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phaniIIB
PostPosted: Thu Mar 31, 2016 12:04 pm    Post subject: Batch of messages from MQ usign Java Compute Node Reply with quote

Acolyte

Joined: 28 Jul 2015
Posts: 51
Hi all,

How to retrieve a batch of messages together from MQ using Java compute node.

Thanks,
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Vitor
PostPosted: Thu Mar 31, 2016 12:10 pm    Post subject: Re: Batch of messages from MQ usign Java Compute Node Reply with quote

Grand High Poobah

Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
phaniIIB wrote:
How to retrieve a batch of messages together from MQ using Java compute node.


You don't.

All MQ interaction is handled by the broker through the 3 MQ nodes. Attempting to access the queue manager directly will (at best) break the transactionality of your flow and (at worst) bring the broker down round your ears.

If you want to process a group of messages from MQ, use the MQ grouping feature, read them with an MQInput node and pass the group to your JCN.

If you want to process a batch of unconnected messages from MQ because you (for example) want to perform a batch update of a database, rethink your design.
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mqjeff
PostPosted: Thu Mar 31, 2016 1:23 pm    Post subject: Reply with quote

Grand Master

Joined: 25 Jun 2008
Posts: 17447
Or any of the other nodes that let you collect or aggregate messages.
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