Class Count
java.lang.Object
org.apache.storm.trident.operation.builtin.Count
- All Implemented Interfaces:
Serializable
,CombinerAggregator<Long>
- See Also:
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Constructor Summary
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Method Summary
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Constructor Details
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Count
public Count()
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Method Details
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init
- Specified by:
init
in interfaceCombinerAggregator<Long>
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combine
- Specified by:
combine
in interfaceCombinerAggregator<Long>
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zero
- Specified by:
zero
in interfaceCombinerAggregator<Long>
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