Now I see your point, it much more clear now :)
The only issue that is still opened - ability to get list of services
that implement the same interface, something like that:
public List getServices(Class interfaceClass){
List l = (List) _servicePointsByInterface.get(interfaceClass);
return l;
}
Is it possible to add getServices(Class) to Registry interface?
On Thu, 2005-04-28 at 17:19, James Carman wrote:
> So, you want to allow the users to choose which implementation type they
> want, right? Then, define two different service points with the same
> interface, but give them different ids (of course) corresponding to the
> different implementations. Another approach would involve writing your own
> service model which chooses which implementation type to instantiate using
> some sort of thread-local parameter (which you'd have to set prior to
> invoking of course).
>
> -----Original Message-----
> From: Igor Laberov [mailto:[EMAIL PROTECTED]
> Sent: Thursday, April 28, 2005 10:11 AM
> To: [email protected]
> Subject: Re: Multiple implementations for service
>
>
> These 2 options don't allow to have more than one service implementation in
> the same time. Current Registry interface doesn't allow this, because it
> have only
> getService() that returns single implementation only.
>
> Is it possible to override Registry service?
>
> Thanks,
> Igor
>
> On Wed, 2005-04-27 at 14:35, Johan Lindquist wrote:
> > Two options - have two service points (same service interface is
> > allowed,
> > just name the service point will be have to differ) or use the override
> > functionality (http://jakarta.apache.org/hivemind/current/override.html)
> >
> > Cheers,
> >
> > Johan
> >
> > On 27 Apr 2005 14:33:46 +0300, Igor Laberov <[EMAIL PROTECTED]>
> > wrote:
> >
> > > Hi again,
> > > In our application we want to have multiple implementation classes
> > > for one service. So .xml file will look like <service-point
> > > id="Part" /> <implementation service-id="Part">
> > > <create-instance class="one.PartImpl"/>
> > > </implementation>
> > > <implementation service-id="Part">
> > > <create-instance class="two.PartImpl"/>
> > > </implementation>
> > >
> > > At startup user will choose implementation that he want to work with
> > > (and its id will be stored), and later user operations will be
> > > associated with selected implementation.
> > >
> > > As I see from RegistryBuilder code, it is not allowed to have 2
> > > implementation. Can you point me to other way having several service
> > > implementation? Or may be I can override some system service?
> > >
> > > Thank you,
> > > Igor Laberov
> > > Qlusters, Inc.
> > >
> > >
> > >
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> > >
> >
> >
> >
> > --
> > you too?
> >
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>
>
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