Status: New
Owner: ----
New issue 360 by aleksey.didik: Wrong scope visiting for LinkedKeyBinding
http://code.google.com/p/google-guice/issues/detail?id=360
Hello all,
I have a filling, Guice have a bug in scope visiting for LinkedKeyBinding
if target is scoped by annotation.
My steps:
1) create interface
2) create class and implement interface
3) annotate by @Singleton
4) bind interface to class
5) try to accept scoping visitor for LinkedKeyBinding
6) visitNoScoping method was called instead of visitScope.
If I bind only class, visitScope method is called correctly (see example).
If I bind interface to class and it's scoped by in(Scopes.SINGLETON)
visitScope methods is called correctly.
Guice version - current trunk.
My test:
public class LinkedKeyVisiting {
public static void main(String[] args) {
Injector inj = Guice.createInjector(new AbstractModule() {
@Override protected void configure() {
bind(Interfaze.class).to(WithInterface.class);
bind(WithoutInterface.class);
bind(Visitor.class).asEagerSingleton();
}
});
}
static interface Interfaze {}
@Singleton
static class WithInterface implements Interfaze {}
@Singleton
static class WithoutInterface {}
static class Visitor {
@Inject
public void visit(Injector inj) {
final Binding<?> withoutInterfaceBinding =
inj.getBinding(WithoutInterface.class);
withoutInterfaceBinding.acceptScopingVisitor(new
DefaultBindingScopingVisitor<Void>() {
@Override public Void visitScope(Scope scope) {
System.out.println(withoutInterfaceBinding.getKey() + " in
scope " + scope);
return null;
}
@Override public Void visitNoScoping() {
System.out.println(withoutInterfaceBinding.getKey() + " without
scope ");
return null;
}
});
final Binding<Interfaze> withInterfaceBinding =
inj.getBinding(Interfaze.class);
withInterfaceBinding.acceptTargetVisitor(new
DefaultBindingTargetVisitor<Interfaze, Void>() {
@Override
public Void visit(final LinkedKeyBinding<? extends Interfaze>
linkedKeyBinding) {
linkedKeyBinding.acceptScopingVisitor(new
DefaultBindingScopingVisitor<Void>() {
public Void visitScope(Scope scope) {
System.out.println(linkedKeyBinding.getKey() + " in scope " +
scope);
return null;
}
public Void visitNoScoping() {
System.out.println(linkedKeyBinding.getKey() + " without
scope ");
return null;
}
});
return null;
}
});
}
}
}
Class output:
Key[type=com.google.inject.LinkedKeyVisiting$WithoutInterface,
annotation=[none]] in scope Scopes.SINGLETON
Key[type=com.google.inject.LinkedKeyVisiting$Interfaze, annotation=[none]]
without scope
It's looks like a bug.
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