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By: a guest on
May 4th, 2012 | syntax:
None | size: 1.56 KB | hits: 13 | expires: Never
Does GIN support anything like child injectors?
GIN Modules:
Core - shared
MetadataCache - one per sub-application
UserProvider - one per sub-application
public class Thing {
private static int thingCount = 0;
private int index;
public Thing() {
index = thingCount++;
}
public int getIndex() {
return index;
}
}
public class SharedThing extends Thing {
}
public class ThingOwner1 {
private Thing thing;
private SharedThing shared;
@Inject
public ThingOwner1(Thing thing, SharedThing shared) {
this.thing = thing;
this.shared = shared;
}
@Override
public String toString() {
return "" + this.thing.getIndex() + ":" + this.shared.getIndex();
}
}
public class ThingOwner2 extends ThingOwner1 {
@Inject
public ThingOwner2(Thing thing, SharedThing shared) {
super(thing, shared);
}
}
public class MyPrivateModule1 extends PrivateGinModule {
@Override
protected void configure() {
bind(Thing.class).in(Singleton.class);
bind(ThingOwner1.class).in(Singleton.class);
}
}
public class MySharedModule extends AbstractGinModule {
@Override
protected void configure() {
bind(SharedThing.class).in(Singleton.class);
}
}
@GinModules({MyPrivateModule1.class, MyPrivateModule2.class, MySharedModule.class})
public interface MyGinjector extends Ginjector {
ThingOwner1 getOwner1();
ThingOwner2 getOwner2();
}
System.out.println(injector.getOwner1().toString());
System.out.println(injector.getOwner2().toString());