使用try catch块时,Spring @Transactional注释

Question

如果我们在使用@Transactional注释注释的方法中捕获异常,那么如果发生任何异常,它是否会回滚？

@Transactional(readOnly = false, propagation = Propagation.REQUIRED, rollbackFor=Throwable.class)
public void yearEndProcess() {
    try {
        // try block
    } catch (Throwable throwable) {
        // catch block
    }
}

Answer 1

例如

class A{

    @Transactional
    public Result doStuff(){
        Result res = null;
        try {
          // do stuff 
        } catch (Exception e) {

        }
        return res ;
    }
}

如果在该方法的例外doStuff的事务不会回滚.

To rollback the exception programmatically,我们可以做类似下面的事情.

陈述性方法

@Transactional(rollbackFor={MyException1.class, MyException2.class, ....})
public Result doStuff(){
   ...
}

您需要从中调用它的程序化回滚TransactionAspectSupport.

public Result doStuff(){
  try {
    // business logic...
  } catch (Exception ex) {
    // trigger rollback programmatically
    TransactionAspectSupport.currentTransactionStatus().setRollbackOnly();
  }
}

You are strongly encouraged to use the `declarative approach` to `rollback` if at all possible. 
`Programmatic rollback` is available should only be used if you absolutely need it.