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https://issues.apache.org/jira/browse/CAMEL-5306?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13284889#comment-13284889
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Claus Ibsen commented on CAMEL-5306:
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Thanks for the patch. I got this into the trunk.
> Support for sending ChangeMessageVisibility calls while processing SQS
> messages
> -------------------------------------------------------------------------------
>
> Key: CAMEL-5306
> URL: https://issues.apache.org/jira/browse/CAMEL-5306
> Project: Camel
> Issue Type: New Feature
> Components: camel-aws
> Reporter: alex hutter
> Assignee: Claus Ibsen
> Priority: Minor
> Attachments: extendMessageVisibility.patch,
> extendMessageVisibility_v2.patch
>
>
> When consuming messages from SQS the visibilityTimeout property controls how
> long the consumer has to call deleteMessage before the message is
> re-delivered to another consumer. When processing messages that take an
> unpredicatible duration, such as requests to download large files, it is
> difficult to choose a good value for visibilityTimeout.
> SQS provides an API ChangeMessageVisibility that can be used to extend
> visbilityTimeout if a consumer determins that it is going to need longer to
> process the current message
> (http://docs.amazonwebservices.com/AWSSimpleQueueService/latest/APIReference/Query_QueryChangeMessageVisibility.html).
> I would like Camel to be able to handle the calling of
> ChangeMessageVisibility based on how long the message consuming code is
> taking to process the received message. Since Camel knows how long
> visibilityTimeout is set to it should be able to keep SQS notified that the
> processor is still running until it is ready to call deleteMessage.
> I have had a first attempt at solving this and my code is in the attached
> patch. This may not be a perfect solution so please provide me with feedback
> if you would like it changed before it is merged in.
> The patch was made against the 2.9.x branch and my working copy is:
> https://github.com/haku/camel .
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