Hi Rupert You can have a servicereference as argument to the bind method and dereference them when the prerequisites are met.
Cheers, Reto On Nov 18, 2011 11:48 AM, "Rupert Westenthaler" < [email protected]> wrote: > Hi > > The situation (in pseudo code) > > @Component(configurationFactory = true) > MyServiceImpl { > > ServiceTracker requiredServiceTracker; > > void activate(ComponentContext context) { > //create Filter based on properties of the context > Filter filter; > requiredServiceTracker = new ServiceTracker(filter); > } > > } > > What I want to do is to switch Component instances to "unsatisfied" as > soon as the required service becomes unavailable and back to the "activate" > state as soon as it becomes available again. > > If I would use @Reference than the Declarative Services would take care of > activating the service as soon as all dependencies are available. However I > con not use @Reference here, because the parameter for the Filter are only > available at runtime an filters in @Reference annotations need to be static. > > So basically I am searching for a way (interface, extension point) that > allows me to use the same System with "runtime" dependencies. > > any Ideas? > > best > Rupert
