AbstractBeanFactory.java 文件源码

@Override
public void copyConfigurationFrom(ConfigurableBeanFactory otherFactory) {
    Assert.notNull(otherFactory, "BeanFactory must not be null");
    setBeanClassLoader(otherFactory.getBeanClassLoader());
    setCacheBeanMetadata(otherFactory.isCacheBeanMetadata());
    setBeanExpressionResolver(otherFactory.getBeanExpressionResolver());
    if (otherFactory instanceof AbstractBeanFactory) {
        AbstractBeanFactory otherAbstractFactory = (AbstractBeanFactory) otherFactory;
        this.customEditors.putAll(otherAbstractFactory.customEditors);
        this.propertyEditorRegistrars.addAll(otherAbstractFactory.propertyEditorRegistrars);
        this.beanPostProcessors.addAll(otherAbstractFactory.beanPostProcessors);
        this.hasInstantiationAwareBeanPostProcessors = this.hasInstantiationAwareBeanPostProcessors ||
                otherAbstractFactory.hasInstantiationAwareBeanPostProcessors;
        this.hasDestructionAwareBeanPostProcessors = this.hasDestructionAwareBeanPostProcessors ||
                otherAbstractFactory.hasDestructionAwareBeanPostProcessors;
        this.scopes.putAll(otherAbstractFactory.scopes);
        this.securityContextProvider = otherAbstractFactory.securityContextProvider;
    }
    else {
        setTypeConverter(otherFactory.getTypeConverter());
    }
}