On Thursday 15 May 2008 20:06:44 Vinh Nguyen (vinguye2) wrote:

Hallo,

I started to implement the Producer-creator. It will still take some time for 
me to understand how muse works, but maybe you can tell me if I got it 
correctly:

> Chris is correct.  Jan, I think what you are looking for is a resource
> which creates other producer resources.  In this case, you need to create a
> custom resource (i.e. call it FactoryService) which exposes some operation
> (i.e. createProducer()).  You also need another custom resource that

The code was taken form the pullpoint class you mentioned:

public class MyAdvertisementCapability extends AbstractWsResourceCapability 
implements AdvertisementCapability {

// is called to create a new producer
        public EndpointReference addAdvertisement() throws SoapFault {
                ResourceManager manager = getResource().getResourceManager();

                String endpoint = getAdvertiseContextPath();
                WsResource advertise = null;

                advertise = (WsResource) manager.createResource(endpoint);
                
                EndpointReference epr = advertise.getEndpointReference();

                return epr;
        }

        @Override
        public void initialize() throws SoapFault {
                super.initialize();

                //
                // find pullpoint resource type so we can create instances of it
                // in createPullPoint()
                //
                ResourceManager manager = getResource().getResourceManager();
                advertisePath = 
manager.getResourceContextPath(AdvertisementCapability.class);
        }
}

Just to make things clear: If I set up the muse.xml so that the wsdl of my 
advertise maps to the AdvertisementCapability.class, then this class above is 
called?

The next step would be then to create the notificationproducer and put the EPR 
into the response?

> implements wsn:NotificationProducer (i.e. call it ProducerResource).
>
> So when FactoryService.createProducer() is called, it must dynamically
> create a new instance of ProducerResource and pass the EPR back to the
> client.  Then the client can Subscribe/Unsubscribe directly on that new
> ProducerResource instance.


Thanks again,


(Chris, I have your link still in mind, but It may be useful for me to start 
from scratch at least for a prototype in order to understand how muse works)


Jan
-- 
Jan Torben Heuer                Institute for Geoinformatics
[EMAIL PROTECTED]       Robert-Koch-Strasse 26-28
+49 251 83-31960                48151 Münster, Germany

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