相关疑难解决方法(0)

我正在使用Spring/Spring-data-JPA,并发现自己需要在单元测试中手动强制提交.我的用例是我正在进行多线程测试,其中我必须使用在生成线程之前持久化的数据.

不幸的是,鉴于测试在一个@Transactional事务中运行,即使是一个flush也没有让它可以被生成的线程访问.

   @Transactional   
   public void testAddAttachment() throws Exception{
        final Contract c1 = contractDOD.getNewTransientContract(15);
        contractRepository.save(c1);

        // Need to commit the saveContract here, but don't know how!                
        em.getTransaction().commit();

        List<Thread> threads = new ArrayList<>();
        for( int i = 0; i < 5; i++){
            final int threadNumber = i; 
            Thread t =  new Thread( new Runnable() {
                @Override
                @Transactional
                public void run() {
                    try {
                        // do stuff here with c1

                        // sleep to ensure that the thread is not …