Java多线程事务管理的实现

public class TestThread extends Thread {
　　public void run() {
　　 System.out.println("继承Thread类，重写run方法");
　　}
}

TestThread testThread1 = new TestThread(); // 新建状态
TestThread testThread2 = new TestThread(); // 新建状态
testThread1.start(); // 就绪状态
testThread2.start(); // 就绪状态

public class TestThread extends FatherClass implements Runnable {
　　public void run() {
　　 System.out.println("实现Runnable接口的方式，实现run方法");
　　}
}

TestThread testThread = new TestThread();
Thread thread = new Thread(testThread);
thread.start();

class TestCallable implements Callable<Integer> {

    @Override
    public Integer call() {
        int sum = 0;
        for (int i = 0; i < 100; i++) {
            System.out.println(Thread.currentThread().getName() + " " + i);
            sum += i;
        }
        return sum;
    }
}

Callable<Integer> testCallable = new TestCallable();                    // 创建TestCallable对象
FutureTask<Integer> futureTask = new FutureTask<Integer>(testCallable); // 使用FutureTask来包装MyCallable对象
Thread thread = new Thread(futureTask);                                 // FutureTask对象作为Thread对象的target创建新的线程
thread.start();

public class TestTranstionalThread extends Thread {

    private List<BalBankDictEntity> balBankDictEntities;

    public TestTranstionalThread( List<BalBankDictEntity> balBankDictEntities){
        this.balBankDictEntities = balBankDictEntities;

    }

    @Override
    public void run() {

        log.info("线程{}开始",Thread.currentThread().getName());

        for (BalBankDictEntity balBankDictEntity : balBankDictEntities) {

            try{
                collBillDao.insOneBank(balBankDictEntity);
            }catch (BusiException e){
                log.error("{}回滚",balBankDictEntity.getBankId());
            }

        }

        log.info("线程{}结束",Thread.currentThread().getName());
    }
}

@Transactional(propagation = Propagation.REQUIRES_NEW)
public void insOneBank(BalBankDictEntity balBankDictEntity){

    balBankDictMapper.insert(balBankDictEntity);

    /* 模拟发生异常，抛出异常，实现将已插入数据回滚 */
    if (Integer.parseInt(balBankDictEntity.getBankId().substring(2)) % 100 == 0){
        throw new BusiException("test");
    }
}

@Transactional
public void testTransactional(){

    /* 模拟测试数据 */
    List<BalBankDictEntity> balBankDictEntities = new ArrayList<>();
    for (int i = 0 ; i < 100000 ; i ++){
        BalBankDictEntity balBankDictEntity = new BalBankDictEntity();
        balBankDictEntity.setBankCode("BK" + i);
        balBankDictEntity.setBankId("ID" + i + "");
        balBankDictEntity.setBankName("N" + i + "N");
        balBankDictEntities.add(balBankDictEntity);
    }

    int totalNum = balBankDictEntities.size();
    log.info("totalNum" + totalNum);

    /* 分10个线程处理 */
    ExecutorService fixedThreadPool = Executors.newFixedThreadPool(10);
    int dealNum = totalNum % 10 == 0 ? totalNum / 10 : totalNum / 10 + 1; // 计算每个线程处理的数量

    for (int i = 1; i <= 10 ; i++ ){
        List<BalBankDictEntity> balBankDictEntityList = splitDataList(balBankDictEntities,dealNum,10,i);  // 切割数据集实现数据隔离

        TestTranstionalThread testTranstional = new TestTranstionalThread(balBankDictEntityList);
        fixedThreadPool.execute(testTranstional);

    }
}