storm.trident.operation
Interface CombinerAggregator<T>

All Superinterfaces:
Serializable
All Known Implementing Classes:
Count, Sum

public interface CombinerAggregator<T>
extends Serializable


Method Summary
 T combine(T val1, T val2)
           
 T init(TridentTuple tuple)
           
 T zero()
           
 

Method Detail

init

T init(TridentTuple tuple)

combine

T combine(T val1,
          T val2)

zero

T zero()


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