多线程并发事务一致性

以下主要自己是对多线程处理数据时，对事物统一控制的测试记录

测试类

import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.session.SqlSession;

import javax.annotation.Resource;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Future;
import java.util.concurrent.atomic.AtomicBoolean;

/**
 * @author: spirit
 * @create: 2023-01-17 14:26
 * @Version 1.0
 **/
@Slf4j
public class TreadTransactionTest {
    @Resource
    SqlContext sqlContext;

    /**
     * 平均拆分list方法.
     *
     * @param source
     * @param n
     * @param 
     * @return
     */
    public static  List> averageAssign(List source, int n) {
        List> result = new ArrayList>();
        int remaider = source.size() % n;
        int number = source.size() / n;
        int offset = 0;//偏移量
        for (int i = 0; i < n; i++) {
            List value = null;
            if (remaider > 0) {
                value = source.subList(i * number + offset, (i + 1) * number + offset + 1);
                remaider--;
                offset++;
            } else {
                value = source.subList(i * number + offset, (i + 1) * number + offset);
            }
            result.add(value);
        }
        return result;
    }

    public void saveThread(List reVOList) throws SQLException {
        // 获取数据库连接,获取会话(内部自有事务)
        SqlSession sqlSession = sqlContext.getSqlSession();
        Connection connection = sqlSession.getConnection();
        try {
            // 设置手动提交
            connection.setAutoCommit(false);
            //获取mapper
            TrackMapper trackMapper = sqlSession.getMapper(TrackMapper.class);
            //先做删除操作
            trackMapper.delete(null);
            //获取执行器
            ExecutorService service = ThreadAllBaseStation.executor;
            List> callableList = new ArrayList<>();
            //拆分list
            List> lists = averageAssign(reVOList, 5);
            AtomicBoolean atomicBoolean = new AtomicBoolean(true);
            for (int i = 0; i < lists.size(); i++) {
                if (i == lists.size() - 1) {
                    atomicBoolean.set(false);
                }
                List list = lists.get(i);
                //使用返回结果的callable去执行,
                Callable callable = () -> {
                    //让最后一个线程抛出异常
                    if (!atomicBoolean.get()) {
                        throw new ServiceException("出现异常", 10000);
                    }
                    return trackMapper.insertBatch(list) ? 1 : 0;
                };
                callableList.add(callable);
            }
            //执行子线程
            List> futures = service.invokeAll(callableList);
            for (Future future : futures) {
                //如果有一个执行不成功,则全部回滚
                if (future.get() <= 0) {
                    connection.rollback();
                    return;
                }
            }
            connection.commit();
            System.out.println("添加完毕");
        } catch (Exception e) {
            connection.rollback();
            log.info("error", e);
            throw new ServiceException("出现异常", 20000);
        } finally {
            connection.close();
        }
    }
}

相关引用类

import com.google.common.util.concurrent.ThreadFactoryBuilder;

import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;

/**
 * @author: spirit
 * @create: 2022-11-07 15:31
 * @Version 1.0
 **/
public class ThreadAllBaseStation {
    private static int corePoolSize = Runtime.getRuntime().availableProcessors();
    private static ThreadFactory namedFactory = new ThreadFactoryBuilder().setNameFormat("XXX数据查询线程-%d").build();
    /**
     * corePoolSize用于指定核心线程数量
     * maximumPoolSize指定最大线程数
     * keepAliveTime和TimeUnit指定线程空闲后的最大存活时间
     */
    public static ThreadPoolExecutor executor = new ThreadPoolExecutor(corePoolSize, corePoolSize + 1, 10L, TimeUnit.SECONDS,
            new LinkedBlockingQueue<>(1000), namedFactory, new ThreadPoolExecutor.AbortPolicy());
}

import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionTemplate;
import org.springframework.stereotype.Component;

import javax.annotation.Resource;

/**
 * 获取sqlSession
 * @author: spirit
 * @create: 2023-01-17 14:20
 * @Version 1.0
 **/
@Component
public class SqlContext {
    @Resource
    private SqlSessionTemplate sqlSessionTemplate;

    public SqlSession getSqlSession(){
        SqlSessionFactory sqlSessionFactory = sqlSessionTemplate.getSqlSessionFactory();
        return sqlSessionFactory.openSession();
    }
}

/**
 * 业务异常
 *
 * @author spirit
 */
public final class ServiceException extends RuntimeException {
    private static final long serialVersionUID = 1L;

    /**
     * 错误码
     */
    private Integer code;

    /**
     * 错误提示
     */
    private String message;

    /**
     * 错误明细，内部调试错误
     * 

     * 和 {@link CommonResult#getDetailMessage()} 一致的设计
     */
    private String detailMessage;

    /**
     * 空构造方法，避免反序列化问题
     */
    public ServiceException() {
    }

    public ServiceException(String message) {
        this.message = message;
    }

    public ServiceException(String message, Integer code) {
        this.message = message;
        this.code = code;
    }

    public String getDetailMessage() {
        return detailMessage;
    }

    @Override
    public String getMessage() {
        return message;
    }

    public Integer getCode() {
        return code;
    }

    public ServiceException setMessage(String message) {
        this.message = message;
        return this;
    }

    public ServiceException setDetailMessage(String detailMessage) {
        this.detailMessage = detailMessage;
        return this;
    }
}