Spring中的BeanFactory和FactoryBean的區別
阿新 • • 發佈:2018-10-13
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一句話介紹
BeanFactory接口用來生產Bean,它處理生產bean的接口體系的最頂層,getBean方法可以獲取bean。FactoryBean接口用來定制Bean的生產過程,getObject方法中可以實現自定義過程。
源碼
BeanFactory源碼
public interface BeanFactory { String FACTORY_BEAN_PREFIX = "&"; Object getBean(String var1) throws BeansException; T getBean(String var1, Class var2) throws BeansException; T getBean(Class var1) throws BeansException; Object getBean(String var1, Object... var2) throws BeansException; T getBean(Class var1, Object... var2) throws BeansException; boolean containsBean(String var1); boolean isSingleton(String var1) throws NoSuchBeanDefinitionException; boolean isPrototype(String var1) throws NoSuchBeanDefinitionException; boolean isTypeMatch(String var1, ResolvableType var2) throws NoSuchBeanDefinitionException; boolean isTypeMatch(String var1, Class var2) throws NoSuchBeanDefinitionException; Class getType(String var1) throws NoSuchBeanDefinitionException; String[] getAliases(String var1); }
FactoryBean源碼
public interface FactoryBean { T getObject() throws Exception; Class getObjectType(); boolean isSingleton(); }
public interface FactoryBean { T getObject() throws Exception; Class getObjectType(); boolean isSingleton(); }
Spring中的BeanFactory和FactoryBean的區別