Package org.apache.maven.surefire.api.util.internal

Class ConcurrencyUtils

java.lang.Object

org.apache.maven.surefire.api.util.internal.ConcurrencyUtils

public final class ConcurrencyUtils
extends Object

Concurrency utilities.

Since:

2.19

Author:

Tibor Digana (tibor17)

Method Summary

Modifier and Type	Method	Description
static void	runIfZeroCountDown(Runnable runner, AtomicInteger counter)	Decreases counter to zero, or does not change the counter if negative.

Methods inherited from class java.lang.Object

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

Method Details

runIfZeroCountDown

public static void runIfZeroCountDown(Runnable runner,
 AtomicInteger counter)

Decreases counter to zero, or does not change the counter if negative. This method pretends been atomic. Only one thread can succeed setting the counter to zero.

Parameters:

runner - run if this Thread has concurrently decremented the counter down to zero

counter - atomic counter