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| <h2 title="Interface Partition.PartitionFn" class="title">Interface Partition.PartitionFn<T></h2> |
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| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>T</code> - the type of the elements being partitioned</dd> |
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| <dd><a href="../../../../../org/apache/beam/sdk/transforms/Partition.html" title="class in org.apache.beam.sdk.transforms">Partition</a><<a href="../../../../../org/apache/beam/sdk/transforms/Partition.html" title="type parameter in Partition">T</a>></dd> |
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| <pre>public static interface <span class="typeNameLabel">Partition.PartitionFn<T></span> |
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| <div class="block">A function object that chooses an output partition for an element.</div> |
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| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/transforms/Partition.PartitionFn.html#partitionFor-T-int-">partitionFor</a></span>(<a href="../../../../../org/apache/beam/sdk/transforms/Partition.PartitionFn.html" title="type parameter in Partition.PartitionFn">T</a> elem, |
| int numPartitions)</code> |
| <div class="block">Chooses the partition into which to put the given element.</div> |
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| <h4>partitionFor</h4> |
| <pre>int partitionFor(<a href="../../../../../org/apache/beam/sdk/transforms/Partition.PartitionFn.html" title="type parameter in Partition.PartitionFn">T</a> elem, |
| int numPartitions)</pre> |
| <div class="block">Chooses the partition into which to put the given element.</div> |
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| <dd><code>elem</code> - the element to be partitioned</dd> |
| <dd><code>numPartitions</code> - the total number of partitions (<code>>= 1</code>)</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>index of the selected partition (in the range <code>[0..numPartitions-1]</code>)</dd> |
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