org.apache.flink.runtime.iterative.concurrent

Class SuperstepBarrier

java.lang.Object

org.apache.flink.runtime.iterative.concurrent.SuperstepBarrier

All Implemented Interfaces:

EventListener

public class SuperstepBarrier
extends Object
implements EventListener

A resettable one-shot latch.

Constructor Summary

Constructors

Constructor and Description
SuperstepBarrier(ClassLoader userCodeClassLoader)

Method Summary

Methods

Modifier and Type	Method and Description
void	eventOccurred(AbstractTaskEvent event) barrier will release the waiting thread if an event occurs
Value[]	getAggregates()
String[]	getAggregatorNames()
void	setup() setup the barrier, has to be called at the beginning of each superstep
boolean	terminationSignaled()
void	waitForOtherWorkers() wait on the barrier

Methods inherited from class java.lang.Object

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

Constructor Detail

SuperstepBarrier

public SuperstepBarrier(ClassLoader userCodeClassLoader)

Method Detail

setup

public void setup()

setup the barrier, has to be called at the beginning of each superstep

waitForOtherWorkers

public void waitForOtherWorkers()
                         throws InterruptedException

wait on the barrier

Throws:

InterruptedException

getAggregatorNames

public String[] getAggregatorNames()

getAggregates

public Value[] getAggregates()

eventOccurred

public void eventOccurred(AbstractTaskEvent event)

barrier will release the waiting thread if an event occurs

Specified by:

eventOccurred in interface EventListener

Parameters:

event - the task event which has occurred

terminationSignaled

public boolean terminationSignaled()