TransactionConfigPostProcessor.java 文件源码

public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) throws BeansException {
    String[] beanNameArray = beanFactory.getBeanDefinitionNames();
    for (int i = 0; i < beanNameArray.length; i++) {
        String beanName = beanNameArray[i];
        BeanDefinition beanDef = beanFactory.getBeanDefinition(beanName);
        String beanClassName = beanDef.getBeanClassName();

        if (org.springframework.transaction.interceptor.TransactionProxyFactoryBean.class.getName().equals(beanClassName)) {
            throw new FatalBeanException(String.format(
                    "Declaring transactions by configuration is not supported yet, please use annotations to declare transactions(beanId= %s).",
                    beanName));
        }

        if (org.springframework.transaction.interceptor.TransactionInterceptor.class.getName().equals(beanClassName)) {
            boolean errorExists = true;

            MutablePropertyValues mpv = beanDef.getPropertyValues();
            PropertyValue pv = mpv.getPropertyValue("transactionAttributeSource");
            Object value = pv == null ? null : pv.getValue();
            if (value != null && RuntimeBeanReference.class.isInstance(value)) {
                RuntimeBeanReference reference = (RuntimeBeanReference) value;
                BeanDefinition refBeanDef = beanFactory.getBeanDefinition(reference.getBeanName());
                String refBeanClassName = refBeanDef.getBeanClassName();
                errorExists = AnnotationTransactionAttributeSource.class.getName().equals(refBeanClassName) == false;
            }

            if (errorExists) {
                throw new FatalBeanException(String.format(
                        "Declaring transactions by configuration is not supported yet, please use annotations to declare transactions(beanId= %s).",
                        beanName));
            }

        }
    }
}