一、我们来实现一个mysql与clickhouse多数据源配置
二、数据源配置
# 指定服务名称
spring:
application:
name: demobigdata
datasource:
driver-class-name: com.mysql.jdbc.Driver
url: jdbc:mysql://127.0.0.1:3306/db?createDatabaseIfNotExist=true&useUnicode=true&characterEncoding=utf-8&serverTimezone=Asia/Shanghai&useSSL=false&zeroDateTimeBehavior=convertToNull&allowMultiQueries=true&useAffectedRows=true&allowPublicKeyRetrieval=true
username: root
password: 123456
type: com.alibaba.druid.pool.DruidDataSource
druid:
# 数据源 clickhouse
clickhouse:
driverClassName: com.clickhouse.jdbc.ClickHouseDriver
url: jdbc:clickhouse://192.168.42.142:8123/bigdata
username: default
password: 123456
initialSize: 10
maxActive: 100
minIdle: 10
maxWait: 6000
三、MysqlDuridConfig
import javax.sql.DataSource;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionFactoryBean;
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 org.springframework.context.annotation.Primary;
import org.springframework.core.io.Resource;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import com.alibaba.druid.pool.DruidDataSource;
@Configuration
@MapperScan(basePackages = "org.demoflowable.mysql.dao")
public class MysqlDuridConfig {
@javax.annotation.Resource
MysqlJdbcParamConfig mysqlJdbcParamConfig;
@Bean("mysqlDataSource")
@Primary
public DataSource mysqlDataSource() {
DruidDataSource datasource = new DruidDataSource();
datasource.setUrl(mysqlJdbcParamConfig.getUrl());
datasource.setDriverClassName(mysqlJdbcParamConfig.getDriverClassName());
datasource.setUsername(mysqlJdbcParamConfig.getUsername());
datasource.setPassword(mysqlJdbcParamConfig.getPassword());
return datasource;
}
@Bean("mysqlTransactionManager")
@Primary
public DataSourceTransactionManager getDataSourceTransactionManager(
@Qualifier("mysqlDataSource") DataSource dataSource) {
return new DataSourceTransactionManager(dataSource);
}
@Bean("sqlSessionFactory")
@Primary
public SqlSessionFactory getSqlSessionManager(@Qualifier("mysqlDataSource") DataSource dataSource)
throws Exception {
SqlSessionFactoryBean bean = new SqlSessionFactoryBean();
bean.setDataSource(dataSource);
Resource[] resource = new PathMatchingResourcePatternResolver().getResources("classpath:META-INF/mapper/mysql/*.xml");
bean.setMapperLocations(resource);
Resource configLocation=new PathMatchingResourcePatternResolver().getResource("classpath:META-INF/spring/mybatis-config.xml");
bean.setConfigLocation(configLocation);
return bean.getObject();
}
}
四、MysqlJdbcParamConfig
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;
@Component
@ConfigurationProperties(prefix = "spring.datasource")
public class MysqlJdbcParamConfig {
private String driverClassName;
private String url;
private String username;
private String password;
public String getDriverClassName() {
return driverClassName;
}
public void setDriverClassName(String driverClassName) {
this.driverClassName = driverClassName;
}
public String getUrl() {
return url;
}
public void setUrl(String url) {
this.url = url;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
}
五、ClickHouseJdbcParamConfig
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;
@Component
@ConfigurationProperties(prefix = "spring.datasource.druid.clickhouse")
public class ClickHouseJdbcParamConfig {
private String driverClassName;
private String url;
private Integer initialSize;
private Integer maxActive;
private Integer minIdle;
private Integer maxWait;
private String username;
private String password;
public String getDriverClassName() {
return driverClassName;
}
public void setDriverClassName(String driverClassName) {
this.driverClassName = driverClassName;
}
public String getUrl() {
return url;
}
public void setUrl(String url) {
this.url = url;
}
public Integer getInitialSize() {
return initialSize;
}
public void setInitialSize(Integer initialSize) {
this.initialSize = initialSize;
}
public Integer getMaxActive() {
return maxActive;
}
public void setMaxActive(Integer maxActive) {
this.maxActive = maxActive;
}
public Integer getMinIdle() {
return minIdle;
}
public void setMinIdle(Integer minIdle) {
this.minIdle = minIdle;
}
public Integer getMaxWait() {
return maxWait;
}
public void setMaxWait(Integer maxWait) {
this.maxWait = maxWait;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
}
六、ClickHouseConfig
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionFactoryBean;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.Resource;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import com.alibaba.druid.pool.DruidDataSource;
@Configuration
@ConfigurationProperties
@MapperScan(basePackages = "org.demoflowable.clickhouse.dao", sqlSessionFactoryRef = "clickhouseSqlSessionFactory")
public class ClickHouseConfig {
@javax.annotation.Resource
private ClickHouseJdbcParamConfig jdbcParamConfig;
@Bean("clickDataSource")
public DataSource dataSource() {
DruidDataSource datasource = new DruidDataSource();
datasource.setUrl(jdbcParamConfig.getUrl());
datasource.setDriverClassName(jdbcParamConfig.getDriverClassName());
datasource.setInitialSize(jdbcParamConfig.getInitialSize());
datasource.setMinIdle(jdbcParamConfig.getMinIdle());
datasource.setMaxActive(jdbcParamConfig.getMaxActive());
datasource.setMaxWait(jdbcParamConfig.getMaxWait());
datasource.setUsername(jdbcParamConfig.getUsername());
datasource.setPassword(jdbcParamConfig.getPassword());
return datasource;
}
@Bean("clickTransactionManager")
public DataSourceTransactionManager getDataSourceTransactionManager(
@Qualifier("clickDataSource") DataSource dataSource) {
return new DataSourceTransactionManager(dataSource);
}
@Bean("clickhouseSqlSessionFactory")
public SqlSessionFactory getSqlSessionManager(@Qualifier("clickDataSource") DataSource dataSource)
throws Exception {
SqlSessionFactoryBean bean = new SqlSessionFactoryBean();
bean.setDataSource(dataSource);
Resource[] resource = new PathMatchingResourcePatternResolver()
.getResources("classpath:META-INF/mapper/clickhouse/*.xml");
bean.setMapperLocations(resource);
return bean.getObject();
}
}
七、启动类Application
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
/**
* @Description: 启动类
*/
@SpringBootApplication
@ComponentScan({ "org.demoflowable" })
public class Application {
/**
* @Title: main
* @Description: 启动类
* @param args
* @date 2023-11-08 01:49:23
*/
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
}