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package com.example.duplicate.config;
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import org.apache.ibatis.session.SqlSessionFactory;
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import org.mybatis.spring.SqlSessionFactoryBean;
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import org.mybatis.spring.annotation.MapperScan;
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import org.springframework.beans.factory.annotation.Qualifier;
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import org.springframework.boot.context.properties.ConfigurationProperties;
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import org.springframework.boot.jdbc.DataSourceBuilder;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.context.annotation.Primary;
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import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
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import org.springframework.jdbc.datasource.DataSourceTransactionManager;
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import org.springframework.transaction.PlatformTransactionManager;
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import javax.sql.DataSource;
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/**
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* @ClassName RecordConfig
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* @Description 归档数据数据源配置
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* @Author linjj
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* @Date 2023/8/2 16:48
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* @Version 1.0
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*/
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@Configuration
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// 指定主数据库扫描对应的Mapper文件，生成代理对象
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@MapperScan(basePackages ="com.example.duplicate.infrastructure.configTwoDao" ,sqlSessionFactoryRef = "configTwoSqlSessionFactory")
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public class ConfigTwo {
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// mapper.xml所在地址
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private static final String MAPPER_LOCATION = "classpath*:mapper2/*.xml";
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/**
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* 主数据源，Primary注解必须增加，它表示该数据源为默认数据源
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* 项目中还可能存在其他的数据源，如获取时不指定名称，则默认获取这个数据源，如果不添加，则启动时候回报错
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*/
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@Primary
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@Bean(name = "configTwoDataSource")
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// 读取spring.datasource.master前缀的配置文件映射成对应的配置对象
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@ConfigurationProperties(prefix = "spring.datasource.db2")
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public DataSource dataSource() {
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DataSource build = DataSourceBuilder.create().build();
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return build;
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}
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/**
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* 事务管理器，Primary注解作用同上
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*/
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@Bean(name = "configTwoTransactionManager")
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@Primary
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public PlatformTransactionManager dataSourceTransactionManager(@Qualifier("configTwoDataSource") DataSource dataSource) {
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return new DataSourceTransactionManager(dataSource);
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}
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/**
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* session工厂，Primary注解作用同上
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*/
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@Bean(name = "configTwoSqlSessionFactory")
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@Primary
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public SqlSessionFactory sqlSessionFactory(@Qualifier("configTwoDataSource") DataSource dataSource) throws Exception {
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final SqlSessionFactoryBean sessionFactoryBean = new SqlSessionFactoryBean();
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sessionFactoryBean.setDataSource(dataSource);
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sessionFactoryBean.setMapperLocations(new PathMatchingResourcePatternResolver().getResources(ConfigTwo.MAPPER_LOCATION));
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return sessionFactoryBean.getObject();
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}
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}
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