[jira] Assigned: (CXF-1410) Allow thread safe access to proxy with requestContext usage..

["Daniel Kulp (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CXF-1410?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Daniel Kulp reassigned CXF-1410:
--------------------------------

    Assignee: Daniel Kulp

> Allow thread safe access to proxy with requestContext usage..
> -------------------------------------------------------------
>
>                 Key: CXF-1410
>                 URL: https://issues.apache.org/jira/browse/CXF-1410
>             Project: CXF
>          Issue Type: Improvement
>          Components: JAX-WS Runtime
>    Affects Versions: 2.0.4
>            Reporter: Gary Tully
>            Assignee: Daniel Kulp
>            Priority: Minor
>             Fix For: 2.1
>
>         Attachments: mt_context.patch
>
>
> It should be possible to cache a proxy and provide thread safe access to it. For example, the following code should work from multiple threads with deterministic results:
>         Greeter greeter = // get cached proxy
>         InvocationHandler handler = Proxy.getInvocationHandler(greeter);
>         Map<String, Object> requestContext = ((BindingProvider)handler).getRequestContext();
>         String threadSpecificaddress = // ... 
>         requestContext.put(BindingProvider.ENDPOINT_ADDRESS_PROPERTY, threadSpecificaddress);
> the proposal is to implement thread local request contexts and manage the mapping from shared proxy request contexts to the thread local.The synchronization point is on a call to getRequestContext. the return is a snapshot of the current shared proxy request context map.
> The map is such that it will echo modifications into the shared map. But further modifications to teh shared map will not be visible to the calling thread until  subsequent getRequestContext call is made.
> In other words, an invoke works with a copy of the thread local context which takes into account modifications to the shared context at the time of the getRequestContextCall()

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