As mentioned earlier, doing this is as simple as:
// In each module that has a service:
Multibinder<Service> multibinder = Multibinder.newSetBinder(binder(),
Service.class);
multibinder.addBinding().to(MyService.class);
// In one main module:
@Provides ServiceManager provideServiceManager(Set<Service> services) {
return new ServiceManager(services);
}
// And in your app:
@Inject ServiceManager serviceManager;
void start() {
serviceManager.startAsync().awaitHealthy();
}
sam
On Fri, Oct 3, 2014 at 6:40 PM, Martin Grajcar <[email protected]> wrote:
> On Fri, Oct 3, 2014 at 8:26 AM, Kevin Burton <[email protected]> wrote:
>
>> Hm.. only that won't work... I guess this is due to type erasure? fun!
>>
>> com.google.inject.CreationException: Unable to create injector, see the
>> following errors:
>>
>> 1) T cannot be used as a key; It is not fully specified.
>>
>
>
> If @Provides T getValue() could work, then it'd provide everything, or
> wouldn't it?
>
> I might be completely wrong, but why don't you use
> com.google.common.util.concurrent?
>
> - wrap every service as a subclass of AbstractService (just 2 simple
> methods)
> - write a class requiring all of them
> - and passing them to a ServiceManager
> - call ServiceManager#startAsync to start them all
> - call ServiceManager#stopAsync to stop them all
> - do whatever else it offers
>
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