Examples with HasDependencies com.google.inject.spi.HasDependencies used on opensource projects

Example 1 with HasDependencies

use of com.google.inject.spi.HasDependencies in project roboguice by roboguice.

the class MultibinderTest method testMultibinderDependenciesInToolStage.

/**
   * We just want to make sure that multibinder's binding depends on each of its values. We don't
   * really care about the underlying structure of those bindings, which are implementation details.
   */
public void testMultibinderDependenciesInToolStage() {
    Injector injector = Guice.createInjector(Stage.TOOL, new AbstractModule() {

        protected void configure() {
            Multibinder<String> multibinder = Multibinder.newSetBinder(binder(), String.class);
            multibinder.addBinding().toInstance("A");
            multibinder.addBinding().to(Key.get(String.class, Names.named("b")));
            bindConstant().annotatedWith(Names.named("b")).to("B");
        }
    });
    Binding<Set<String>> binding = injector.getBinding(new Key<Set<String>>() {
    });
    HasDependencies withDependencies = (HasDependencies) binding;
    InstanceBinding<?> instanceBinding = null;
    LinkedKeyBinding<?> linkedBinding = null;
    // the Key of @Named("b") String=B
    for (Dependency<?> dependency : withDependencies.getDependencies()) {
        Binding<?> b = injector.getBinding(dependency.getKey());
        if (b instanceof InstanceBinding) {
            if (instanceBinding != null) {
                fail("Already have an instance binding of: " + instanceBinding + ", and now want to add: " + b);
            } else {
                instanceBinding = (InstanceBinding) b;
            }
        } else if (b instanceof LinkedKeyBinding) {
            if (linkedBinding != null) {
                fail("Already have a linked binding of: " + linkedBinding + ", and now want to add: " + b);
            } else {
                linkedBinding = (LinkedKeyBinding) b;
            }
        } else {
            fail("Unexpected dependency of: " + dependency);
        }
    }
    assertNotNull(instanceBinding);
    assertNotNull(linkedBinding);
    assertEquals("A", instanceBinding.getInstance());
    assertEquals(Key.get(String.class, Names.named("b")), linkedBinding.getLinkedKey());
}

Example 2 with HasDependencies

use of com.google.inject.spi.HasDependencies in project roboguice by roboguice.

the class MultibinderTest method testMultibindingProviderDependencies.

public void testMultibindingProviderDependencies() {
    final Annotation setAnn = Names.named("foo");
    Injector injector = Guice.createInjector(new AbstractModule() {

        @Override
        protected void configure() {
            Multibinder<String> multibinder = Multibinder.newSetBinder(binder(), String.class, setAnn);
            multibinder.addBinding().toInstance("a");
            multibinder.addBinding().toInstance("b");
        }
    });
    HasDependencies providerBinding = (HasDependencies) injector.getBinding(new Key<Collection<Provider<String>>>(setAnn) {
    });
    HasDependencies setBinding = (HasDependencies) injector.getBinding(new Key<Set<String>>(setAnn) {
    });
    // sanity check the size
    assertEquals(setBinding.getDependencies().toString(), 2, setBinding.getDependencies().size());
    Set<Dependency<?>> expected = Sets.newHashSet();
    for (Dependency<?> dep : setBinding.getDependencies()) {
        Key key = dep.getKey();
        Dependency<?> providerDependency = Dependency.get(key.ofType(Types.providerOf(key.getTypeLiteral().getType())));
        expected.add(providerDependency);
    }
    assertEquals(expected, providerBinding.getDependencies());
}

Example 3 with HasDependencies

use of com.google.inject.spi.HasDependencies in project roboguice by roboguice.

the class MapBinderTest method recurseForDependencies.

private Set<String> recurseForDependencies(Injector injector, HasDependencies hasDependencies) {
    Set<String> elements = Sets.newHashSet();
    for (Dependency<?> dependency : hasDependencies.getDependencies()) {
        Binding<?> binding = injector.getBinding(dependency.getKey());
        HasDependencies deps = (HasDependencies) binding;
        if (binding instanceof InstanceBinding) {
            elements.add((String) ((InstanceBinding<?>) binding).getInstance());
        } else {
            elements.addAll(recurseForDependencies(injector, deps));
        }
    }
    return elements;
}

Example 4 with HasDependencies

use of com.google.inject.spi.HasDependencies in project roboguice by roboguice.

the class MapBinderTest method testMultibinderDependenciesInToolStage.

/** We just want to make sure that mapbinder's binding depends on the underlying multibinder. */
public void testMultibinderDependenciesInToolStage() {
    Injector injector = Guice.createInjector(Stage.TOOL, new AbstractModule() {

        @Override
        protected void configure() {
            MapBinder<Integer, String> mapBinder = MapBinder.newMapBinder(binder(), Integer.class, String.class);
            mapBinder.addBinding(1).toInstance("A");
            mapBinder.addBinding(2).to(Key.get(String.class, Names.named("b")));
            bindConstant().annotatedWith(Names.named("b")).to("B");
        }
    });
    Binding<Map<Integer, String>> binding = injector.getBinding(new Key<Map<Integer, String>>() {
    });
    HasDependencies withDependencies = (HasDependencies) binding;
    Key<?> setKey = new Key<Set<Map.Entry<Integer, Provider<String>>>>() {
    };
    assertEquals(ImmutableSet.<Dependency<?>>of(Dependency.get(setKey)), withDependencies.getDependencies());
}

Example 5 with HasDependencies

use of com.google.inject.spi.HasDependencies in project roboguice by roboguice.

the class OptionalBinderTest method testDependencies_default.

public void testDependencies_default() {
    Injector injector = Guice.createInjector(new AbstractModule() {

        @Override
        protected void configure() {
            OptionalBinder<String> optionalbinder = OptionalBinder.newOptionalBinder(binder(), String.class);
            optionalbinder.setDefault().toInstance("A");
        }
    });
    Binding<String> binding = injector.getBinding(Key.get(String.class));
    HasDependencies withDependencies = (HasDependencies) binding;
    Set<String> elements = Sets.newHashSet();
    elements.addAll(recurseForDependencies(injector, withDependencies));
    assertEquals(ImmutableSet.of("A"), elements);
}