【问题标题】:How do I get transaction info in Spring whether transaction is committed or rollback in a declarative transaction management?在声明式事务管理中,无论事务是提交还是回滚,如何在 Spring 中获取事务信息?
【发布时间】:2012-11-03 22:49:17
【问题描述】:

我使用以下声明性 Spring 事务:

<!-- Declare a transaction manager-->
    <bean id="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager" p:sessionFactory-ref="sessionFactory" />  
<!-- enable the configuration of transactional behavior based on annotations -->
    <tx:annotation-driven transaction-manager="transactionManager" mode="proxy" proxy-target-class="true"/>

这是 DAO:

@Repository
@Transactional(readOnly = true, propagation=Propagation.REQUIRES_NEW )
@Scope("prototype")
public class Xdao{

    public Object getValues(){
        .....
    }
}


@Service
@Scope("prototype")
public class Xservice{
private Xdao xdao;

    public Object getx(){
        xdao.getValues();//here I want to know whether the transaction started  is             
        //committed or rollback by aop. Is it possible somehow? I don't want to include that code 
        //in any service or dao layer. 
        .........
    }

    @Autowired
    public void setXdao(Xdao xdao){
        this.xdao=xdao;
    }
}

我想了解事务状态,即事务已提交或回滚。我需要它来记录日志。

【问题讨论】:

标签: spring hibernate transactions


【解决方案1】:

如果事务在范围内,您可以从TransactionAspectSupport.currentTransactionStatus() 获得TransactionStatus。例如:

if (TransactionSynchronizationManager.isActualTransactionActive()) {
   TransactionStatus status = TransactionAspectSupport.currentTransactionStatus();
   ...
}

但是交易完成后这将不起作用。

您可以添加TransactionSynchronization 并实现afterCompletion(int status) 以记录状态或将其存储在ThreadLocal 变量中以供以后使用。

public class LogTransactionSynchronization extends TransactionSynchronizationAdapter {
   @Override
   public afterCompletion(int status) {
      // log the status or store it for later usage
   }
}

【讨论】:

    【解决方案2】:

    将以下内容添加到您的 log4j.properties 将启用事务状态记录,

    log4j.logger.org.hibernate.transaction=DEBUG,R
    log4j.logger.org.springframework.transaction=DEBUG,R
    

    【讨论】:

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