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ipipmanipipman
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add transaction propagation required in spring sample
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+215
-14
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7 files changed

+215
-14
lines changed

‎springboot-transactional-sample/src/main/java/com/ipman/springboot/transactional/sample/core/service/User1Service.java

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package com.ipman.springboot.transactional.sample.core.service;
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import com.ipman.springboot.transactional.sample.common.domain.model.User1;
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/**
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* Created by ipipman on 2021/4/2.
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*
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* @version V1.0
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* @Package com.ipman.springboot.transactional.sample.core.service
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* @Description: (用一句话描述该文件做什么)
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* @date 2021/4/2 11:49 上午
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*/
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public interface User1Service {
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/**
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* Propagation.REQUIRED
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* 如果当前没有事务，就创建一个事务
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* 如果已经存在一个事务中，加入这个事务中
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*
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*/
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void addRequired(User1 user1);
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}

‎springboot-transactional-sample/src/main/java/com/ipman/springboot/transactional/sample/core/service/User2Service.java

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package com.ipman.springboot.transactional.sample.core.service;
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import com.ipman.springboot.transactional.sample.common.domain.model.User2;
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/**
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* Created by ipipman on 2021/4/2.
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*
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* @version V1.0
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* @Package com.ipman.springboot.transactional.sample.core.service
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* @Description: (用一句话描述该文件做什么)
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* @date 2021/4/2 11:50 上午
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*/
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public interface User2Service {
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/**
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* Propagation.REQUIRED
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* 如果当前没有事务，就创建一个事务
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* 如果已经存在一个事务中，加入这个事务中
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*/
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void addRequired(User2 user2);
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/**
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* Propagation.REQUIRED
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* 如果当前没有事务，就创建一个事务
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* 如果已经存在一个事务中，加入这个事务中
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*/
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void addRequiredException(User2 user2);
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}

‎springboot-transactional-sample/src/main/java/com/ipman/springboot/transactional/sample/core/service/impl/User1ServiceImpl.java

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package com.ipman.springboot.transactional.sample.core.service.impl;
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import com.ipman.springboot.transactional.sample.common.domain.model.User1;
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import com.ipman.springboot.transactional.sample.core.dao.User1Mapper;
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import com.ipman.springboot.transactional.sample.core.service.User1Service;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Propagation;
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import org.springframework.transaction.annotation.Transactional;
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import javax.annotation.Resource;
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/**
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* Created by ipipman on 2021/4/2.
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*
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* @version V1.0
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* @Package com.ipman.springboot.transactional.sample.core.service.impl
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* @Description: (用一句话描述该文件做什么)
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* @date 2021/4/2 11:49 上午
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*/
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@Service
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public class User1ServiceImpl implements User1Service {
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@Resource
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private User1Mapper user1Mapper;
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/**
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* Propagation.REQUIRED
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* 如果当前没有事务，就创建一个事务
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* 如果已经存在一个事务中，加入这个事务中
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*/
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@Override
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@Transactional(value = "transactionManager", propagation = Propagation.REQUIRED)
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public void addRequired(User1 user1) {
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user1Mapper.insert(user1);
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}
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}

‎springboot-transactional-sample/src/main/java/com/ipman/springboot/transactional/sample/core/service/impl/User2ServiceImpl.java

