Example usage for com.amazonaws.services.sqs.model QueueAttributeName ApproximateNumberOfMessages

Introduction

In this page you can find the example usage for com.amazonaws.services.sqs.model QueueAttributeName ApproximateNumberOfMessages.

Prototype

QueueAttributeName ApproximateNumberOfMessages

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Usage

From source file:org.duracloud.common.queue.aws.SQSTaskQueue.java

License:Apache License

@Override
public Integer size() {
    GetQueueAttributesResult result = queryQueueAttributes(QueueAttributeName.ApproximateNumberOfMessages);
    String sizeStr = result.getAttributes().get(QueueAttributeName.ApproximateNumberOfMessages.name());
    Integer size = Integer.parseInt(sizeStr);
    return size;//from   ww  w.j  a va 2  s  . c  o m
}

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From source file:org.duracloud.common.queue.aws.SQSTaskQueue.java

License:Apache License

@Override
public Integer sizeIncludingInvisibleAndDelayed() {
    GetQueueAttributesResult result = queryQueueAttributes(QueueAttributeName.ApproximateNumberOfMessages,
            QueueAttributeName.ApproximateNumberOfMessagesNotVisible,
            QueueAttributeName.ApproximateNumberOfMessagesDelayed);
    Map<String, String> attributes = result.getAttributes();
    int size = 0;
    for (String attrKey : attributes.keySet()) {
        String value = attributes.get(attrKey);
        log.debug("retrieved attribute: {}={}", attrKey, value);
        int intValue = Integer.parseInt(value);
        size += intValue;/*w  ww  . ja v a 2s.  co m*/
    }
    log.debug("calculated size: {}", size);
    return size;
}

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