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| <div class="subTitle">org.apache.beam.sdk.io.hadoop.inputformat</div> |
| <h2 title="Class HadoopInputFormatIO.Read" class="title">Class HadoopInputFormatIO.Read<K,V></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><<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><<a href="../../../../../../../org/apache/beam/sdk/values/KV.html" title="class in org.apache.beam.sdk.values">KV</a><K,V>>></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.beam.sdk.io.hadoop.inputformat.HadoopInputFormatIO.Read<K,V></li> |
| </ul> |
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| </li> |
| </ul> |
| <div class="description"> |
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| <dl> |
| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>K</code> - Type of keys to be read.</dd> |
| <dd><code>V</code> - Type of values to be read.</dd> |
| </dl> |
| <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> |
| </dl> |
| <dl> |
| <dt>Enclosing class:</dt> |
| <dd><a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.html" title="class in org.apache.beam.sdk.io.hadoop.inputformat">HadoopInputFormatIO</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>public abstract static class <span class="typeNameLabel">HadoopInputFormatIO.Read<K,V></span> |
| extends <a href="../../../../../../../org/apache/beam/sdk/transforms/PTransform.html" title="class in org.apache.beam.sdk.transforms">PTransform</a><<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><<a href="../../../../../../../org/apache/beam/sdk/values/KV.html" title="class in org.apache.beam.sdk.values">KV</a><K,V>>></pre> |
| <div class="block">A <a href="../../../../../../../org/apache/beam/sdk/transforms/PTransform.html" title="class in org.apache.beam.sdk.transforms"><code>PTransform</code></a> that reads from any data source which implements Hadoop InputFormat. For |
| e.g. Cassandra, Elasticsearch, HBase, Redis, Postgres, etc. See the class-level Javadoc on |
| <a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.html" title="class in org.apache.beam.sdk.io.hadoop.inputformat"><code>HadoopInputFormatIO</code></a> for more information.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.html" title="class in org.apache.beam.sdk.io.hadoop.inputformat"><code>HadoopInputFormatIO</code></a>, |
| <a href="../../../../../../../serialized-form.html#org.apache.beam.sdk.io.hadoop.inputformat.HadoopInputFormatIO.Read">Serialized Form</a></dd> |
| </dl> |
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| </a> |
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| <code><a href="../../../../../../../org/apache/beam/sdk/transforms/PTransform.html#name">name</a></code></li> |
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| <tr> |
| <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/hadoop/inputformat/HadoopInputFormatIO.Read.html#Read--">Read</a></span>()</code> </td> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </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><<a href="../../../../../../../org/apache/beam/sdk/values/KV.html" title="class in org.apache.beam.sdk.values">KV</a><<a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="type parameter in HadoopInputFormatIO.Read">K</a>,<a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="type parameter in HadoopInputFormatIO.Read">V</a>>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.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> 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>abstract <a href="../../../../../../../org/apache/beam/sdk/io/hadoop/SerializableConfiguration.html" title="class in org.apache.beam.sdk.io.hadoop">SerializableConfiguration</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html#getConfiguration--">getConfiguration</a></span>()</code> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><T> <a href="../../../../../../../org/apache/beam/sdk/coders/Coder.html" title="class in org.apache.beam.sdk.coders">Coder</a><T></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html#getDefaultCoder-org.apache.beam.sdk.values.TypeDescriptor-org.apache.beam.sdk.coders.CoderRegistry-">getDefaultCoder</a></span>(<a href="../../../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><?> typeDesc, |
| <a href="../../../../../../../org/apache/beam/sdk/coders/CoderRegistry.html" title="class in org.apache.beam.sdk.coders">CoderRegistry</a> coderRegistry)</code> |
| <div class="block">Returns the default coder for a given type descriptor.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>abstract <a href="../../../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><?></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html#getinputFormatClass--">getinputFormatClass</a></span>()</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>abstract <a href="../../../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><?></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html#getinputFormatKeyClass--">getinputFormatKeyClass</a></span>()</code> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>abstract <a href="../../../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><?