SpringBoot分散式事物管理
阿新 • • 發佈:2018-12-06
新增配置檔案資訊
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jta-atomikos</artifactId>
</dependency>
新增配置檔案資訊
# Mysql 1 mysql.datasource.test.url = jdbc:mysql://localhost:3306/test01?useUnicode=true&characterEncoding=utf-8 mysql.datasource.test.username = root mysql.datasource.test.password = root mysql.datasource.test.minPoolSize = 3 mysql.datasource.test.maxPoolSize = 25 mysql.datasource.test.maxLifetime = 20000 mysql.datasource.test.borrowConnectionTimeout = 30 mysql.datasource.test.loginTimeout = 30 mysql.datasource.test.maintenanceInterval = 60 mysql.datasource.test.maxIdleTime = 60 mysql.datasource.test.testQuery = select 1 # Mysql 2 mysql.datasource.test2.url =jdbc:mysql://localhost:3306/test02?useUnicode=true&characterEncoding=utf-8 mysql.datasource.test2.username =root mysql.datasource.test2.password =root mysql.datasource.test2.minPoolSize = 3 mysql.datasource.test2.maxPoolSize = 25 mysql.datasource.test2.maxLifetime = 20000 mysql.datasource.test2.borrowConnectionTimeout = 30 mysql.datasource.test2.loginTimeout = 30 mysql.datasource.test2.maintenanceInterval = 60 mysql.datasource.test2.maxIdleTime = 60 mysql.datasource.test2.testQuery = select 1
讀取配置檔案資訊
package com.itmayiedu.config; import org.springframework.boot.context.properties.ConfigurationProperties; @ConfigurationProperties(prefix = "mysql.datasource.test") public class DBConfig1 { private String url; private String username; private String password; private int minPoolSize; private int maxPoolSize; private int maxLifetime; private int borrowConnectionTimeout; private int loginTimeout; private int maintenanceInterval; private int maxIdleTime; private String testQuery; } package com.itmayiedu.config; import org.springframework.boot.context.properties.ConfigurationProperties; @ConfigurationProperties(prefix = "mysql.datasource.test1") public class DBConfig2 { private String url; private String username; private String password; private int minPoolSize; private int maxPoolSize; private int maxLifetime; private int borrowConnectionTimeout; private int loginTimeout; private int maintenanceInterval; private int maxIdleTime; private String testQuery; }
建立多資料來源
@Configuration // basePackages 最好分開配置 如果放在同一個資料夾可能會報錯 @MapperScan(basePackages = "com.itmayiedu.test01", sqlSessionTemplateRef = "testSqlSessionTemplate") public class TestMyBatisConfig1 { // 配置資料來源 @Primary @Bean(name = "testDataSource") public DataSource testDataSource(DBConfig1 testConfig) throws SQLException { MysqlXADataSource mysqlXaDataSource = new MysqlXADataSource(); mysqlXaDataSource.setUrl(testConfig.getUrl()); mysqlXaDataSource.setPinGlobalTxToPhysicalConnection(true); mysqlXaDataSource.setPassword(testConfig.getPassword()); mysqlXaDataSource.setUser(testConfig.getUsername()); mysqlXaDataSource.setPinGlobalTxToPhysicalConnection(true); AtomikosDataSourceBean xaDataSource = new AtomikosDataSourceBean(); xaDataSource.setXaDataSource(mysqlXaDataSource); xaDataSource.setUniqueResourceName("testDataSource"); xaDataSource.setMinPoolSize(testConfig.getMinPoolSize()); xaDataSource.setMaxPoolSize(testConfig.getMaxPoolSize()); xaDataSource.setMaxLifetime(testConfig.getMaxLifetime()); xaDataSource.setBorrowConnectionTimeout(testConfig.getBorrowConnectionTimeout()); xaDataSource.setLoginTimeout(testConfig.getLoginTimeout()); xaDataSource.setMaintenanceInterval(testConfig.getMaintenanceInterval()); xaDataSource.setMaxIdleTime(testConfig.getMaxIdleTime()); xaDataSource.setTestQuery(testConfig.getTestQuery()); return xaDataSource; } @Bean(name = "testSqlSessionFactory") public SqlSessionFactory testSqlSessionFactory(@Qualifier("testDataSource") DataSource dataSource) throws Exception { SqlSessionFactoryBean bean = new SqlSessionFactoryBean(); bean.setDataSource(dataSource); return bean.getObject(); } @Bean(name = "testSqlSessionTemplate") public SqlSessionTemplate testSqlSessionTemplate( @Qualifier("testSqlSessionFactory") SqlSessionFactory sqlSessionFactory) throws Exception { return new SqlSessionTemplate(sqlSessionFactory); } } package com.itmayiedu.datasource; import java.sql.SQLException; import javax.sql.DataSource; import org.apache.ibatis.session.SqlSessionFactory; import org.mybatis.spring.SqlSessionFactoryBean; import org.mybatis.spring.SqlSessionTemplate; import org.mybatis.spring.annotation.MapperScan; import org.springframework.beans.factory.annotation.Qualifier; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import com.atomikos.jdbc.AtomikosDataSourceBean; import com.itmayiedu.config.DBConfig1; import com.mysql.jdbc.jdbc2.optional.MysqlXADataSource; @Configuration // basePackages 最好分開配置 如果放在同一個資料夾可能會報錯 @MapperScan(basePackages = "com.itmayiedu.test02", sqlSessionTemplateRef = "test2SqlSessionTemplate") public class TestMyBatisConfig2 { // 配置資料來源 @Bean(name = "test2DataSource") public DataSource testDataSource(DBConfig1 testConfig) throws SQLException { MysqlXADataSource mysqlXaDataSource = new MysqlXADataSource(); mysqlXaDataSource.setUrl(testConfig.getUrl()); mysqlXaDataSource.setPinGlobalTxToPhysicalConnection(true); mysqlXaDataSource.setPassword(testConfig.getPassword()); mysqlXaDataSource.setUser(testConfig.getUsername()); mysqlXaDataSource.setPinGlobalTxToPhysicalConnection(true); AtomikosDataSourceBean xaDataSource = new AtomikosDataSourceBean(); xaDataSource.setXaDataSource(mysqlXaDataSource); xaDataSource.setUniqueResourceName("test2DataSource"); xaDataSource.setMinPoolSize(testConfig.getMinPoolSize()); xaDataSource.setMaxPoolSize(testConfig.getMaxPoolSize()); xaDataSource.setMaxLifetime(testConfig.getMaxLifetime()); xaDataSource.setBorrowConnectionTimeout(testConfig.getBorrowConnectionTimeout()); xaDataSource.setLoginTimeout(testConfig.getLoginTimeout()); xaDataSource.setMaintenanceInterval(testConfig.getMaintenanceInterval()); xaDataSource.setMaxIdleTime(testConfig.getMaxIdleTime()); xaDataSource.setTestQuery(testConfig.getTestQuery()); return xaDataSource; } @Bean(name = "test2SqlSessionFactory") public SqlSessionFactory testSqlSessionFactory(@Qualifier("test2DataSource") DataSource dataSource) throws Exception { SqlSessionFactoryBean bean = new SqlSessionFactoryBean(); bean.setDataSource(dataSource); return bean.getObject(); } @Bean(name = "test2SqlSessionTemplate") public SqlSessionTemplate testSqlSessionTemplate( @Qualifier("test2SqlSessionFactory") SqlSessionFactory sqlSessionFactory) throws Exception { return new SqlSessionTemplate(sqlSessionFactory); } }
啟動載入配置
@EnableConfigurationProperties(value = { DBConfig1.class, DBConfig2.class })