Package java.util.concurrent.atomic

Examples of java.util.concurrent.atomic.AtomicInteger.compareAndSet()

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    }
    while (true) {
      int oldValue = existingCounter.get();
      if (oldValue != 0) {
        int newValue = Math.max(0, oldValue - occurrences);
        if (existingCounter.compareAndSet(oldValue, newValue)) {
          if (newValue == 0) {
            // Just CASed to 0; remove the entry to clean up the map. If the removal fails,
            // another thread has already replaced it with a new counter, which is fine.
            countMap.remove(element, existingCounter);
          }
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      int oldValue = existingCounter.get();
      if (oldValue < occurrences) {
        return false;
      }
      int newValue = oldValue - occurrences;
      if (existingCounter.compareAndSet(oldValue, newValue)) {
        if (newValue == 0) {
          // Just CASed to 0; remove the entry to clean up the map. If the removal fails,
          // another thread has already replaced it with a new counter, which is fine.
          countMap.remove(element, existingCounter);
        }
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                    }
                }
                @Override
                public void handleResultComplete() {
                    synchronized(failureResult) {
                        status.compareAndSet(0, 1);
                        failureResult.notify();
                    }
                }
                @Override
                public void handleFailed(ModelNode failureDescription) {
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                }
                @Override
                public void handleFailed(ModelNode failureDescription) {
                    synchronized(failureResult) {
                        failureResult.set(failureDescription);
                        status.compareAndSet(0, 2);
                        failureResult.notify();
                    }
                }
                @Override
                public void handleCancellation() {
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                    }
                }
                @Override
                public void handleCancellation() {
                    synchronized(failureResult) {
                        status.compareAndSet(0, 3);
                        failureResult.notify();
                    }
                }
            };
            final OperationResult result = BasicModelController.this.execute(resolveContext, resolveHandler, operationExecutionContext, false);
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                            }
                        }
                        @Override
                        public void handleResultComplete() {
                            synchronized(failureResult) {
                                status.compareAndSet(0, 1);
                                if(count.decrementAndGet() == 0) {
                                    handleComplete();
                                }
                            }
                        }
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                        public void handleFailed(ModelNode failureDescription) {
                            synchronized(failureResult) {
                                if(failureDescription != null)  {
                                    failureResult.add(failureDescription);
                                }
                                status.compareAndSet(0, 2);
                                if(count.decrementAndGet() == 0) {
                                    handleComplete();
                                }
                            }
                        }
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                            }
                        }
                        @Override
                        public void handleCancellation() {
                            synchronized(failureResult) {
                                status.compareAndSet(0, 3);
                                if(count.decrementAndGet() == 0) {
                                    handleComplete();
                                }
                            }
                        }
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        if (i != 0)
        {
          try
          {
            int j = IntMath.checkedAdd(i, paramInt);
            if (localAtomicInteger1.compareAndSet(i, j))
              return i;
          }
          catch (ArithmeticException localArithmeticException)
          {
            throw new IllegalArgumentException("Overflow adding " + paramInt + " occurrences to a count of " + i);
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    {
      int i = localAtomicInteger.get();
      if (i != 0)
      {
        int j = Math.max(0, i - paramInt);
        if (localAtomicInteger.compareAndSet(i, j))
        {
          if (j == 0)
            this.countMap.remove(paramObject, localAtomicInteger);
          return i;
        }
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