org.apache.flink.streaming.api.windowing

Class WindowEvent<T>

java.lang.Object

org.apache.flink.api.java.tuple.Tuple

org.apache.flink.api.java.tuple.Tuple2<T,Integer>

org.apache.flink.streaming.api.windowing.WindowEvent<T>

All Implemented Interfaces:

Serializable

public class WindowEvent<T>
extends org.apache.flink.api.java.tuple.Tuple2<T,Integer>

Type representing events sent to the window buffer. The first field should contain the window element the second field encodes triggers and evictions if the second field is greater than 0 it represents an eviction if it equals -1 it represents a trigger.

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.flink.api.java.tuple.Tuple2

f0, f1

Fields inherited from class org.apache.flink.api.java.tuple.Tuple

MAX_ARITY

Constructor Summary

Constructors

Constructor and Description
WindowEvent()

Method Summary

Modifier and Type	Method and Description
T	getElement()
Integer	getEviction()
boolean	isElement()
boolean	isEviction()
boolean	isTrigger()
WindowEvent<T>	setElement(T element)
WindowEvent<T>	setEviction(Integer n)
WindowEvent<T>	setTrigger()

Methods inherited from class org.apache.flink.api.java.tuple.Tuple2

copy, equals, getArity, getField, hashCode, setField, setFields, swap, toString

Methods inherited from class org.apache.flink.api.java.tuple.Tuple

getFieldNotNull, getTupleClass

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

WindowEvent

public WindowEvent()

Method Detail

isElement

public boolean isElement()

isEviction

public boolean isEviction()

isTrigger

public boolean isTrigger()

getEviction

public Integer getEviction()

getElement

public T getElement()

setElement

public WindowEvent<T> setElement(T element)

setTrigger

public WindowEvent<T> setTrigger()

setEviction

public WindowEvent<T> setEviction(Integer n)