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From Andrea Smyth <>
Subject Re: Registering a listener to server events
Date Tue, 09 Jan 2007 07:54:12 GMT
Hi Sean,

Sounds good to me. There is no such mechanism at the moment, all we have 
is the BusLifeCycleListener and BusLifeCyclemanager APIs. The latter 
are  not widely used yet and may be replaced by support for JSR 250 
@PreDestroy, see, which is 
not suitable for on-demand servers.
Endpoint.stop would  be the better point to release resources associated 
with a server endpoint in RM then Bus.shutdown.
It may even be useful to have a similar thing on the client side (proxy 
creation would be OK, but there is no such thing as proxy destroy in the 
JAX-WS APIs, not in the underlying CXF APIs. Maybe we can think about 
that to at some time, but for server side endpoint a mechanisms like the 
below definitely seems useful to me.
BTW getEndpoint should be added to the Server API - currently its only a 
public method in ServerImpl, requiring annoying casts.


O'Callaghan, Sean wrote:

>I'd like to be able to recieve notification of when an endpoints server starts and stops,
and get info on that server instance.
>At the moment there does not appear to be anyway to hook into such lifecycle so would
like to propose adding in a ServerLifeCycleManager and ServerLifeCycleListener to the api's.
>Something along the lines of :
>org.apache.cxf.endpoint.ServerLifeCycleManager { 
>        startServer(org.apache.cxf.endpoint.Server server)
>        stopServer(org.apache.cxf.endpoint.Server  server)
>        registerListener(ServerLifeCycleListener listener)
>        unRegisterListener(ServerLifeCycleListener listener)
>    }
>  org.apache.cxf.endpoint.ServerLifeCycleListener {
>        startServer(org.apache.cxf.endpoint.Server server)
>        stopServer(org.apache.cxf.endpoint.Server server) 
>  }
>where the ServerImpl would be modified to access the ServerLifeCycleManager.
>Does this approach seem okay to people or is there another mechanism already within CXF
that can do this.

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