org.springframework.beans.factory.BeanFactory#isSingleton ( )源码实例Demo

下面列出了org.springframework.beans.factory.BeanFactory#isSingleton ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： spring-analysis-note 文件： AbstractBeanFactory.java

@Override
public boolean isSingleton(String name) throws NoSuchBeanDefinitionException {
	String beanName = transformedBeanName(name);

	Object beanInstance = getSingleton(beanName, false);
	if (beanInstance != null) {
		if (beanInstance instanceof FactoryBean) {
			return (BeanFactoryUtils.isFactoryDereference(name) || ((FactoryBean<?>) beanInstance).isSingleton());
		}
		else {
			return !BeanFactoryUtils.isFactoryDereference(name);
		}
	}

	// No singleton instance found -> check bean definition.
	BeanFactory parentBeanFactory = getParentBeanFactory();
	if (parentBeanFactory != null && !containsBeanDefinition(beanName)) {
		// No bean definition found in this factory -> delegate to parent.
		return parentBeanFactory.isSingleton(originalBeanName(name));
	}

	RootBeanDefinition mbd = getMergedLocalBeanDefinition(beanName);

	// In case of FactoryBean, return singleton status of created object if not a dereference.
	if (mbd.isSingleton()) {
		if (isFactoryBean(beanName, mbd)) {
			if (BeanFactoryUtils.isFactoryDereference(name)) {
				return true;
			}
			FactoryBean<?> factoryBean = (FactoryBean<?>) getBean(FACTORY_BEAN_PREFIX + beanName);
			return factoryBean.isSingleton();
		}
		else {
			return !BeanFactoryUtils.isFactoryDereference(name);
		}
	}
	else {
		return false;
	}
}

源代码2 项目： java-technology-stack 文件： AbstractBeanFactory.java

@Override
public boolean isSingleton(String name) throws NoSuchBeanDefinitionException {
	String beanName = transformedBeanName(name);

	Object beanInstance = getSingleton(beanName, false);
	if (beanInstance != null) {
		if (beanInstance instanceof FactoryBean) {
			return (BeanFactoryUtils.isFactoryDereference(name) || ((FactoryBean<?>) beanInstance).isSingleton());
		}
		else {
			return !BeanFactoryUtils.isFactoryDereference(name);
		}
	}

	// No singleton instance found -> check bean definition.
	BeanFactory parentBeanFactory = getParentBeanFactory();
	if (parentBeanFactory != null && !containsBeanDefinition(beanName)) {
		// No bean definition found in this factory -> delegate to parent.
		return parentBeanFactory.isSingleton(originalBeanName(name));
	}

	RootBeanDefinition mbd = getMergedLocalBeanDefinition(beanName);

	// In case of FactoryBean, return singleton status of created object if not a dereference.
	if (mbd.isSingleton()) {
		if (isFactoryBean(beanName, mbd)) {
			if (BeanFactoryUtils.isFactoryDereference(name)) {
				return true;
			}
			FactoryBean<?> factoryBean = (FactoryBean<?>) getBean(FACTORY_BEAN_PREFIX + beanName);
			return factoryBean.isSingleton();
		}
		else {
			return !BeanFactoryUtils.isFactoryDereference(name);
		}
	}
	else {
		return false;
	}
}

源代码3 项目： rice 文件： CompositeBeanFactory.java

@Override
public boolean isSingleton(String name) throws NoSuchBeanDefinitionException {
	for (BeanFactory f : factories) {
		try {
			boolean b = f.isSingleton(name);
			if (b) {
				return b;
			}	
		} catch (BeansException e) {
			LOG.info("bean exception", e);
		}
	}
	return false;
}

源代码4 项目： lams 文件： AbstractBeanFactory.java

@Override
public boolean isSingleton(String name) throws NoSuchBeanDefinitionException {
	String beanName = transformedBeanName(name);

	Object beanInstance = getSingleton(beanName, false);
	if (beanInstance != null) {
		if (beanInstance instanceof FactoryBean) {
			return (BeanFactoryUtils.isFactoryDereference(name) || ((FactoryBean<?>) beanInstance).isSingleton());
		}
		else {
			return !BeanFactoryUtils.isFactoryDereference(name);
		}
	}
	else if (containsSingleton(beanName)) {
		return true;
	}

