org.apache.flink.streaming.runtime.io

类 CheckpointBarrierAligner

java.lang.Object

org.apache.flink.streaming.runtime.io.CheckpointBarrierHandler

org.apache.flink.streaming.runtime.io.CheckpointBarrierAligner

所有已实现的接口:

Closeable, AutoCloseable

@Internal
public class CheckpointBarrierAligner
extends CheckpointBarrierHandler

CheckpointBarrierAligner keep tracks of received CheckpointBarrier on given channels and controls the alignment, by deciding which channels should be blocked and when to release blocked channels.

方法概要

限定符和类型	方法和说明
void	abortPendingCheckpoint(long checkpointId, org.apache.flink.runtime.checkpoint.CheckpointException exception)
protected void	beginNewAlignment(long checkpointId, org.apache.flink.runtime.checkpoint.channel.InputChannelInfo channelInfo, long checkpointTimestamp)
long	getAlignmentDurationNanos()
long	getLatestCheckpointId()
int	getNumClosedChannels()
boolean	isBlocked(org.apache.flink.runtime.checkpoint.channel.InputChannelInfo channelInfo) Checks whether the channel with the given index is blocked.
protected boolean	isCheckpointPending()
protected void	onBarrier(org.apache.flink.runtime.checkpoint.channel.InputChannelInfo channelInfo) Blocks the given channel index, from which a barrier has been received.
void	processBarrier(org.apache.flink.runtime.io.network.api.CheckpointBarrier receivedBarrier, org.apache.flink.runtime.checkpoint.channel.InputChannelInfo channelInfo)
void	processCancellationBarrier(org.apache.flink.runtime.io.network.api.CancelCheckpointMarker cancelBarrier)
void	processEndOfPartition()
void	releaseBlocksAndResetBarriers()
String	toString()

从类继承的方法 org.apache.flink.streaming.runtime.io.CheckpointBarrierHandler

close, executeInTaskThread, getAllBarriersReceivedFuture, getBufferReceivedListener, getCheckpointStartDelayNanos, hasInflightData, markCheckpointStart, notifyAbort, notifyAbortOnCancellationBarrier, notifyCheckpoint

从类继承的方法 java.lang.Object

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

方法详细资料

abortPendingCheckpoint

public void abortPendingCheckpoint(long checkpointId,
                                   org.apache.flink.runtime.checkpoint.CheckpointException exception)
                            throws IOException

覆盖:

abortPendingCheckpoint 在类中 CheckpointBarrierHandler

抛出:

IOException

releaseBlocksAndResetBarriers

public void releaseBlocksAndResetBarriers()
                                   throws IOException

覆盖:

releaseBlocksAndResetBarriers 在类中 CheckpointBarrierHandler

抛出:

IOException

isBlocked

public boolean isBlocked(org.apache.flink.runtime.checkpoint.channel.InputChannelInfo channelInfo)

从类复制的说明: CheckpointBarrierHandler

Checks whether the channel with the given index is blocked.

覆盖:

isBlocked 在类中 CheckpointBarrierHandler

参数:

channelInfo - The channel index to check.

返回:

True if the channel is blocked, false if not.

processBarrier

public void processBarrier(org.apache.flink.runtime.io.network.api.CheckpointBarrier receivedBarrier,
                           org.apache.flink.runtime.checkpoint.channel.InputChannelInfo channelInfo)
                    throws Exception

指定者:

processBarrier 在类中 CheckpointBarrierHandler

抛出:

Exception

beginNewAlignment

protected void beginNewAlignment(long checkpointId,
                                 org.apache.flink.runtime.checkpoint.channel.InputChannelInfo channelInfo,
                                 long checkpointTimestamp)
                          throws IOException

抛出:

IOException

onBarrier

protected void onBarrier(org.apache.flink.runtime.checkpoint.channel.InputChannelInfo channelInfo)
                  throws IOException

Blocks the given channel index, from which a barrier has been received.

参数:

channelInfo - The channel to block.

抛出:

IOException

processCancellationBarrier

public void processCancellationBarrier(org.apache.flink.runtime.io.network.api.CancelCheckpointMarker cancelBarrier)
                                throws Exception

指定者:

processCancellationBarrier 在类中 CheckpointBarrierHandler

抛出:

Exception

processEndOfPartition

public void processEndOfPartition()
                           throws Exception

指定者:

processEndOfPartition 在类中 CheckpointBarrierHandler

抛出:

Exception

getLatestCheckpointId

public long getLatestCheckpointId()

指定者:

getLatestCheckpointId 在类中 CheckpointBarrierHandler

getAlignmentDurationNanos

public long getAlignmentDurationNanos()

覆盖:

getAlignmentDurationNanos 在类中 CheckpointBarrierHandler

isCheckpointPending

protected boolean isCheckpointPending()

指定者:

isCheckpointPending 在类中 CheckpointBarrierHandler

getNumClosedChannels

@VisibleForTesting
public int getNumClosedChannels()

toString

public String toString()

覆盖:

toString 在类中 Object