Class Sum
- java.lang.Object
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- org.apache.storm.trident.operation.builtin.Sum
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- All Implemented Interfaces:
Serializable,CombinerAggregator<Number>
public class Sum extends Object implements CombinerAggregator<Number>
- See Also:
- Serialized Form
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Constructor Summary
Constructors Constructor Description Sum()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description Numbercombine(Number val1, Number val2)Numberinit(TridentTuple tuple)Numberzero()
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Method Detail
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init
public Number init(TridentTuple tuple)
- Specified by:
initin interfaceCombinerAggregator<Number>
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combine
public Number combine(Number val1, Number val2)
- Specified by:
combinein interfaceCombinerAggregator<Number>
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zero
public Number zero()
- Specified by:
zeroin interfaceCombinerAggregator<Number>
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