Hey
> Does anybody know how I can determine if my remote connection is still
> alive?
Call it and check for ConnectException.
> I am using a caching architecture for my home interfaces to avoid jndi -
> lookups, but when the connection to the server is broken I get lost. (not
in
> the factory but somewhere in user code, i.e. when the first network call
is
> made...)
>
> the schema ist something like this
>
> public class FactoryOnClientSide {
>
> protected DummyHome myDummyHome = null;
>
> public DummyHome getDummyHome() throws Exception{
> if ( myDummyHome == null)
> myDummyHome = (DummyHome)
>
PortableRemoteObject.narrow(getInitialContext().lookup("/dummies/dummy",Dumm
> yHome.class);
> else {
> // check if Remote Reference is still valid
> // else reconnect...
>
> }
> return myDummyHome;
> }
> }
>
> is there any method tho see if my peer is still alive?
> a. without making network calls ? (preferably :-))
> b. a general method for 'pinging' my peers.
> c. something less costly than calling a create and remove of a dummy
> object prior to each network call
Preemptive connection validity checking is not possible. I would recommend
using dynamic proxies and lazyloading instead. Much cleaner and simple to
implement.
/Rickard
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