Merge remote-tracking branch 'origin/master'

zouyu

2023-11-15 54cce185f383849322d5cc309d2ee5d155d15915

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package com.chinaztt.mes.basic.util;
 
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.stereotype.Component;
import org.springframework.transaction.TransactionDefinition;
import org.springframework.transaction.TransactionStatus;
import org.springframework.transaction.support.DefaultTransactionDefinition;
 
import javax.annotation.Resource;
 
/**
 * @Author 张宾
 * @Date 2023/10/26
 */
@Component
public class TransactionUtils {
 
    @Resource
    private DataSourceTransactionManager transactionManager;
 
    //开启事务,传入隔离级别
    public TransactionStatus begin(int isolationLevel) {
        DefaultTransactionDefinition def = new DefaultTransactionDefinition();
        // 事物隔离级别，开启新事务 TransactionDefinition.ISOLATION_READ_COMMITTED
        def.setIsolationLevel(isolationLevel);
        // 事务传播行为
        def.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRED);
        //默认事务
        TransactionStatus transaction = transactionManager.getTransaction(def);
        //将拿到的事务返回进去，才能提交。
        return transaction;
    }
 
    //提交事务
    public void commit(TransactionStatus transaction) {
        //提交事务
        transactionManager.commit(transaction);
    }
 
    //回滚事务
    public void rollback(TransactionStatus transaction) {
        transactionManager.rollback(transaction);
    }
}