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

Class FoldingWindowBuffer.Factory<T,ACC>

java.lang.Object

org.apache.flink.streaming.runtime.operators.windowing.buffers.FoldingWindowBuffer.Factory<T,ACC>

All Implemented Interfaces:

Serializable, WindowBufferFactory<T,ACC,FoldingWindowBuffer<T,ACC>>

Enclosing class:

FoldingWindowBuffer<T,ACC>

public static class FoldingWindowBuffer.Factory<T,ACC>
extends Object
implements WindowBufferFactory<T,ACC,FoldingWindowBuffer<T,ACC>>

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Factory(org.apache.flink.api.common.functions.FoldFunction<T,ACC> foldFunction, ACC initialValue, org.apache.flink.api.common.typeutils.TypeSerializer<ACC> accSerializer)

Method Summary

Modifier and Type	Method and Description
FoldingWindowBuffer<T,ACC>	create() Creates a new WindowBuffer.
FoldingWindowBuffer<T,ACC>	restoreFromSnapshot(org.apache.flink.core.memory.DataInputView in) Restores a WindowBuffer from a previous snapshot written using WindowBuffer.snapshot(DataOutputView).

Methods inherited from class java.lang.Object

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

Constructor Detail

Factory

public Factory(org.apache.flink.api.common.functions.FoldFunction<T,ACC> foldFunction,
               ACC initialValue,
               org.apache.flink.api.common.typeutils.TypeSerializer<ACC> accSerializer)

Method Detail

create

public FoldingWindowBuffer<T,ACC> create()

Description copied from interface: WindowBufferFactory

Creates a new WindowBuffer.

Specified by:

create in interface WindowBufferFactory<T,ACC,FoldingWindowBuffer<T,ACC>>

restoreFromSnapshot

public FoldingWindowBuffer<T,ACC> restoreFromSnapshot(org.apache.flink.core.memory.DataInputView in)
                                               throws IOException

Description copied from interface: WindowBufferFactory

Restores a WindowBuffer from a previous snapshot written using WindowBuffer.snapshot(DataOutputView).

Specified by:

restoreFromSnapshot in interface WindowBufferFactory<T,ACC,FoldingWindowBuffer<T,ACC>>

Throws:

IOException