Examples with IterableProvider org.glassfish.hk2.api.IterableProvider used on opensource projects

Example 11 with IterableProvider

use of org.glassfish.hk2.api.IterableProvider in project glassfish-hk2 by eclipse-ee4j.

the class ProvidesTest method testInstanceMethodProvidesPerLookupLifecycle.

/**
 * Verifies that the {@link PostConstruct} and {@link PreDestroy} methods of a
 * service are invoked at the expected times when the service was registered
 * from an instance {@link Provides} method and the service is per-lookup.
 */
@Test
public void testInstanceMethodProvidesPerLookupLifecycle() {
    ServiceLocator locator = createAndPopulateServiceLocator();
    ServiceLocatorUtilities.addClasses(locator, ProvidesListener.class, ProvidesLifecycle.class);
    ProvidedPerLookupInstanceMethodWithLifecycle serviceWithoutHandle = locator.getService(ProvidedPerLookupInstanceMethodWithLifecycle.class);
    assertNotNull(serviceWithoutHandle);
    assertFalse(serviceWithoutHandle.wasStarted());
    assertFalse(serviceWithoutHandle.wasStopped());
    assertNotSame(serviceWithoutHandle, locator.getService(ProvidedPerLookupInstanceMethodWithLifecycle.class));
    IterableProvider<ProvidedPerLookupInstanceMethodWithLifecycle> serviceProvider = locator.getService(new TypeLiteral<IterableProvider<ProvidedPerLookupInstanceMethodWithLifecycle>>() {
    }.getType());
    ServiceHandle<ProvidedPerLookupInstanceMethodWithLifecycle> serviceHandle = serviceProvider.getHandle();
    ProvidedPerLookupInstanceMethodWithLifecycle serviceWitHandle = serviceHandle.getService();
    assertNotNull(serviceWitHandle);
    assertFalse(serviceWitHandle.wasStarted());
    assertFalse(serviceWitHandle.wasStopped());
    serviceHandle.close();
    assertTrue(serviceWitHandle.wasStopped());
    locator.shutdown();
    assertFalse(serviceWithoutHandle.wasStopped());
}

Example 12 with IterableProvider

use of org.glassfish.hk2.api.IterableProvider in project glassfish-hk2 by eclipse-ee4j.

the class ProvidesTest method testProvidesOverrideMethodNoDuplicates.

/**
 * Verifies that when a {@link Contract} interface has a {@link Provides}
 * method, and then a concrete service class overrides that method and the
 * overridden method is also implemented with {@link Provides}, that they are
 * considered to be the same method and not counted as distinct providers.
 */
@Test
public void testProvidesOverrideMethodNoDuplicates() {
    ServiceLocator locator = createAndPopulateServiceLocator();
    ServiceLocatorUtilities.addClasses(locator, ProvidesListener.class, ProvidesGenericContracts.class);
    Set<String> expected = new HashSet<>(Arrays.asList("staticField", "instanceField", "staticMethod", "instanceMethod"));
    IterableProvider<OverrideBoxFromGenericProvidesContract<String>> overrides = locator.getService(new TypeLiteral<IterableProvider<OverrideBoxFromGenericProvidesContract<String>>>() {
    }.getType());
    assertEquals(expected.size(), overrides.getSize());
    assertEquals(expected, StreamSupport.stream(overrides.spliterator(), false).map(box -> box.value).collect(toSet()));
}

Example 13 with IterableProvider

use of org.glassfish.hk2.api.IterableProvider in project glassfish-hk2 by eclipse-ee4j.

the class ProvidesTest method testProvidesNullFromStaticField.

/**
 * Verifies that {@code null} may be provided from a static field annotated
 * with {@link Provides}.
 */
@Test
public void testProvidesNullFromStaticField() {
    ServiceLocator locator = createAndPopulateServiceLocator();
    ServiceLocatorUtilities.addClasses(locator, ProvidesListener.class, ProvidesNull.class);
    IterableProvider<NullFromStaticField> provider = locator.getService(new TypeLiteral<IterableProvider<NullFromStaticField>>() {
    }.getType());
    try (ServiceHandle<NullFromStaticField> handle = provider.getHandle()) {
        assertNull(handle.getService());
    }
}

Example 14 with IterableProvider

use of org.glassfish.hk2.api.IterableProvider in project glassfish-hk2 by eclipse-ee4j.

the class ProvidesTest method testNullServicesWithLifecycle.

/**
 * Verifies that if a service comes from a {@link Provides} method or field
 * and its type defines lifecycle methods, or the {@link Provides} annotation
 * defines a custom dispose method, that no errors are thrown when the service
 * is {@code null}.
 */
@Test
public void testNullServicesWithLifecycle() {
    ServiceLocator locator = createAndPopulateServiceLocator();
    ServiceLocatorUtilities.addClasses(locator, ProvidesListener.class, ProvidesNullWithLifecycle.class);
    IterableProvider<ServiceWithLifecycle> providers = locator.getService(new TypeLiteral<IterableProvider<ServiceWithLifecycle>>() {
    }.getType());
    assertEquals(12, providers.getSize());
    for (ServiceHandle<ServiceWithLifecycle> handle : providers.handleIterator()) {
        assertNull(handle.getService());
        handle.close();
    }
}

Example 15 with IterableProvider

use of org.glassfish.hk2.api.IterableProvider in project glassfish-hk2 by eclipse-ee4j.

the class ProvidesTest method testProvidesNullFromInstanceMethod.

/**
 * Verifies that {@code null} may be provided from an instance method
 * annotated with {@link Provides}.
 */
@Test
public void testProvidesNullFromInstanceMethod() {
    ServiceLocator locator = createAndPopulateServiceLocator();
    ServiceLocatorUtilities.addClasses(locator, ProvidesListener.class, ProvidesNull.class);
    IterableProvider<NullFromInstanceMethod> provider = locator.getService(new TypeLiteral<IterableProvider<NullFromInstanceMethod>>() {
    }.getType());
    try (ServiceHandle<NullFromInstanceMethod> handle = provider.getHandle()) {
        assertNull(handle.getService());
    }
}