title="class in org.apache.beam.runners.gearpump.translators">GroupByKeyTranslator.Merge</a>&lt;K,V&gt;</td>
<td class="colLast">
<div class="block">A transform used internally by Gearpump which encapsulates the merge logic.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../../org/apache/beam/runners/gearpump/translators/ParDoMultiOutputTranslator.html" title="class in org.apache.beam.runners.gearpump.translators">ParDoMultiOutputTranslator</a>&lt;InputT,OutputT&gt;</td>
<td class="colLast">
<div class="block"><code>ParDo.MultiOutput</code> is translated to Gearpump flatMap function with <a href="../../../../../../org/apache/beam/sdk/transforms/DoFn.html" title="class in org.apache.beam.sdk.transforms"><code>DoFn</code></a> wrapped in
<a href="../../../../../../org/apache/beam/runners/gearpump/translators/functions/DoFnFunction.html" title="class in org.apache.beam.runners.gearpump.translators.functions"><code>DoFnFunction</code></a>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../../org/apache/beam/runners/gearpump/translators/ReadBoundedTranslator.html" title="class in org.apache.beam.runners.gearpump.translators">ReadBoundedTranslator</a>&lt;T&gt;</td>
<td class="colLast">
<div class="block"><code>Read.Bounded</code> is translated to Gearpump source function and <a href="../../../../../../org/apache/beam/sdk/io/BoundedSource.html" title="class in org.apache.beam.sdk.io"><code>BoundedSource</code></a> is
wrapped into Gearpump <code>DataSource</code>.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../../org/apache/beam/runners/gearpump/translators/ReadUnboundedTranslator.html" title="class in org.apache.beam.runners.gearpump.translators">ReadUnboundedTranslator</a>&lt;T&gt;</td>
<td class="colLast">
<div class="block"><code>Read.Unbounded</code> is translated to Gearpump source function and <a href="../../../../../../org/apache/beam/sdk/io/UnboundedSource.html" title="class in org.apache.beam.sdk.io"><code>UnboundedSource</code></a> is
wrapped into Gearpump <code>DataSource</code>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../../org/apache/beam/runners/gearpump/translators/TranslationContext.html" title="class in org.apache.beam.runners.gearpump.translators">TranslationContext</a></td>
<td class="colLast">
<div class="block">Maintains context data for <a href="../../../../../../org/apache/beam/runners/gearpump/translators/TransformTranslator.html" title="interface in org.apache.beam.runners.gearpump.translators"><code>TransformTranslator</code></a>s.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../../org/apache/beam/runners/gearpump/translators/WindowAssignTranslator.html" title="class in org.apache.beam.runners.gearpump.translators">WindowAssignTranslator</a>&lt;T&gt;</td>
<td class="colLast">
<div class="block"><code>Window.Assign</code> is translated to Gearpump flatMap function.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../../org/apache/beam/runners/gearpump/translators/WindowAssignTranslator.AssignWindows.html" title="class in org.apache.beam.runners.gearpump.translators">WindowAssignTranslator.AssignWindows</a>&lt;T&gt;</td>
<td class="colLast">
<div class="block">A Function used internally by Gearpump to wrap the actual Beam's WindowFn.</div>
</td>
</tr>
</tbody>
</table>
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<h2 title="Package org.apache.beam.runners.gearpump.translators Description">Package org.apache.beam.runners.gearpump.translators Description</h2>
<div class="block">Gearpump specific translators.</div>
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