Package com.amazon.sqs.javamessaging.acknowledge

Class NegativeAcknowledger

java.lang.Object

com.amazon.sqs.javamessaging.acknowledge.BulkSQSOperation

com.amazon.sqs.javamessaging.acknowledge.NegativeAcknowledger

public class NegativeAcknowledger
extends BulkSQSOperation

Used to negative acknowledge of group of messages.

Negative acknowledge resets the visibility timeout of a message, so that the message can be immediately available to consume. This is mostly used on recover and close methods.

Negative acknowledge can potentially cause duplicate deliveries.

Constructor Summary

Constructors

Constructor	Description
NegativeAcknowledger(AmazonSQSMessagingClientWrapper amazonSQSClient)

Method Summary

Modifier and Type	Method	Description
void	action(String queueUrl, List<String> receiptHandles)	Action call block for negative acknowledge for the list of receipt handles.
void	bulkAction(ArrayDeque<SQSMessageConsumerPrefetch.MessageManager> messageQueue, String queueUrl)	Bulk action for negative acknowledge on the list of messages of a specific queue.

Methods inherited from class com.amazon.sqs.javamessaging.acknowledge.BulkSQSOperation

bulkAction

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NegativeAcknowledger

public NegativeAcknowledger(AmazonSQSMessagingClientWrapper amazonSQSClient)

Method Detail

bulkAction

public void bulkAction(ArrayDeque<SQSMessageConsumerPrefetch.MessageManager> messageQueue,
                       String queueUrl)
                throws javax.jms.JMSException

Bulk action for negative acknowledge on the list of messages of a specific queue.

Parameters:

messageQueue - Container for the list of message managers.

queueUrl - The queueUrl of the messages, which they received from.

Throws:

javax.jms.JMSException - If action throws.

action

public void action(String queueUrl,
                   List<String> receiptHandles)
            throws javax.jms.JMSException

Action call block for negative acknowledge for the list of receipt handles. This action can be applied on multiple messages for the same queue.

Specified by:

action in class BulkSQSOperation

Parameters:

queueUrl - The queueUrl of the queue, which the receipt handles belong.

receiptHandles - The list of handles, which is be used to negative acknowledge the messages via using changeMessageVisibilityBatch.

Throws:

javax.jms.JMSException - If changeMessageVisibilityBatch throws.