Spring-IoC容器设计

public interface BeanFactory {
	String FACTORY_BEAN_PREFIX = "&";
	Object getBean(String name) throws BeansException;
	<T> T getBean(String name, Class<T> requiredType) throws BeansException;
	Object getBean(String name, Object... args) throws BeansException;
	<T> T getBean(Class<T> requiredType) throws BeansException;
	<T> T getBean(Class<T> requiredType, Object... args) throws BeansException;
	<T> ObjectProvider<T> getBeanProvider(Class<T> requiredType);
	<T> ObjectProvider<T> getBeanProvider(ResolvableType requiredType);
	boolean containsBean(String name);
	boolean isSingleton(String name) throws NoSuchBeanDefinitionException;
	boolean isPrototype(String name) throws NoSuchBeanDefinitionException;
	boolean isTypeMatch(String name, ResolvableType typeToMatch) throws NoSuchBeanDefinitionException;
	boolean isTypeMatch(String name, Class<?> typeToMatch) throws NoSuchBeanDefinitionException;
	@Nullable
	Class<?> getType(String name) throws NoSuchBeanDefinitionException;
	@Nullable
	Class<?> getType(String name, boolean allowFactoryBeanInit) throws NoSuchBeanDefinitionException;
	String[] getAliases(String name);
}