Package org.apache.flink.streaming.api.functions.windowing

Class PassThroughAllWindowFunction<W extends Window,T>

java.lang.Object

org.apache.flink.streaming.api.functions.windowing.PassThroughAllWindowFunction<W,T>

All Implemented Interfaces:

Serializable, Function, AllWindowFunction<T,T,W>

@Internal
public class PassThroughAllWindowFunction<W extends Window,T>
extends Object
implements AllWindowFunction<T,T,W>

A AllWindowFunction that just emits each input element.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
PassThroughAllWindowFunction()

Method Summary

Modifier and Type	Method	Description
void	apply(W window, Iterable<T> input, Collector<T> out)	Evaluates the window and outputs none or several elements.

Methods inherited from class java.lang.Object

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

Constructor Detail

PassThroughAllWindowFunction

public PassThroughAllWindowFunction()

Method Detail

apply

public void apply(W window,
                  Iterable<T> input,
                  Collector<T> out)
           throws Exception

Description copied from interface: AllWindowFunction

Evaluates the window and outputs none or several elements.

Specified by:

apply in interface AllWindowFunction<T,T,W extends Window>

Parameters:

window - The window that is being evaluated.

input - The elements in the window being evaluated.

out - A collector for emitting elements.

Throws:

Exception - The function may throw exceptions to fail the program and trigger recovery.