Package org.apache.flink.streaming.api.operators.collect

Class CheckpointedCollectResultBuffer<T>

java.lang.Object

org.apache.flink.streaming.api.operators.collect.AbstractCollectResultBuffer<T>

org.apache.flink.streaming.api.operators.collect.CheckpointedCollectResultBuffer<T>

public class CheckpointedCollectResultBuffer<T>
extends AbstractCollectResultBuffer<T>

A buffer which encapsulates the logic of dealing with the response from the CollectSinkFunction. It will consider the checkpoint related fields in the response. See Java doc of CollectSinkFunction for explanation of this communication protocol.

Constructor Summary

Constructors

Constructor	Description
CheckpointedCollectResultBuffer(org.apache.flink.api.common.typeutils.TypeSerializer<T> serializer)

Method Summary

Modifier and Type	Method	Description
protected void	maintainVisibility(long currentVisiblePos, long lastCheckpointedOffset)
protected void	sinkRestarted(long lastCheckpointedOffset)

Methods inherited from class org.apache.flink.streaming.api.operators.collect.AbstractCollectResultBuffer

complete, dealWithResponse, getOffset, getVersion, makeResultsVisible, next, reset, revert

Methods inherited from class java.lang.Object

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

Constructor Detail

CheckpointedCollectResultBuffer

public CheckpointedCollectResultBuffer(org.apache.flink.api.common.typeutils.TypeSerializer<T> serializer)

Method Detail

sinkRestarted

protected void sinkRestarted(long lastCheckpointedOffset)

Specified by:

sinkRestarted in class AbstractCollectResultBuffer<T>

maintainVisibility

protected void maintainVisibility(long currentVisiblePos,
                                  long lastCheckpointedOffset)

Specified by:

maintainVisibility in class AbstractCollectResultBuffer<T>