Spring中的BeanFactory对象实例化工厂详解

public interface BeanFactory {
	String FACTORY_BEAN_PREFIX = "&";
	//根据名称获取bean
	Object getBean(String name) throws BeansException;
	//根据名称及类型获取类
	<T> T getBean(String name, Class<T> requiredType) throws BeansException;
	//根据类型获取类
	<T> T getBean(Class<T> requiredType) throws BeansException;
	Object getBean(String name, Object... args) throws BeansException;
	<T> T getBean(Class<T> requiredType, Object... args) throws BeansException;
	boolean containsBean(String name);
	//单例判断
	boolean isSingleton(String name) throws NoSuchBeanDefinitionException;
	//原型判断
	boolean isPrototype(String name) throws NoSuchBeanDefinitionException;
	//类型判断
	boolean isTypeMatch(String name, ResolvableType typeToMatch) throws NoSuchBeanDefinitionException;
	boolean isTypeMatch(String name, Class<?> typeToMatch) throws NoSuchBeanDefinitionException;
	Class<?> getType(String name) throws NoSuchBeanDefinitionException;
	String[] getAliases(String name);
}