></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html#getinputFormatValueClass--">getinputFormatValueClass</a></span>()</code> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>abstract <a href="../../../../../../../org/apache/beam/sdk/transforms/SimpleFunction.html" title="class in org.apache.beam.sdk.transforms">SimpleFunction</a><?,<a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="type parameter in HadoopInputFormatIO.Read">K</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html#getKeyTranslationFunction--">getKeyTranslationFunction</a></span>()</code> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>abstract <a href="../../../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><<a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="type parameter in HadoopInputFormatIO.Read">K</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html#getKeyTypeDescriptor--">getKeyTypeDescriptor</a></span>()</code> </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>abstract <a href="../../../../../../../org/apache/beam/sdk/transforms/SimpleFunction.html" title="class in org.apache.beam.sdk.transforms">SimpleFunction</a><?,<a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="type parameter in HadoopInputFormatIO.Read">V</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html#getValueTranslationFunction--">getValueTranslationFunction</a></span>()</code> </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>abstract <a href="../../../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><<a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="type parameter in HadoopInputFormatIO.Read">V</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html#getValueTypeDescriptor--">getValueTypeDescriptor</a></span>()</code> </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="class in org.apache.beam.sdk.io.hadoop.inputformat">HadoopInputFormatIO.Read</a><<a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="type parameter in HadoopInputFormatIO.Read">K</a>,<a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="type parameter in HadoopInputFormatIO.Read">V</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html#withConfiguration-org.apache.hadoop.conf.Configuration-">withConfiguration</a></span>(org.apache.hadoop.conf.Configuration configuration)</code> |
| <div class="block">Reads from the source using the options provided by the given configuration.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="class in org.apache.beam.sdk.io.hadoop.inputformat">HadoopInputFormatIO.Read</a><<a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="type parameter in HadoopInputFormatIO.Read">K</a>,<a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="type parameter in HadoopInputFormatIO.Read">V</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html#withKeyTranslation-org.apache.beam.sdk.transforms.SimpleFunction-">withKeyTranslation</a></span>(<a href="../../../../../../../org/apache/beam/sdk/transforms/SimpleFunction.html" title="class in org.apache.beam.sdk.transforms">SimpleFunction</a><?,<a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="type parameter in HadoopInputFormatIO.Read">K</a>> function)</code> |
| <div class="block">Transforms the keys read from the source using the given key translation function.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="class in org.apache.beam.sdk.io.hadoop.inputformat">HadoopInputFormatIO.Read</a><<a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="type parameter in HadoopInputFormatIO.Read">K</a>,<a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="type parameter in HadoopInputFormatIO.Read">V</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html#withValueTranslation-org.apache.beam.sdk.transforms.SimpleFunction-">withValueTranslation</a></span>(<a href="../../../../../../../org/apache/beam/sdk/transforms/SimpleFunction.html" title="class in org.apache.beam.sdk.transforms">SimpleFunction</a><?,<a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="type parameter in HadoopInputFormatIO.Read">V</a>> function)</code> |
| <div class="block">Transforms the values read from the source using the given value translation function.</div> |
| </td> |
| </tr> |
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| <li class="blockList"><a name="methods.inherited.from.class.org.apache.beam.sdk.transforms.PTransform"> |
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| <h3>Methods inherited from class 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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| <a name="Read--"> |
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| <h4>Read</h4> |
| <pre>public Read()</pre> |
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| <h4>getConfiguration</h4> |
| <pre>@Nullable |
| public abstract <a href="../../../../../../../org/apache/beam/sdk/io/hadoop/SerializableConfiguration.html" title="class in org.apache.beam.sdk.io.hadoop">SerializableConfiguration</a> getConfiguration()</pre> |
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| <pre>@Nullable |
| public abstract <a href="../../../../../../../org/apache/beam/sdk/transforms/SimpleFunction.html" title="class in org.apache.beam.sdk.transforms">SimpleFunction</a><?,<a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="type parameter in HadoopInputFormatIO.Read">K</a>> getKeyTranslationFunction()</pre> |
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| <h4>getValueTranslationFunction</h4> |
| <pre>@Nullable |
| public abstract <a href="../../../../../../../org/apache/beam/sdk/transforms/SimpleFunction.html" title="class in org.apache.beam.sdk.transforms">SimpleFunction</a><?,<a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="type parameter in HadoopInputFormatIO.Read">V</a>> getValueTranslationFunction()</pre> |
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| <h4>getKeyTypeDescriptor</h4> |
| <pre>@Nullable |
| public abstract <a href="../../../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><<a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="type parameter in HadoopInputFormatIO.Read">K</a>> getKeyTypeDescriptor()</pre> |
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| <h4>getValueTypeDescriptor</h4> |
| <pre>@Nullable |
