org.apache.maven.surefire.util.internal

Class ConcurrencyUtils

java.lang.Object

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

public final class ConcurrencyUtils
extends java.lang.Object

Concurrency utilities.

Since:

2.19

Constructor Summary

Constructors

Modifier	Constructor and Description
private	ConcurrencyUtils()

Method Summary

Modifier and Type	Method and Description
static boolean	countDownToZero(java.util.concurrent.atomic.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

Constructor Detail

ConcurrencyUtils

private ConcurrencyUtils()

Method Detail

countDownToZero

public static boolean countDownToZero(java.util.concurrent.atomic.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:

counter - atomic counter

Returns:

true if this Thread modified concurrent counter from any positive number down to zero.