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From "Sanjay Radia (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7524) Change RPC to allow multiple protocols including multuple versions of the same protocol
Date Mon, 08 Aug 2011 00:40:27 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7524?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13080705#comment-13080705
] 

Sanjay Radia commented on HADOOP-7524:
--------------------------------------

Attached patch allows the server to support multiple protocols including multiple versions
of the same protocol.

* Server can add additional protocols and protocolImpls to a rpc server using #RPC.addProtocol
* Server side keeps a list of protocols and versions
* Can add an annotation to a protocol to give its protocol name (default is the class name
as before) this
allows one to use different classes to implement different versions of the same protocol.
* Better support for Mixins (call now contains the declaring class along with method name).
* Inherited interfaces automatically added (this allows compatibility with old usage and also
allows mixins)
* See ipc/TestMulitpleProtocolServer for examples

> Change RPC to allow multiple protocols including multuple versions of the same protocol
> ---------------------------------------------------------------------------------------
>
>                 Key: HADOOP-7524
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7524
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Sanjay Radia
>            Assignee: Sanjay Radia
>


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