在Grails中Service层默认就是支持事务的,事务传播级别默认是PROPAGATION_REQUIRED. 当然你也可以设置transactional = false.
如果transactional 设置为true, 则在Service层如何方法内部抛出RuntimeException类型异常, 所有操作将会回滚.
class UserService {
boolean transactional = true
public boolean register(User user, UserInfo userInfo) throws RuntimeException {
if (user.save()) {
userInfo.user = user
if (userInfo.save()) {
return true
} else {
throw new RuntimeException ('ServiceException: UserService.register()...');
}
} else {
throw new RuntimeException ('ServiceException: UserService.register()...');
}
}
}
这样不管哪个保存失败, 数据都将会回滚!
posted on 2008-07-21 21:29
周锐 阅读(1675)
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