Examples with Scope com.google.inject.Scope used on opensource projects

Example 1 with Scope

use of com.google.inject.Scope in project roboguice by roboguice.

the class CheckedProviderTest method testProvisionExceptionOnDependenciesOfCxtor.

public void testProvisionExceptionOnDependenciesOfCxtor() throws Exception {
    Injector injector = Guice.createInjector(new AbstractModule() {

        @Override
        protected void configure() {
            ThrowingProviderBinder.create(binder()).bind(RemoteProvider.class, Foo.class).providing(ProvisionExceptionFoo.class);
            bindScope(BadScope.class, new Scope() {

                @Override
                public <T> Provider<T> scope(Key<T> key, Provider<T> unscoped) {
                    return new Provider<T>() {

                        @Override
                        public T get() {
                            throw new OutOfScopeException("failure");
                        }
                    };
                }
            });
        }
    });
    try {
        injector.getInstance(Key.get(remoteProviderOfFoo)).get();
        fail();
    } catch (ProvisionException pe) {
        assertEquals(2, pe.getErrorMessages().size());
        List<Message> messages = Lists.newArrayList(pe.getErrorMessages());
        assertEquals("Error in custom provider, com.google.inject.OutOfScopeException: failure", messages.get(0).getMessage());
        assertEquals("Error in custom provider, com.google.inject.OutOfScopeException: failure", messages.get(1).getMessage());
    }
}

Example 2 with Scope

use of com.google.inject.Scope in project roboguice by roboguice.

the class OverrideModuleTest method testOverrideScopeAnnotation.

public void testOverrideScopeAnnotation() {
    final Scope scope = new Scope() {

        public <T> Provider<T> scope(Key<T> key, Provider<T> unscoped) {
            throw new AssertionError("Should not be called");
        }
    };
    final SingleUseScope replacementScope = new SingleUseScope();
    Module original = new AbstractModule() {

        @Override
        protected void configure() {
            bindScope(TestScopeAnnotation.class, scope);
            bind(Date.class).in(TestScopeAnnotation.class);
        }
    };
    Module replacements = new AbstractModule() {

        @Override
        protected void configure() {
            bindScope(TestScopeAnnotation.class, replacementScope);
        }
    };
    Injector injector = createInjector(Modules.override(original).with(replacements));
    injector.getInstance(Date.class);
    assertTrue(replacementScope.used);
}

Example 3 with Scope

use of com.google.inject.Scope in project roboguice by roboguice.

the class OverrideModuleTest method testFailsIfOverridenScopeInstanceHasBeenUsed.

public void testFailsIfOverridenScopeInstanceHasBeenUsed() {
    final Scope scope = new Scope() {

        public <T> Provider<T> scope(Key<T> key, Provider<T> unscoped) {
            return unscoped;
        }

        @Override
        public String toString() {
            return "ORIGINAL SCOPE";
        }
    };
    final Module original = new AbstractModule() {

        @Override
        protected void configure() {
            bindScope(TestScopeAnnotation.class, scope);
            bind(Date.class).in(scope);
            bind(String.class).in(scope);
        }
    };
    Module originalWrapper = new AbstractModule() {

        @Override
        protected void configure() {
            install(original);
        }
    };
    Module replacements = new AbstractModule() {

        @Override
        protected void configure() {
            bindScope(TestScopeAnnotation.class, new SingleUseScope());
        }
    };
    try {
        createInjector(Modules.override(originalWrapper).with(replacements));
        fail("Exception expected");
    } catch (CreationException e) {
        assertContains(e.getMessage(), "1) The scope for @TestScopeAnnotation is bound directly and cannot be overridden.", "original binding at " + original.getClass().getName() + ".configure(", asModuleChain(originalWrapper.getClass(), original.getClass()), "bound directly at " + original.getClass().getName() + ".configure(", asModuleChain(originalWrapper.getClass(), original.getClass()), "bound directly at " + original.getClass().getName() + ".configure(", asModuleChain(originalWrapper.getClass(), original.getClass()), "at ", replacements.getClass().getName() + ".configure(", asModuleChain(Modules.OverrideModule.class, replacements.getClass()));
    }
}

Example 4 with Scope

use of com.google.inject.Scope in project guice by google.

the class CheckedProviderTest method testProvisionExceptionOnDependenciesOfCxtor.

public void testProvisionExceptionOnDependenciesOfCxtor() throws Exception {
    Injector injector = Guice.createInjector(new AbstractModule() {

        @Override
        protected void configure() {
            ThrowingProviderBinder.create(binder()).bind(RemoteProvider.class, Foo.class).providing(ProvisionExceptionFoo.class);
            bindScope(BadScope.class, new Scope() {

                @Override
                public <T> Provider<T> scope(final Key<T> key, Provider<T> unscoped) {
                    return new Provider<T>() {

                        @Override
                        public T get() {
                            throw new OutOfScopeException("failure: " + key.toString());
                        }
                    };
                }
            });
        }
    });
    try {
        injector.getInstance(Key.get(remoteProviderOfFoo)).get();
        fail();
    } catch (ProvisionException pe) {
        assertEquals(2, pe.getErrorMessages().size());
        List<Message> messages = Lists.newArrayList(pe.getErrorMessages());
        assertEquals("Error in custom provider, com.google.inject.OutOfScopeException: failure: " + Key.get(Unscoped1.class), messages.get(0).getMessage());
        assertEquals("Error in custom provider, com.google.inject.OutOfScopeException: failure: " + Key.get(Unscoped2.class), messages.get(1).getMessage());
    }
}

Example 5 with Scope

use of com.google.inject.Scope in project guice by google.

the class ScopeBindingProcessor method visit.

@Override
public Boolean visit(ScopeBinding command) {
    Scope scope = checkNotNull(command.getScope(), "scope");
    Class<? extends Annotation> annotationType = checkNotNull(command.getAnnotationType(), "annotation type");
    if (!Annotations.isScopeAnnotation(annotationType)) {
        errors.missingScopeAnnotation(annotationType);
    // Go ahead and bind anyway so we don't get collateral errors.
    }
    if (!Annotations.isRetainedAtRuntime(annotationType)) {
        errors.missingRuntimeRetention(annotationType);
    // Go ahead and bind anyway so we don't get collateral errors.
    }
    ScopeBinding existing = injector.state.getScopeBinding(annotationType);
    if (existing != null) {
        if (!scope.equals(existing.getScope())) {
            errors.duplicateScopes(existing, annotationType, scope);
        }
    } else {
        injector.state.putScopeBinding(annotationType, command);
    }
    return true;
}