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

Class java.util.concurrent.atomic.AtomicInteger

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

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

    for (int i = 0; i < 5000; i++) {
      rpcClient.cancelConnections(sn.getHostname(), sn.getPort());
      Thread.sleep(5);
    }


    step.compareAndSet(1, 2);
    // The test may fail here if the thread doing the gets is stuck. The way to find
    //  out what's happening is to look for the thread named 'testConnectionCloseThread'
    TEST_UTIL.waitFor(40000, new Waiter.Predicate<Exception>() {
      @Override
      public boolean evaluate() throws Exception {

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                            throw new IllegalStateException("Streams interleaved. Expected StreamId: " +
                                    currentStreamId + " but was: " + stream.getId());
                        dataInfo.consume(dataInfo.available());
                        if (dataInfo.isClose())
                        {
                            currentStreamId.compareAndSet(currentStreamId.get(), currentStreamId.get() + 2);
                            dataReceivedOrder.add(stream.getId());
                            allPushDataReceivedLatch.countDown();
                        }
                        LOG.info(stream.getId() + ":" + dataInfo);
                    }

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                    }
                    
                    
                    // If we were the one who changed the level, we also change the baseCount 
                    // back to 0
                    if (round.compareAndSet(rnd, rnd + 1)) {
                        baseCount.set(0);
                    }
                    
                   
                    // We first have to wait twice, as otherwise an other thread

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                        e.printStackTrace();
                    }


                    // Increase the level afterwards. If we were the one who changed the level,
                    // we also change the baseCount back to 0
                    if (level.compareAndSet(lvl, lvl + 1)) {
                        baseCount.set(0);
                    }


                    // And get new parameters
                    lvl = level.get();

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      while (true) {
        int oldValue = existingCounter.get();
        if (oldValue != 0) {
          try {
            int newValue = IntMath.checkedAdd(oldValue, occurrences);
            if (existingCounter.compareAndSet(oldValue, newValue)) {
              // newValue can't == 0, so no need to check & remove
              return oldValue;
            }
          } catch (ArithmeticException overflow) {
            throw new IllegalArgumentException("Overflow adding " + occurrences

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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);
                                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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