Package org.apache.heron.streamlet

Interface IStreamletWindowOperator<R,T>

All Superinterfaces:

IComponent, IStreamletOperator<R,T>, IWindowedBolt, Serializable

All Known Implementing Classes:

GeneralReduceByKeyAndWindowOperator, JoinOperator, ReduceByKeyAndWindowOperator, StreamletWindowOperator

public interface IStreamletWindowOperator<R,T>
extends IStreamletOperator<R,T>, IWindowedBolt

The interface for streamlet operators. It can be used to create operators based on existing Bolts (subclasses of IWindowedBolt).

Method Summary

Methods inherited from interface org.apache.heron.api.topology.IComponent

declareOutputFields, getComponentConfiguration

Methods inherited from interface org.apache.heron.api.bolt.IWindowedBolt

cleanup, execute, getTimestampExtractor, prepare