Spring@Transactional具有跨多个数据源的事务

Question

null

下面是一个示例代码-

@Transactional(value="db01TransactionManager")
public void updateDb01() {
    Entity01 entity01 = repository01.findOne(1234);
    entity01.setName("Name");
    repository01.save(entity01);

    //Calling method to update DB02
    updateDb02();
}

@Transactional(value="db02TransactionManager")
public void updateDb02() {
    Entity02 entity02 = repository02.findOne(1234);
    entity02.setName("Name");
    repository02.save(entity02);

    //Added this to force a roll back for testing
    TransactionAspectSupport.currentTransactionStatus().setRollbackOnly();
}

我的问题是，updateDb02中的setRollbackOnly（）只回滚Db01事务。

Answer 1

我使用ChainedTransactionManager-http://docs.spring.io/spring-data/commons/docs/1.6.2.release/api/org/springframework/data/transaction/ChainedTransactionManager.html解决了这个问题

Spring引导配置：

    @Bean(name = "chainedTransactionManager")
    public ChainedTransactionManager transactionManager(@Qualifier("primaryDs") PlatformTransactionManager ds1,
                                                    @Qualifier("secondaryDs") PlatformTransactionManager ds2) {
         return new ChainedTransactionManager(ds1, ds2);
    }

然后您可以按以下方式使用它：

@Transactional(value="chainedTransactionManager")
public void updateDb01() {
    Entity01 entity01 = repository01.findOne(1234);
    entity01.setName("Name");
    repository01.save(entity01);

    //Calling method to update DB02
    updateDb02();
}

public void updateDb02() {
    Entity02 entity02 = repository02.findOne(1234);
    entity02.setName("Name");
    repository02.save(entity02);

    //Added this to force a roll back for testing
    TransactionAspectSupport.currentTransactionStatus().setRollbackOnly();
}