com.mybatisflex.spring.boot.FlexTransactionAutoConfiguration Maven / Gradle / Ivy
/*
* Copyright (c) 2022-2025, Mybatis-Flex ([email protected]).
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.mybatisflex.spring.boot;
import com.mybatisflex.core.row.Db;
import com.mybatisflex.spring.FlexTransactionManager;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.AutoConfigureBefore;
import org.springframework.boot.autoconfigure.AutoConfigureOrder;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.jdbc.DataSourceTransactionManagerAutoConfiguration;
import org.springframework.boot.autoconfigure.transaction.TransactionAutoConfiguration;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.Ordered;
import org.springframework.lang.NonNull;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.TransactionManager;
import org.springframework.transaction.annotation.TransactionManagementConfigurer;
/**
* MyBatis-Flex 事务自动配置。
*
* @author michael
*/
@ConditionalOnClass(Db.class)
@ConditionalOnMissingBean(TransactionManager.class)
@Configuration(proxyBeanMethods = false)
@AutoConfigureOrder(Ordered.HIGHEST_PRECEDENCE)
@AutoConfigureAfter({MybatisFlexAutoConfiguration.class})
@AutoConfigureBefore(value = {TransactionAutoConfiguration.class, DataSourceTransactionManagerAutoConfiguration.class})
public class FlexTransactionAutoConfiguration implements TransactionManagementConfigurer {
/**
* 这里使用 final 修饰属性是因为：
*
* 1、调用 {@link #annotationDrivenTransactionManager} 方法会返回 TransactionManager 对象
* 2、{@code @Bean} 注入又会返回 TransactionManager 对象
*
* 需要保证两个对象的一致性。
*/
private final FlexTransactionManager flexTransactionManager = new FlexTransactionManager();
@NonNull
@Override
@Bean(name = "transactionManager")
public PlatformTransactionManager annotationDrivenTransactionManager() {
return flexTransactionManager;
}
}