registry: XmlBeanFactory 實現了BeanDefinitionRegistry
註冊的最終操作:
this.beanDefinitionNames.add(beanName);
清除解析之前留下的beanName緩存:
this.manualSingletonNames.remove(beanName);
this.frozenBeanDefinitionNames = null;
this.beanDefinitionMap.put(beanName, beanDefinition);
別名的註冊:
this.aliasMap.put(alias, name);
Import標籤的解析: