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From "Shani Elharrar (JIRA)" <>
Subject [jira] [Commented] (AMQNET-470) Allow Setting Callback after sending command asynchronously via Transport.
Date Fri, 07 Feb 2014 19:21:19 GMT


Shani Elharrar commented on AMQNET-470:

Timothy - Should I add the delegate (optional) parameter to the IMessageProducer interface

> Allow Setting Callback after sending command asynchronously via Transport.
> --------------------------------------------------------------------------
>                 Key: AMQNET-470
>                 URL:
>             Project: ActiveMQ .Net
>          Issue Type: New Feature
>          Components: NMS
>            Reporter: Shani Elharrar
>            Assignee: Jim Gomes
>            Priority: Minor
>              Labels: easyfix, features, newbie
>   Original Estimate: 2h
>  Remaining Estimate: 2h
> Hi.
> I have a "system" that processes a lot of messages (~3000 per second) asynchronously.
I'm trying to move to ActiveMQ as the primary message broker. 
> My configuration is that I consume messages from ActiveMQ queue (Using individual Acks),
I do some processing, And then send them to another queue (In the ActiveMQ). Transactions
aren't so Important to me since I can handle message duplicates in case of crash. But I do
want to Ack the messages only after I send them to the ActiveMQ. 
> So I want to have a Callback after sending the message Asynchronously to ActiveMQ.
> I managed to edit NMS code to support this, What i've done is :
> * Added "Callbackable" interface with one property (setter & getter) which is a delegate
equivalent to Action (void, empty arguments).
> * Modified Command and IActiveMQMessage to "extend" that interface
> * Modified CommandBase to implement the interface (Trivial setter/getter)
> * Modified TCPTransport.Oneway method to check if the callback isn't null and if not
- invoke it (After it marshals the message).
> And it worked flawlessly.
> First of all, I need you to vote in/against the feature, And if it's accepted - I'm willing
to create a patch for this.

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