Examples with ObjectFactory org.springframework.beans.factory.ObjectFactory used on opensource projects

Example 1 with ObjectFactory

use of org.springframework.beans.factory.ObjectFactory in project spring-boot by spring-projects.

the class RestarterTests method getOrAddAttributeWithNewAttribute.

@Test
@SuppressWarnings("rawtypes")
public void getOrAddAttributeWithNewAttribute() throws Exception {
    ObjectFactory objectFactory = mock(ObjectFactory.class);
    given(objectFactory.getObject()).willReturn("abc");
    Object attribute = Restarter.getInstance().getOrAddAttribute("x", objectFactory);
    assertThat(attribute).isEqualTo("abc");
}

Example 2 with ObjectFactory

use of org.springframework.beans.factory.ObjectFactory in project spring-framework by spring-projects.

the class AbstractBeanFactory method doGetBean.

/**
	 * Return an instance, which may be shared or independent, of the specified bean.
	 * @param name the name of the bean to retrieve
	 * @param requiredType the required type of the bean to retrieve
	 * @param args arguments to use when creating a bean instance using explicit arguments
	 * (only applied when creating a new instance as opposed to retrieving an existing one)
	 * @param typeCheckOnly whether the instance is obtained for a type check,
	 * not for actual use
	 * @return an instance of the bean
	 * @throws BeansException if the bean could not be created
	 */
@SuppressWarnings("unchecked")
protected <T> T doGetBean(final String name, final Class<T> requiredType, final Object[] args, boolean typeCheckOnly) throws BeansException {
    final String beanName = transformedBeanName(name);
    Object bean;
    // Eagerly check singleton cache for manually registered singletons.
    Object sharedInstance = getSingleton(beanName);
    if (sharedInstance != null && args == null) {
        if (logger.isDebugEnabled()) {
            if (isSingletonCurrentlyInCreation(beanName)) {
                logger.debug("Returning eagerly cached instance of singleton bean '" + beanName + "' that is not fully initialized yet - a consequence of a circular reference");
            } else {
                logger.debug("Returning cached instance of singleton bean '" + beanName + "'");
            }
        }
        bean = getObjectForBeanInstance(sharedInstance, name, beanName, null);
    } else {
        // We're assumably within a circular reference.
        if (isPrototypeCurrentlyInCreation(beanName)) {
            throw new BeanCurrentlyInCreationException(beanName);
        }
        // Check if bean definition exists in this factory.
        BeanFactory parentBeanFactory = getParentBeanFactory();
        if (parentBeanFactory != null && !containsBeanDefinition(beanName)) {
            // Not found -> check parent.
            String nameToLookup = originalBeanName(name);
            if (args != null) {
                // Delegation to parent with explicit args.
                return (T) parentBeanFactory.getBean(nameToLookup, args);
            } else {
                // No args -> delegate to standard getBean method.
                return parentBeanFactory.getBean(nameToLookup, requiredType);
            }
        }
        if (!typeCheckOnly) {
            markBeanAsCreated(beanName);
        }
        try {
            final RootBeanDefinition mbd = getMergedLocalBeanDefinition(beanName);
            checkMergedBeanDefinition(mbd, beanName, args);
            // Guarantee initialization of beans that the current bean depends on.
            String[] dependsOn = mbd.getDependsOn();
            if (dependsOn != null) {
                for (String dep : dependsOn) {
                    if (isDependent(beanName, dep)) {
                        throw new BeanCreationException(mbd.getResourceDescription(), beanName, "Circular depends-on relationship between '" + beanName + "' and '" + dep + "'");
                    }
                    registerDependentBean(dep, beanName);
                    getBean(dep);
                }
            }
            // Create bean instance.
            if (mbd.isSingleton()) {
                sharedInstance = getSingleton(beanName, new ObjectFactory<Object>() {

                    @Override
                    public Object getObject() throws BeansException {
                        try {
                            return createBean(beanName, mbd, args);
                        } catch (BeansException ex) {
                            // Explicitly remove instance from singleton cache: It might have been put there
                            // eagerly by the creation process, to allow for circular reference resolution.
                            // Also remove any beans that received a temporary reference to the bean.
                            destroySingleton(beanName);
                            throw ex;
                        }
                    }
                });
                bean = getObjectForBeanInstance(sharedInstance, name, beanName, mbd);
            } else if (mbd.isPrototype()) {
                // It's a prototype -> create a new instance.
                Object prototypeInstance = null;
                try {
                    beforePrototypeCreation(beanName);
                    prototypeInstance = createBean(beanName, mbd, args);
                } finally {
                    afterPrototypeCreation(beanName);
                }
                bean = getObjectForBeanInstance(prototypeInstance, name, beanName, mbd);
            } else {
                String scopeName = mbd.getScope();
                final Scope scope = this.scopes.get(scopeName);
                if (scope == null) {
                    throw new IllegalStateException("No Scope registered for scope name '" + scopeName + "'");
                }
                try {
                    Object scopedInstance = scope.get(beanName, new ObjectFactory<Object>() {

