Allow thread safe access to proxy with requestContext usage..
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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
Priority: Minor
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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