使用try catch块时的Spring @Transactional注释
问题内容:
如果我们在带有@Transactional
注释的方法中捕获到异常,如果发生任何异常,它将回滚吗?
@Transactional(readOnly = false, propagation = Propagation.REQUIRED, rollbackFor=Throwable.class)
public void yearEndProcess() {
try {
// try block
} catch (Throwable throwable) {
// catch block
}
}
问题答案:
例如
class A{
@Transactional
public Result doStuff(){
Result res = null;
try {
// do stuff
} catch (Exception e) {
}
return res ;
}
}
如果有一个例外,在方法doStuff
的 事务不会回滚。
To rollback the exception programmatically
,我们可以执行以下操作。
陈述式
@Transactional(rollbackFor={MyException1.class, MyException2.class, ....})
public Result doStuff(){
...
}
编程回滚, 您需要从中调用它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.