                        @Override
                        public Object getObject() throws BeansException {
                            beforePrototypeCreation(beanName);
                            try {
                                return createBean(beanName, mbd, args);
                            } finally {
                                afterPrototypeCreation(beanName);
                            }
                        }
                    });
                    bean = getObjectForBeanInstance(scopedInstance, name, beanName, mbd);
                } catch (IllegalStateException ex) {
                    throw new BeanCreationException(beanName, "Scope '" + scopeName + "' is not active for the current thread; consider " + "defining a scoped proxy for this bean if you intend to refer to it from a singleton", ex);
                }
            }
        } catch (BeansException ex) {
            cleanupAfterBeanCreationFailure(beanName);
            throw ex;
        }
    }
    // Check if required type matches the type of the actual bean instance.
    if (requiredType != null && bean != null && !requiredType.isAssignableFrom(bean.getClass())) {
        try {
            return getTypeConverter().convertIfNecessary(bean, requiredType);
        } catch (TypeMismatchException ex) {
            if (logger.isDebugEnabled()) {
                logger.debug("Failed to convert bean '" + name + "' to required type '" + ClassUtils.getQualifiedName(requiredType) + "'", ex);
            }
            throw new BeanNotOfRequiredTypeException(name, requiredType, bean.getClass());
        }
    }
    return (T) bean;
}

Example 3 with ObjectFactory

use of org.springframework.beans.factory.ObjectFactory in project spring-framework by spring-projects.

the class DefaultSingletonBeanRegistryTests method testSingletons.

@Test
public void testSingletons() {
    DefaultSingletonBeanRegistry beanRegistry = new DefaultSingletonBeanRegistry();
    TestBean tb = new TestBean();
    beanRegistry.registerSingleton("tb", tb);
    assertSame(tb, beanRegistry.getSingleton("tb"));
    TestBean tb2 = (TestBean) beanRegistry.getSingleton("tb2", new ObjectFactory<Object>() {

        @Override
        public Object getObject() throws BeansException {
            return new TestBean();
        }
    });
    assertSame(tb2, beanRegistry.getSingleton("tb2"));
    assertSame(tb, beanRegistry.getSingleton("tb"));
    assertSame(tb2, beanRegistry.getSingleton("tb2"));
    assertEquals(2, beanRegistry.getSingletonCount());
    String[] names = beanRegistry.getSingletonNames();
    assertEquals(2, names.length);
    assertEquals("tb", names[0]);
    assertEquals("tb2", names[1]);
    beanRegistry.destroySingletons();
    assertEquals(0, beanRegistry.getSingletonCount());
    assertEquals(0, beanRegistry.getSingletonNames().length);
}

Example 4 with ObjectFactory

use of org.springframework.beans.factory.ObjectFactory in project spring-framework by spring-projects.

the class SimpleScopeTests method setUp.

@Before
public void setUp() {
    beanFactory = new DefaultListableBeanFactory();
    Scope scope = new NoOpScope() {

        private int index;

        private List<TestBean> objects = new LinkedList<>();

        {
            objects.add(new TestBean());
            objects.add(new TestBean());
        }

        @Override
        public Object get(String name, ObjectFactory<?> objectFactory) {
            if (index >= objects.size()) {
                index = 0;
            }
            return objects.get(index++);
        }
    };
    beanFactory.registerScope("myScope", scope);
    String[] scopeNames = beanFactory.getRegisteredScopeNames();
    assertEquals(1, scopeNames.length);
    assertEquals("myScope", scopeNames[0]);
    assertSame(scope, beanFactory.getRegisteredScope("myScope"));
    XmlBeanDefinitionReader xbdr = new XmlBeanDefinitionReader(beanFactory);
    xbdr.loadBeanDefinitions(CONTEXT);
}

Example 5 with ObjectFactory

use of org.springframework.beans.factory.ObjectFactory in project spring-boot by spring-projects.

the class MockRestarter method setup.

@SuppressWarnings("rawtypes")
private void setup() {
    Restarter.setInstance(this.mock);
    given(this.mock.getInitialUrls()).willReturn(new URL[] {});
    given(this.mock.getOrAddAttribute(anyString(), (ObjectFactory) any())).willAnswer(new Answer<Object>() {

        @Override
        public Object answer(InvocationOnMock invocation) throws Throwable {
            String name = (String) invocation.getArguments()[0];
            ObjectFactory factory = (ObjectFactory) invocation.getArguments()[1];
            Object attribute = MockRestarter.this.attributes.get(name);
            if (attribute == null) {
                attribute = factory.getObject();
                MockRestarter.this.attributes.put(name, attribute);
            }
            return attribute;
        }
    });
    given(this.mock.getThreadFactory()).willReturn(new ThreadFactory() {

        @Override
        public Thread newThread(Runnable r) {
            return new Thread(r);
        }
    });
}