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From "Timothy Bish (JIRA)" <jira+amq...@apache.org>
Subject [jira] Created: (AMQNET-271) Add support for a Message Transformer to be set in NMS API
Date Thu, 12 Aug 2010 20:15:47 GMT
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
    Affects Versions: 1.3.0
            Reporter: Timothy Bish
            Assignee: Jim Gomes
            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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