Examples of com.cloudhopper.mq.queue.QueueTake.take()

com.cloudhopper.mq.queue.QueueTake.take()

Takes an item from the front of the queue. This method will wait forever to acquire the lock in order to take the item from the queue. @return The first item in the queue or null if the item was not taken. @throws QueueInvalidStateException Thrown if the queue is in an invalidstate such as being destroyed. @throws QueueFatalException Thrown if there is a fatal error while attemptingto complete the operation. @throws DataStoreFatalException Thrown if there is an error with the underlyingDataStore. @throws InterruptedException Thrown if the calling thread is interruptedwhile this method is attempting to complete.

    
    // Option 2: Exits on timeout. (because of put contention or takes from another thread).
    //           Reschedules if queueSize is still non-zero.
    QueueTake take = localQueue.getTemporarySession();
    try {
        item = take.take(dqm.getConfiguration().getRemotingTakeTimeout());
    } catch (QueueTimeoutException te) {
        dqm.incrementRemotingTakeTimeouts();
        logger.debug("[{}] Timeout waiting to take from Queue. Size = {}. Item = {}", new Object[] { localQueue.getName(), localQueue.getSize(), item });
    }

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