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package com.ipman.springboot.transactional.sample.core.service.impl;
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import com.ipman.springboot.transactional.sample.common.domain.model.User2;
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import com.ipman.springboot.transactional.sample.core.dao.User2Mapper;
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import com.ipman.springboot.transactional.sample.core.service.User2Service;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Propagation;
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import org.springframework.transaction.annotation.Transactional;
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import javax.annotation.Resource;
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/**
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* Created by ipipman on 2021/4/2.
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*
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* @version V1.0
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* @Package com.ipman.springboot.transactional.sample.core.service.impl
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* @Description: (用一句话描述该文件做什么)
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* @date 2021/4/2 11:50 上午
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*/
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@Service
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public class User2ServiceImpl implements User2Service {
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@Resource
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private User2Mapper user2Mapper;
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/**
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* Propagation.REQUIRED
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* 如果当前没有事务，就创建一个事务
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* 如果已经存在一个事务中，加入这个事务中
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*/
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@Override
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@Transactional(value = "transactionManager", propagation = Propagation.REQUIRED)
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public void addRequired(User2 user2){
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user2Mapper.insert(user2);
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}
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/**
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* Propagation.REQUIRED
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* 如果当前没有事务，就创建一个事务
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* 如果已经存在一个事务中，加入这个事务中
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*/
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@Override
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@Transactional(value = "transactionManager", propagation = Propagation.REQUIRED)
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public void addRequiredException(User2 user2){
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user2Mapper.insert(user2);
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throw new RuntimeException();
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}
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}

‎springboot-transactional-sample/src/main/resources/application.properties

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#datasource
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datasource.type= com.alibaba.druid.pool.DruidDataSource
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datasource.driver-class-name= com.mysql.jdbc.Driver
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datasource.url= jdbc:mysql://127.0.0.1:3306/stx
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datasource.username= root
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datasource.initialSize= 5
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datasource.minIdle= 5
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datasource.maxActive= 30
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datasource.maxWait= 60000
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datasource.timeBetweenEvictionRunsMillis= 60000
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datasource.minEvictableIdleTimeMillis= 30000
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datasource.validationQuery= select 'x'
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datasource.testWhileIdle= true
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datasource.testOnBorrow= true
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datasource.testOnReturn= false
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datasource.poolPreparedStatements= false
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datasource.maxPoolPreparedStatementPerConnectionSize= 20

‎springboot-transactional-sample/src/test/java/com/ipman/springboot/transactional/sample/SpringbootTransactionalSampleApplicationTests.java

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This file was deleted.

‎springboot-transactional-sample/src/test/java/com/ipman/springboot/transactional/sample/TransactionPropagationTest.java

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package com.ipman.springboot.transactional.sample;
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import com.ipman.springboot.transactional.sample.common.domain.model.User1;
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import com.ipman.springboot.transactional.sample.common.domain.model.User2;
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import com.ipman.springboot.transactional.sample.core.service.User1Service;
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import com.ipman.springboot.transactional.sample.core.service.User2Service;
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import org.junit.jupiter.api.Test;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.test.context.SpringBootTest;
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@SpringBootTest
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class TransactionPropagationTest {
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@Autowired
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private User1Service user1Service;
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@Autowired
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private User2Service user2Service;
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/**
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* Propagation.REQUIRED
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* 如果当前没有事务，就创建一个事务
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* 如果已经存在一个事务中，加入这个事务中
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* 总结：
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* 外围方法没有开启事务，插入"张三"、"李四"方法在自己事务中独立运行
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* 外围方法异常不影响内部插入"张三"、"李四"方法独立的事务
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*/
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@Test
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public void transactionPropagationRequired() {
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User1 user1 = new User1();
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user1.setName("张三");
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user1Service.addRequired(user1);
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User2 user2 = new User2();
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user2.setName("李四");
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user2Service.addRequired(user2);
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throw new RuntimeException();
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}
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/**
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* Propagation.REQUIRED
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* 如果当前没有事务，就创建一个事务
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* 如果已经存在一个事务中，加入这个事务中
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* 总结：
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* 外围方法没有开启事务，插入"张三"、"李四"方法在自己事务中独立运行
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* 所以插入"李四"方法抛出异常只会回滚插入"李四"的方法，插入"张三"的方法不受影响
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*/
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@Test
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public void transactionPropagationRequiredException() {
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User1 user1 = new User1();
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user1.setName("张三");
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user1Service.addRequired(user1);
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User2 user2 = new User2();
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user2.setName("李四");
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user2Service.addRequiredException(user2);
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}
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}

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