org.apache.flink.streaming.runtime.operators.windowing.buffers

Interface WindowBufferFactory<T,B extends WindowBuffer<T>>

Type Parameters:

T - The type of elements that the created WindowBuffer can store.

B - The type of the created WindowBuffer

All Superinterfaces:

Serializable

All Known Implementing Classes:

HeapWindowBuffer.Factory, PreAggregatingHeapWindowBuffer.Factory

public interface WindowBufferFactory<T,B extends WindowBuffer<T>>
extends Serializable

A factory for WindowBuffers.

Method Summary

Methods

Modifier and Type	Method and Description
void	close() Calls close() on eventual user functions inside the buffer.
B	create() Creates a new WindowBuffer.
void	open(Configuration config) Calls open() on eventual user functions inside the buffer.
void	setRuntimeContext(RuntimeContext ctx) Sets the RuntimeContext that is used to initialize eventual user functions inside the created buffers.

Method Detail

setRuntimeContext

void setRuntimeContext(RuntimeContext ctx)

Sets the RuntimeContext that is used to initialize eventual user functions inside the created buffers.

open

void open(Configuration config)
          throws Exception

Calls open() on eventual user functions inside the buffer.

Throws:

Exception

close

void close()
           throws Exception

Calls close() on eventual user functions inside the buffer.

Throws:

Exception

create

B create()

Creates a new WindowBuffer.