Re: [ecf-dev] Using a container multiple times

[Scott Lewis <slewis@xxxxxxxxxxxxx>]

Hi Robert,

On 11/5/2010 3:09 AM, Robert Onslow wrote:
> <stuff deleted>
> ...
>
> Thus I have got a SharedObject and a Remote Service off the same container.

That's great....I didn't get that there was a timing of notification issue.

> Thanks, Scott. And hope this helps other ECF newbies.

I think it probably does...thanks much for discussing publicly.  If you 
have any inclination and time, it might make sense to create a wiki page 
about this and make it available off of the ECF wiki:  
http://wiki.eclipse.org/ECF

Thanks for both using ECF and for contributing to it's ongoing development.

Scott









> Robert
>
> On Thu, Nov 4, 2010 at 9:48 PM, Scott Lewis<slewis@xxxxxxxxxxxxx>  wrote:
> > Hi Robert,
> >
> > On 11/4/2010 2:35 PM, Robert Onslow wrote:
> > > Scott
> > > I have decided to go with the ECF method at the moment, because it
> > > gives me more control over discovery etc. and I can also like to
> > > retain responsibility for creating the container
> > >
> > > So on the client side, I will wait for the container connection, then
> > > pick up the shared object, then pick up the remote service:
> > >
> > > container =
> > > manager.getContainerFactory().createContainer("ecf.generic.client");
> > > container.addListener(new IContainerListener() {
> > >
> > > @Override
> > > public void handleEvent(IContainerEvent event) {
> > >         if (event instanceof IContainerConnectedEvent)
> > >         try {
> > > ID id = IDFactory.getDefault().createID(container.getConnectNamespace(),
> > > uri.toString());
> > > //pick up the shared object
> > >
> > > ISharedObjectContainer soc =
> > > (ISharedObjectContainer) ((IAdaptable)
> > > container).getAdapter(ISharedObjectContainer.class);
> > >
> > >
> > >
> > >                               ISharedObjectManager manager =
> > > soc.getSharedObjectManager();
> > > EventAdmin admin = new DistributedEventAdmin(context);
> > > ID id1 =
> > > IDFactory.getDefault().createStringID("uk.co.xlegal.xbundle3.remote");
> > > Properties props = new Properties();
> > > props.put(EventConstants.EVENT_TOPIC, "uk_co_xlegal_xbundle3_remote");
> > > manager.addSharedObject(id1, (ISharedObject) admin, props);
> > > ((DistributedEventAdmin) admin).start();
> > >
> > > //now pick up the remote service
> > >
> > > IRemoteServiceContainerAdapter rsc = (IRemoteServiceContainerAdapter)
> > > ((IAdaptable) container).getAdapter(IRemoteServiceContainerAdapter.class);
> > >
> > >                                       IRemoteServiceReference[] refs =
> > > rsc.getRemoteServiceReferences(((IContainerConnectedEvent)
> > > event).getTargetID(), StateProvider.class.getName(), null);
> > > StateProvider provider = (StateProvider) rsc.getRemoteService(refs[0]);
> > > Map<String, Object>    state = provider.provideState();
> > > syncBundles(state);
> > >
> > >
> > > } catch (Exception e) {
> > >
> > >                                       Log.log(Log.ERROR, e.getMessage());
> > > }
> > > }
> > > });
> > > container.connect(id, null);
> > >
> > > I'm finding that refs is null. Looking inside rsc, I see that the
> > > remoteRegistry array is empty.
> > > Have I missed a step in initialising the
> > > IRemoteServiceContainerAdapter on the client side?
> > I don't think so...I think probably the issue is that you should use this
> > lookup method (note the ID[] first param, rather than ID):
> >
> > IRemoteServiceReference[] refs =
> > rsc.getRemoteServiceReferences(new ID[] { ((IContainerConnectedEvent)
> > event).getTargetID() }, StateProvider.class.getName(), null);
> >
> > I have other commitments right now so can't explain at the moment, but I
> > suspect that this will deal with this situation.
> >
> > Scott
> >
> >
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