storm.trident.operation
Class BaseAggregator<T>

java.lang.Object
  storm.trident.operation.BaseOperation
      storm.trident.operation.BaseAggregator<T>

All Implemented Interfaces:

java.io.Serializable, Aggregator<T>, Operation

Direct Known Subclasses:

CountAsAggregator, FirstN.FirstNAgg, FirstN.FirstNSortedAgg

public abstract class BaseAggregator<T>
extends BaseOperation
implements Aggregator<T>

See Also:

Serialized Form

Constructor Summary

BaseAggregator()

Method Summary

Methods inherited from class storm.trident.operation.BaseOperation

cleanup, prepare

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface storm.trident.operation.Aggregator

aggregate, complete, init

Methods inherited from interface storm.trident.operation.Operation

cleanup, prepare

Constructor Detail

BaseAggregator

public BaseAggregator()