ConcurrencyUtils

java.lang.Object

org.apache.maven.surefire.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 boolean

countDownToZero(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
- countDownToZero
  
  public static boolean countDownToZero(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.