org.apache.flink.streaming.runtime.io.checkpointing

Class BarrierAlignmentUtil

java.lang.Object

org.apache.flink.streaming.runtime.io.checkpointing.BarrierAlignmentUtil

@Internal
public class BarrierAlignmentUtil
extends Object

Utility for barrier alignment.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	BarrierAlignmentUtil.Cancellable A handle to a delayed action which can be cancelled.
static interface	BarrierAlignmentUtil.DelayableTimer It can register a task to be executed some time later.

Constructor Summary

Constructors

Constructor and Description
BarrierAlignmentUtil()

Method Summary

Modifier and Type	Method and Description
static BarrierAlignmentUtil.DelayableTimer	createRegisterTimerCallback(org.apache.flink.api.common.operators.MailboxExecutor mailboxExecutor, TimerService timerService)
static long	getTimerDelay(org.apache.flink.util.clock.Clock clock, org.apache.flink.runtime.io.network.api.CheckpointBarrier announcedBarrier)

Methods inherited from class java.lang.Object

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

Constructor Detail

BarrierAlignmentUtil

public BarrierAlignmentUtil()

Method Detail

getTimerDelay

public static long getTimerDelay(org.apache.flink.util.clock.Clock clock,
                                 org.apache.flink.runtime.io.network.api.CheckpointBarrier announcedBarrier)

createRegisterTimerCallback

public static BarrierAlignmentUtil.DelayableTimer createRegisterTimerCallback(org.apache.flink.api.common.operators.MailboxExecutor mailboxExecutor,
                                                                              TimerService timerService)