Java Code Examples for java.util.concurrent.atomic.AtomicLong#getAndDecrement()

The following examples show how to use java.util.concurrent.atomic.AtomicLong#getAndDecrement() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ProducerAndConsumerBench.java    From qpid-jms with Apache License 2.0 6 votes vote down vote up 
private void publishMessages(AtomicLong count) throws Exception {
    JmsConnection connection = (JmsConnection) factory.createConnection();
    connection.start();
    Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    Queue queue = session.createQueue(getDestinationName());

    MessageProducer producer = session.createProducer(queue);
    producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);

    while (count.getAndDecrement() > 0) {
        BytesMessage message = session.createBytesMessage();
        message.writeBytes(payload);
        producer.send(message);
        if ((count.get() % 10000) == 0) {
            LOG.info("Sent message: {}", NUM_SENDS - count.get());
        }
    }
    producer.close();
    connection.close();
}
Example 2
Source File: AtomicBooleanDemo.java    From JavaCommon with Apache License 2.0 5 votes vote down vote up 
public static void main(String[] args) {
    AtomicBoolean atomicBoolean = new AtomicBoolean();
    atomicBoolean.getAndSet(true);

    AtomicLong atomicLong = new AtomicLong();
    atomicLong.getAndDecrement();

    AtomicInteger atomicInteger = new AtomicInteger();
    atomicInteger.incrementAndGet();
}
Example 3
Source File: FormAuthenticationWithLockFilter.java    From DWSurvey with GNU Affero General Public License v3.0 5 votes vote down vote up 
public void decreaseAccountLoginAttempts(ServletRequest request) {
    AtomicLong initValue = new AtomicLong(maxLoginAttempts);
    AtomicLong remainLoginAttempts = accountLockMap.putIfAbsent(getUsername(request), new AtomicLong(maxLoginAttempts));
    if (remainLoginAttempts == null) {
        remainLoginAttempts = initValue;
    }
    remainLoginAttempts.getAndDecrement();
    accountLockMap.put(getUsername(request), remainLoginAttempts);
}
Example 4
Source File: Extract.java    From bazel-buildfarm with Apache License 2.0 5 votes vote down vote up 
static Runnable blobGetter(
    Path root,
    String instanceName,
    Digest digest,
    ByteStreamStub bsStub,
    AtomicLong outstandingOperations,
    ListeningScheduledExecutorService retryService) {
  if (digest.getSizeBytes() == 0) {
    return () -> outstandingOperations.getAndDecrement();
  }
  return new Runnable() {
    @Override
    public void run() {
      Path file = root.resolve(digest.getHash());
      try {
        if (!Files.exists(file) || Files.size(file) != digest.getSizeBytes()) {
          System.out.println("Getting blob " + digest.getHash() + "/" + digest.getSizeBytes());
          try (OutputStream out = Files.newOutputStream(file)) {
            try (InputStream in = newInput(instanceName, digest, bsStub, retryService)) {
              ByteStreams.copy(in, out);
            }
          }
        }
      } catch (IOException e) {
        e.printStackTrace();
      }
      outstandingOperations.getAndDecrement();
    }
  };
}