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Made methods return boolean to indicate whether the update was 

successful or not.
This commit is contained in:
Simone Bordet 2014-09-12 12:58:35 +02:00
parent b0a3d0a159
commit f02194d405
1 changed files with 12 additions and 8 deletions
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20
jetty-util/src/main/java/org/eclipse/jetty/util/Atomics.java
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@ -27,47 +27,51 @@ public class Atomics
{
}
public static void updateMin(AtomicLong currentMin, long newValue)
public static boolean updateMin(AtomicLong currentMin, long newValue)
{
long oldValue = currentMin.get();
while (newValue < oldValue)
{
if (currentMin.compareAndSet(oldValue, newValue))
break;
return true;
oldValue = currentMin.get();
}
return false;
}
public static void updateMax(AtomicLong currentMax, long newValue)
public static boolean updateMax(AtomicLong currentMax, long newValue)
{
long oldValue = currentMax.get();
while (newValue > oldValue)
{
if (currentMax.compareAndSet(oldValue, newValue))
break;
return true;
oldValue = currentMax.get();
}
return false;
}
public static void updateMin(AtomicInteger currentMin, int newValue)
public static boolean updateMin(AtomicInteger currentMin, int newValue)
{
int oldValue = currentMin.get();
while (newValue < oldValue)
{
if (currentMin.compareAndSet(oldValue, newValue))
break;
return true;
oldValue = currentMin.get();
}
return false;
}
public static void updateMax(AtomicInteger currentMax, int newValue)
public static boolean updateMax(AtomicInteger currentMax, int newValue)
{
int oldValue = currentMax.get();
while (newValue > oldValue)
{
if (currentMax.compareAndSet(oldValue, newValue))
break;
return true;
oldValue = currentMax.get();
}
return false;
}
}