[jboss-jira] [JBoss JIRA] Closed: (JBREM-315) allow chaining of marshaller/unmarshallers

[David Lloyd (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBREM-315?page=all ]

David Lloyd closed JBREM-315.
-----------------------------

    Resolution: Done
      Assignee:     (was: Tom  Elrod)

The idea is sound - but implementation-wise, the interceptor stack should be negotiated between the two participants rather than relying on a static configuration.  This will be designed in to Remoting 3.

> allow chaining of marshaller/unmarshallers
> ------------------------------------------
>
>                 Key: JBREM-315
>                 URL: http://jira.jboss.com/jira/browse/JBREM-315
>             Project: JBoss Remoting
>          Issue Type: Feature Request
>      Security Level: Public(Everyone can see) 
>          Components: marshall
>    Affects Versions: 1.4.0 final
>            Reporter: Tom  Elrod
>
> I was thinking of paired marshaller/unmarshaller, which would be
> beneficial for more than just this example (compressing payload comes to
> mind).  Would like to be able to declare a chain of marshallers.  For
> example:
> <marshallers>
> <marshaller>org.jboss.remoting.marshall.CompressedMarshaller</marshaller>
> <marshaller>org.jboss.remoting.marshall.InvocationMarshaller</marshaller>
> <marshaller>org.jboss.remoting.marshall.CountingMarshaller</marshaller>
> </marshallers>
> <unmarshallers>
> <unmarshaller>org.jboss.remoting.marshall.InvocationUnMarshaller</unmarshaller>
> <unmarshaller<org.jboss.remoting.marshall.CompressedUnMarshaller</unmarshaller>
> of course packaging and order may not be correct in this example.  Just
> trying to show how would be nice to configure the chain that is used and
> that would not require to by symmetrical if didn't want to.
> In this example, the CompressedMarshaller would compress the payload,
> then write to the InvocationMarshaller, which would write to the
> CountingMarshaller, which would then keep track of number of bytes
> written and send notifications as was being written.  On the server
> side, might not need to know number of bytes being read, so would just
> have the InvocationUnMarshaller, then CompressedUnMarshaller to
> uncompress the payload.

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