org.apache.flink.streaming.api.operators.windowing

Class StreamWindowBuffer<T>

java.lang.Object

org.apache.flink.streaming.api.operators.AbstractStreamOperator<StreamWindow<T>>

org.apache.flink.streaming.api.operators.windowing.StreamWindowBuffer<T>

All Implemented Interfaces:

Serializable, OneInputStreamOperator<WindowEvent<T>,StreamWindow<T>>, StreamOperator<StreamWindow<T>>

Direct Known Subclasses:

GroupedWindowBuffer

public class StreamWindowBuffer<T>
extends AbstractStreamOperator<StreamWindow<T>>
implements OneInputStreamOperator<WindowEvent<T>,StreamWindow<T>>

This operator manages the window buffers attached to the discretizers.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.flink.streaming.api.operators.StreamOperator

StreamOperator.ChainingStrategy

Field Summary

Fields

Modifier and Type	Field and Description
protected WindowBuffer<T>	buffer

Fields inherited from class org.apache.flink.streaming.api.operators.AbstractStreamOperator

chainingStrategy, executionConfig, inputCopyDisabled, output, runtimeContext

Constructor Summary

Constructors

Constructor and Description
StreamWindowBuffer(WindowBuffer<T> buffer)

Method Summary

Modifier and Type	Method and Description
protected void	handleWindowEvent(WindowEvent<T> windowEvent, WindowBuffer<T> buffer)
void	processElement(WindowEvent<T> windowEvent)

Methods inherited from class org.apache.flink.streaming.api.operators.AbstractStreamOperator

close, disableInputCopy, getChainingStrategy, isInputCopyingDisabled, open, setChainingStrategy, setup

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.streaming.api.operators.StreamOperator

close, getChainingStrategy, isInputCopyingDisabled, open, setChainingStrategy, setup

Field Detail

buffer

protected WindowBuffer<T> buffer

Constructor Detail

StreamWindowBuffer

public StreamWindowBuffer(WindowBuffer<T> buffer)

Method Detail

processElement

public void processElement(WindowEvent<T> windowEvent)
                    throws Exception

Specified by:

processElement in interface OneInputStreamOperator<WindowEvent<T>,StreamWindow<T>>

Throws:

Exception

handleWindowEvent

protected void handleWindowEvent(WindowEvent<T> windowEvent,
                                 WindowBuffer<T> buffer)
                          throws Exception

Throws:

Exception