| public abstract <a href="../../../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><<a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="type parameter in HadoopInputFormatIO.Read">V</a>> getValueTypeDescriptor()</pre> |
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| <h4>getinputFormatClass</h4> |
| <pre>@Nullable |
| public abstract <a href="../../../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><?> getinputFormatClass()</pre> |
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| <h4>getinputFormatKeyClass</h4> |
| <pre>@Nullable |
| public abstract <a href="../../../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><?> getinputFormatKeyClass()</pre> |
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| <h4>getinputFormatValueClass</h4> |
| <pre>@Nullable |
| public abstract <a href="../../../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><?> getinputFormatValueClass()</pre> |
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| <h4>withConfiguration</h4> |
| <pre>public <a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="class in org.apache.beam.sdk.io.hadoop.inputformat">HadoopInputFormatIO.Read</a><<a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="type parameter in HadoopInputFormatIO.Read">K</a>,<a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="type parameter in HadoopInputFormatIO.Read">V</a>> withConfiguration(org.apache.hadoop.conf.Configuration configuration)</pre> |
| <div class="block">Reads from the source using the options provided by the given configuration.</div> |
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| <a name="withKeyTranslation-org.apache.beam.sdk.transforms.SimpleFunction-"> |
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| <h4>withKeyTranslation</h4> |
| <pre>public <a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="class in org.apache.beam.sdk.io.hadoop.inputformat">HadoopInputFormatIO.Read</a><<a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="type parameter in HadoopInputFormatIO.Read">K</a>,<a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="type parameter in HadoopInputFormatIO.Read">V</a>> withKeyTranslation(<a href="../../../../../../../org/apache/beam/sdk/transforms/SimpleFunction.html" title="class in org.apache.beam.sdk.transforms">SimpleFunction</a><?,<a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="type parameter in HadoopInputFormatIO.Read">K</a>> function)</pre> |
| <div class="block">Transforms the keys read from the source using the given key translation function.</div> |
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| <h4>withValueTranslation</h4> |
| <pre>public <a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="class in org.apache.beam.sdk.io.hadoop.inputformat">HadoopInputFormatIO.Read</a><<a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="type parameter in HadoopInputFormatIO.Read">K</a>,<a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="type parameter in HadoopInputFormatIO.Read">V</a>> withValueTranslation(<a href="../../../../../../../org/apache/beam/sdk/transforms/SimpleFunction.html" title="class in org.apache.beam.sdk.transforms">SimpleFunction</a><?,<a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="type parameter in HadoopInputFormatIO.Read">V</a>> function)</pre> |
| <div class="block">Transforms the values read from the source using the given value translation function.</div> |
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| <a name="expand-org.apache.beam.sdk.values.PBegin-"> |
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| <h4>expand</h4> |
| <pre>public <a href="../../../../../../../org/apache/beam/sdk/values/PCollection.html" title="class in org.apache.beam.sdk.values">PCollection</a><<a href="../../../../../../../org/apache/beam/sdk/values/KV.html" title="class in org.apache.beam.sdk.values">KV</a><<a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="type parameter in HadoopInputFormatIO.Read">K</a>,<a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="type parameter in HadoopInputFormatIO.Read">V</a>>> expand(<a href="../../../../../../../org/apache/beam/sdk/values/PBegin.html" title="class in org.apache.beam.sdk.values">PBegin</a> input)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <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> in class <code><a href="../../../../../../../org/apache/beam/sdk/transforms/PTransform.html" title="class in org.apache.beam.sdk.transforms">PTransform</a><<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><<a href="../../../../../../../org/apache/beam/sdk/values/KV.html" title="class in org.apache.beam.sdk.values">KV</a><<a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="type parameter in HadoopInputFormatIO.Read">K</a>,<a href="../../../../../../../org/apache/beam/sdk/io/hadoop/inputformat/HadoopInputFormatIO.Read.html" title="type parameter in HadoopInputFormatIO.Read">V</a>>>></code></dd> |
| </dl> |
| </li> |
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| <h4>getDefaultCoder</h4> |
| <pre>public <T> <a href="../../../../../../../org/apache/beam/sdk/coders/Coder.html" title="class in org.apache.beam.sdk.coders">Coder</a><T> getDefaultCoder(<a href="../../../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><?> typeDesc, |
| <a href="../../../../../../../org/apache/beam/sdk/coders/CoderRegistry.html" title="class in org.apache.beam.sdk.coders">CoderRegistry</a> coderRegistry)</pre> |
| <div class="block">Returns the default coder for a given type descriptor. Coder Registry is queried for correct |
| coder, if not found in Coder Registry, then check if the type descriptor provided is of type |
| Writable, then WritableCoder is returned, else exception is thrown "Cannot find coder".</div> |
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