Comment #50 on issue 62 by limpbizkit: Lifecycle support
http://code.google.com/p/google-guice/issues/detail?id=62
Dhanji and I discussed this at length this evening. We're thinking about
taking a Service interface, inspired by the one in Guava, with these
methods. Note that start() is renamed to startAsync() and likewise for stop:
interface Service {
boolean isRunning();
State state();
Future<State> startAsync();
void startAndWait();
Future<State> stopAsync();
void stopAndWait();
}
http://code.google.com/p/guava-libraries/source/browse/trunk/src/com/google/common/base/Service.java?r=49
In addition, we'd like to support listeners on services, so objects could
register to be notified when a service changes state. The granularity of
registration may be by service instance or perhaps by Guice Key.
We were also discussing the interplay between services and scopes. It might
be useful to create a scope that's keyed off of a Provider<Service> for a
particular service, and whose objects are in scope only while a service is
running. This idea isn't fully baked.
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