标签:场景 Spring final txAttr MethodB 失效 targetClass null method
1 非public方法
AbstractFallbackTransactionAttributeSource #
@Nullable protected TransactionAttribute computeTransactionAttribute(Method method, @Nullable Class<?> targetClass) { // Don't allow no-public methods as required. if (allowPublicMethodsOnly() && !Modifier.isPublic(method.getModifiers())) { return null; }
TransactionAspectSupport #
protected Object invokeWithinTransaction(Method method, @Nullable Class<?> targetClass, final InvocationCallback invocation) throws Throwable { // If the transaction attribute is null, the method is non-transactional. TransactionAttributeSource tas = getTransactionAttributeSource(); final TransactionAttribute txAttr = (tas != null ? tas.getTransactionAttribute(method, targetClass) : null);//txAttr=null final PlatformTransactionManager tm = determineTransactionManager(txAttr); final String joinpointIdentification = methodIdentification(method, targetClass, txAttr); if (txAttr == null || !(tm instanceof CallbackPreferringPlatformTransactionManager)) { // Standard transaction demarcation with getTransaction and commit/rollback calls. TransactionInfo txInfo = createTransactionIfNecessary(tm, txAttr, joinpointIdentification); Object retVal = null; try { // This is an around advice: Invoke the next interceptor in the chain. // This will normally result in a target object being invoked. retVal = invocation.proceedWithInvocation();//直接调用没有事务 } catch (Throwable ex) { // target invocation exception completeTransactionAfterThrowing(txInfo, ex); throw ex; } finally { cleanupTransactionInfo(txInfo); } commitTransactionAfterReturning(txInfo); return retVal; }
2 查看@Transactional注解所在的类,是否添加了@Service 或 @Component注解;
3 MethodA 调用MethodB,MethodA和MethodB都有@Transactional注解。如果MethodA调用MethodB此时MethodB只是普通的方法
标签:场景,Spring,final,txAttr,MethodB,失效,targetClass,null,method 来源: https://www.cnblogs.com/juniorMa/p/15228644.html
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