	// No singleton instance found -> check bean definition.
	BeanFactory parentBeanFactory = getParentBeanFactory();
	if (parentBeanFactory != null && !containsBeanDefinition(beanName)) {
		// No bean definition found in this factory -> delegate to parent.
		return parentBeanFactory.isSingleton(originalBeanName(name));
	}

	RootBeanDefinition mbd = getMergedLocalBeanDefinition(beanName);

	// In case of FactoryBean, return singleton status of created object if not a dereference.
	if (mbd.isSingleton()) {
		if (isFactoryBean(beanName, mbd)) {
			if (BeanFactoryUtils.isFactoryDereference(name)) {
				return true;
			}
			FactoryBean<?> factoryBean = (FactoryBean<?>) getBean(FACTORY_BEAN_PREFIX + beanName);
			return factoryBean.isSingleton();
		}
		else {
			return !BeanFactoryUtils.isFactoryDereference(name);
		}
	}
	else {
		return false;
	}
}

源代码5 项目： blog_demos 文件： AbstractBeanFactory.java

@Override
public boolean isSingleton(String name) throws NoSuchBeanDefinitionException {
	String beanName = transformedBeanName(name);

	Object beanInstance = getSingleton(beanName, false);
	if (beanInstance != null) {
		if (beanInstance instanceof FactoryBean) {
			return (BeanFactoryUtils.isFactoryDereference(name) || ((FactoryBean<?>) beanInstance).isSingleton());
		}
		else {
			return !BeanFactoryUtils.isFactoryDereference(name);
		}
	}
	else if (containsSingleton(beanName)) {
		return true;
	}

	else {
		// No singleton instance found -> check bean definition.
		BeanFactory parentBeanFactory = getParentBeanFactory();
		if (parentBeanFactory != null && !containsBeanDefinition(beanName)) {
			// No bean definition found in this factory -> delegate to parent.
			return parentBeanFactory.isSingleton(originalBeanName(name));
		}

		RootBeanDefinition mbd = getMergedLocalBeanDefinition(beanName);

		// In case of FactoryBean, return singleton status of created object if not a dereference.
		if (mbd.isSingleton()) {
			if (isFactoryBean(beanName, mbd)) {
				if (BeanFactoryUtils.isFactoryDereference(name)) {
					return true;
				}
				FactoryBean<?> factoryBean = (FactoryBean<?>) getBean(FACTORY_BEAN_PREFIX + beanName);
				return factoryBean.isSingleton();
			}
			else {
				return !BeanFactoryUtils.isFactoryDereference(name);
			}
		}
		else {
			return false;
		}
	}
}

源代码6 项目： spring4-understanding 文件： AbstractBeanFactory.java

@Override
public boolean isSingleton(String name) throws NoSuchBeanDefinitionException {
	String beanName = transformedBeanName(name);

	Object beanInstance = getSingleton(beanName, false);
	if (beanInstance != null) {
		if (beanInstance instanceof FactoryBean) {
			return (BeanFactoryUtils.isFactoryDereference(name) || ((FactoryBean<?>) beanInstance).isSingleton());
		}
		else {
			return !BeanFactoryUtils.isFactoryDereference(name);
		}
	}
	else if (containsSingleton(beanName)) {
		return true;
	}

	else {
		// No singleton instance found -> check bean definition.
		BeanFactory parentBeanFactory = getParentBeanFactory();
		if (parentBeanFactory != null && !containsBeanDefinition(beanName)) {
			// No bean definition found in this factory -> delegate to parent.
			return parentBeanFactory.isSingleton(originalBeanName(name));
		}

		RootBeanDefinition mbd = getMergedLocalBeanDefinition(beanName);

		// In case of FactoryBean, return singleton status of created object if not a dereference.
		if (mbd.isSingleton()) {
			if (isFactoryBean(beanName, mbd)) {
				if (BeanFactoryUtils.isFactoryDereference(name)) {
					return true;
				}
				FactoryBean<?> factoryBean = (FactoryBean<?>) getBean(FACTORY_BEAN_PREFIX + beanName);
				return factoryBean.isSingleton();
			}
			else {
				return !BeanFactoryUtils.isFactoryDereference(name);
			}
		}
		else {
			return false;
		}
	}
}

方法所在类

org.springframework.beans.factory.BeanFactory