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13693261870

2024-11-13 2f55cebbad3dea187a5f91d16ec80a9677dab699

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package com.yssh.service;
 
import java.util.List;
import java.util.concurrent.CountDownLatch;
 
import org.springframework.stereotype.Service;
 
import com.yssh.mapper.BaseMapper;
 
@Service
public class AsyncService {
    public static final Integer BATCH_INSERT_NUMBER = 1000;
 
    public static final Integer BATCH_INSERT_500 = 500;
 
    public <T> void executeAsync(String tableName, List<T> lists, BaseMapper mapper, CountDownLatch countDownLatch) {
        try{
            //异步线程要做的事情
            mapper.batchInsert(tableName, lists);
        }finally {
            countDownLatch.countDown();// 很关键, 无论上面程序是否异常必须执行countDown,否则await无法释放
        }
    }
}