org.apache.flink.streaming.api.windowing.windowbuffer

Class JumpingCountGroupedPreReducer<T>

java.lang.Object

org.apache.flink.streaming.api.windowing.windowbuffer.WindowBuffer<T>

org.apache.flink.streaming.api.windowing.windowbuffer.TumblingGroupedPreReducer<T>

org.apache.flink.streaming.api.windowing.windowbuffer.JumpingCountGroupedPreReducer<T>

All Implemented Interfaces:

Serializable, Cloneable, PreAggregator

public class JumpingCountGroupedPreReducer<T>
extends TumblingGroupedPreReducer<T>

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.flink.streaming.api.windowing.windowbuffer.WindowBuffer

emitEmpty, emitPerGroup, nextID, sequentialID

Constructor Summary

Constructors

Constructor and Description
JumpingCountGroupedPreReducer(org.apache.flink.api.common.functions.ReduceFunction<T> reducer, org.apache.flink.api.java.functions.KeySelector<T,?> keySelector, org.apache.flink.api.common.typeutils.TypeSerializer<T> serializer, long countToSkip)

Method Summary

Modifier and Type	Method and Description
void	emitWindow(org.apache.flink.util.Collector<StreamWindow<T>> collector)
void	store(T element)

Methods inherited from class org.apache.flink.streaming.api.windowing.windowbuffer.TumblingGroupedPreReducer

clone, evict, noEvict, toString

Methods inherited from class org.apache.flink.streaming.api.windowing.windowbuffer.WindowBuffer

createEmptyWindow, emitEmpty, sequentialID

Methods inherited from class java.lang.Object

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

Constructor Detail

JumpingCountGroupedPreReducer

public JumpingCountGroupedPreReducer(org.apache.flink.api.common.functions.ReduceFunction<T> reducer,
                                     org.apache.flink.api.java.functions.KeySelector<T,?> keySelector,
                                     org.apache.flink.api.common.typeutils.TypeSerializer<T> serializer,
                                     long countToSkip)

Method Detail

emitWindow

public void emitWindow(org.apache.flink.util.Collector<StreamWindow<T>> collector)

Overrides:

emitWindow in class TumblingGroupedPreReducer<T>

store

public void store(T element)
           throws Exception

Overrides:

store in class TumblingGroupedPreReducer<T>

Throws:

Exception