org.apache.storm.trident.operation

Class BaseAggregator<T>

java.lang.Object

org.apache.storm.trident.operation.BaseOperation

org.apache.storm.trident.operation.BaseAggregator<T>

All Implemented Interfaces:

Serializable, Aggregator<T>, Operation

Direct Known Subclasses:

ComparisonAggregator, CountAsAggregator, FirstN.FirstNAgg, FirstN.FirstNSortedAgg

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

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
BaseAggregator()

Method Summary

Methods inherited from class org.apache.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 org.apache.storm.trident.operation.Aggregator

aggregate, complete, init

Methods inherited from interface org.apache.storm.trident.operation.Operation

cleanup, prepare

Constructor Detail

BaseAggregator

public BaseAggregator()