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| <h2 title="Interface ManualPartitioner" class="title">Interface ManualPartitioner</h2> |
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| <pre>public interface <span class="typeNameLabel">ManualPartitioner</span> |
| extends <a href="http://docs.oracle.com/javase/7/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a></pre> |
| <div class="block"><p>A function used to assign partitions to this spout. WARNING if this is not done correctly you can really mess things up, like not reading data in some partitions. The complete TopologyContext is passed in, but it is suggested that you use the index of the spout and the total number of spouts to avoid missing partitions or double assigning partitions.</p></div> |
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| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><org.apache.kafka.common.TopicPartition></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/kafka/spout/ManualPartitioner.html#partition-java.util.List-org.apache.storm.task.TopologyContext-">partition</a></span>(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><org.apache.kafka.common.TopicPartition> allPartitions, |
| <a href="../../../../../org/apache/storm/task/TopologyContext.html" title="class in org.apache.storm.task">TopologyContext</a> context)</code> |
| <div class="block">Get the partitions for this assignment</div> |
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| <h4>partition</h4> |
| <pre><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><org.apache.kafka.common.TopicPartition> partition(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><org.apache.kafka.common.TopicPartition> allPartitions, |
| <a href="../../../../../org/apache/storm/task/TopologyContext.html" title="class in org.apache.storm.task">TopologyContext</a> context)</pre> |
| <div class="block"><p>Get the partitions for this assignment</p></div> |
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| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>allPartitions</code> - all of the partitions that the set of spouts want to subscribe to, in a strict ordering</dd> |
| <dd><code>context</code> - the context of the topology</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the subset of the partitions that this spout should use.</dd> |
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