Examples of com.amazonaws.services.sqs.model.ChangeMessageVisibilityRequest

Package com.amazonaws.services.sqs.model

Examples of com.amazonaws.services.sqs.model.ChangeMessageVisibilityRequest

com.amazonaws.services.sqs.model.ChangeMessageVisibilityRequest
amazonwebservices.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/AboutVT.html"> Visibility Timeout in the Amazon SQS Developer Guide.)

For example, let's say you have a message and its default message visibility timeout is 30 minutes. You could call ChangeMessageVisiblity with a value of two hours and the effective timeout would be two hours and 30 minutes. When that time comes near you could again extend the time out by calling ChangeMessageVisiblity, but this time the maximum allowed timeout would be 9 hours and 30 minutes.

IMPORTANT:If you attempt to set the VisibilityTimeout to an amount more than the maximum time left, Amazon SQS returns an error. It will not automatically recalculate and increase the timeout to the maximum time remaining.

IMPORTANT:Unlike with a queue, when you change the visibility timeout for a specific message, that timeout value is applied immediately but is not saved in memory for that message. If you don't delete a message after it is received, the visibility timeout for the message the next time it is received reverts to the original timeout value, not the value you set with the ChangeMessageVisibility action.
@see com.amazonaws.services.sqs.AmazonSQS#changeMessageVisibility(ChangeMessageVisibilityRequest)

            this.repeatSeconds = repeatSeconds;
        }


        @Override
        public void run() {
            ChangeMessageVisibilityRequest request = new ChangeMessageVisibilityRequest(getQueueUrl(),
                    exchange.getIn().getHeader(SqsConstants.RECEIPT_HANDLE, String.class), repeatSeconds);


            try {
                LOG.trace("Extending visibility window by {} seconds for exchange {}", this.repeatSeconds, this.exchange);
                getEndpoint().getClient().changeMessageVisibility(request);

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            this.repeatSeconds = repeatSeconds;
        }


        @Override
        public void run() {
            ChangeMessageVisibilityRequest request = new ChangeMessageVisibilityRequest(getQueueUrl(),
                    exchange.getIn().getHeader(SqsConstants.RECEIPT_HANDLE, String.class), repeatSeconds);


            try {
                LOG.trace("Extending visibility window by {} seconds for exchange {}", this.repeatSeconds, this.exchange);
                getEndpoint().getClient().changeMessageVisibility(request);

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        if (useInlineApiCalls) {
          CQSAPI.changeMessageVisibility(cnsInternal.getUserId(), relativeQueueUrl, receiptHandle, visibilityTimeout);
        } else {
          String absoluteQueueUrl = Util.getAbsoluteQueueUrlForRelativeUrl(relativeQueueUrl);
          sqs.changeMessageVisibility(new ChangeMessageVisibilityRequest(absoluteQueueUrl, receiptHandle, visibilityTimeout));
        }
        
        long ts2 = System.currentTimeMillis();
        
        CMBControllerServlet.valueAccumulator.addToCounter(AccumulatorName.CNSCQSTime, ts2 - ts1);

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            int waitSeconds = 2;
            int waitedAlreadySeconds = 0;


            logger.info("Changing visibility timeout to " + timeoutSeconds);
            
            ChangeMessageVisibilityRequest changeMessageVisibilityRequest = new ChangeMessageVisibilityRequest(queueUrl, receiptHandle, timeoutSeconds);
            cqs1.changeMessageVisibility(changeMessageVisibilityRequest);
            
            messages = cqs1.receiveMessage(receiveMessageRequest).getMessages();
            
            // keep checking

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      if (vto > 0 && receiveCount == 1) {
        
        logger.info("event=change_vto vto=4 receipt_handle=" + msg.getReceiptHandle());
      
        ChangeMessageVisibilityRequest changeMessageVisibilityRequest = new ChangeMessageVisibilityRequest();
        changeMessageVisibilityRequest.setQueueUrl(queueUrl);
        changeMessageVisibilityRequest.setReceiptHandle(msg.getReceiptHandle());
        changeMessageVisibilityRequest.setVisibilityTimeout(4);
        
        cqs1.changeMessageVisibility(changeMessageVisibilityRequest);
        
      } else {

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        ReceiveMessageResult receiveMessageResult = cqs1.receiveMessage(receiveMessageRequest);


        count += receiveMessageResult.getMessages().size();
        
        for (Message msg : receiveMessageResult.getMessages()) {
          ChangeMessageVisibilityRequest changeMessageVisibilityRequest = new ChangeMessageVisibilityRequest(queueUrl, msg.getReceiptHandle(), 23);
          cqs1.changeMessageVisibility(changeMessageVisibilityRequest);
        }
        
        if (count >=1000) {
          break;

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          // push message out 11 sec
          
          logger.info("sleeping for 19 sec");
          Thread.sleep(19*1000);
          ChangeMessageVisibilityRequest changeMessageVisibilityRequest = new ChangeMessageVisibilityRequest();
          changeMessageVisibilityRequest.setVisibilityTimeout(11);
          changeMessageVisibilityRequest.setReceiptHandle(receiveMessageResult.getMessages().get(0).getReceiptHandle());
          changeMessageVisibilityRequest.setQueueUrl(queueUrl);
          cqs1.changeMessageVisibility(changeMessageVisibilityRequest);
          logger.info("changed visibility timeout to 11 sec");
          
          // push message out 10 sec
          
          logger.info("sleeping for 10 sec");
          Thread.sleep(10*1000);
          changeMessageVisibilityRequest = new ChangeMessageVisibilityRequest();
          changeMessageVisibilityRequest.setVisibilityTimeout(10);
          changeMessageVisibilityRequest.setReceiptHandle(receiveMessageResult.getMessages().get(0).getReceiptHandle());
          changeMessageVisibilityRequest.setQueueUrl(queueUrl);
          cqs1.changeMessageVisibility(changeMessageVisibilityRequest);
          logger.info("changed visibility timeout to 10 sec");
          
          // push message out 11 sec
          
          logger.info("sleeping for 9 sec");
          Thread.sleep(9*1000);
          changeMessageVisibilityRequest = new ChangeMessageVisibilityRequest();
          changeMessageVisibilityRequest.setVisibilityTimeout(11);
          changeMessageVisibilityRequest.setReceiptHandle(receiveMessageResult.getMessages().get(0).getReceiptHandle());
          changeMessageVisibilityRequest.setQueueUrl(queueUrl);
          cqs1.changeMessageVisibility(changeMessageVisibilityRequest);
          logger.info("changed visibility timeout to 11 sec");
          
        } else {
          fail ("no message found");

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