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From "Timothy Bish (JIRA)" <jira+amq...@apache.org>
Subject [jira] Commented: (AMQNET-271) Add support for a Message Transformer to be set in NMS API
Date Sun, 29 Aug 2010 19:04:40 GMT

    [ https://issues.apache.org/activemq/browse/AMQNET-271?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=61490#action_61490
] 

Timothy Bish commented on AMQNET-271:
-------------------------------------

Implemented the change in NMS, NMS.ActiveMQ, NMS.Stomp, and NMS.MSMQ.  Can't build NMS.EMS
so couldn't do that one.

> Add support for a Message Transformer to be set in NMS API
> ----------------------------------------------------------
>
>                 Key: AMQNET-271
>                 URL: https://issues.apache.org/activemq/browse/AMQNET-271
>             Project: ActiveMQ .Net
>          Issue Type: Improvement
>          Components: ActiveMQ, EMS, MSMQ, NMS, Stomp
>    Affects Versions: 1.3.0
>            Reporter: Timothy Bish
>            Assignee: Timothy Bish
>            Priority: Minor
>             Fix For: 1.4.0
>
>
> Add support in the NMS API for users to set an custom MessageTransformer on the NMS object:

> IConnectionFactory
> IConnection
> ISession
> IMessageProducer
> IMessageConsumer
> The transformer would be an instance of IMessageTransformer which provides two methods:
> {noformat}
>     /// <summary>
>     /// Interface for a class that can Transform a Message from one type to another either
>     /// before consumption or before sent by a producer.
>     /// </summary>
>     public interface IMessageTransformer
>     {
>         /// <summary>
>         /// Called from an IMessageProducer prior to sending the IMessage, allows the
client
>         /// to perform a transformation on the Message prior to it being sent.  This
allows a
>         /// client to configure a single Producer to convert a Message to a format that
can be
>         /// processed by a specific receiving client.
>         /// </summary>
>         IMessage ProducerTransform(ISession session, IMessageProducer producer, IMessage
message);
>         /// <summary>
>         /// Called from an IMessageConsumer prior to dispatching the message to the client
either
>         /// by the 'Receive' methods or from the async listener event.  Allows the client
to perform
>         /// message pre-processing before some messages are dispatched into the client
code.
>         /// </summary>
>         IMessage ConsumerTransform(ISession session, IMessageConsumer producer, IMessage
message);
>     }
> {noformat}

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