背景
最近公司在服务拆迁,接口转移,相同的功能接口到要迁移到对应的服务中,因为时间比较赶,别问为什么没给时间,没人,没资源,但是活还是得干的,为了减少工作量和稳妥的需要分两步走
- 先迁移相关代码,保证包的路径不变,请求接口的路径不变
- 将迁移的相关代码进行迁表迁库(这目前还没做,计划9月实施)
实施
配置文件
数据库配置相关类
import com.alibaba.druid.pool.DruidDataSource;
import java.io.Serializable;
import java.sql.SQLException;
public class JdbcConfig implements Serializable {
public JdbcConfig() {
super();
// TODO Auto-generated constructor stub
}
public boolean isDecrypt() {
return decrypt;
}
public void setDecrypt(boolean decrypt) {
this.decrypt = decrypt;
}
public String getDriverClass() {
return driverClass;
}
public void setDriverClass(String driverClass) {
this.driverClass = driverClass;
}
public String getTerminalUrl() { return terminalUrl; }
public void setTerminalUrl(String terminalUrl) { this.terminalUrl = terminalUrl; }
public String getSlaveurl() {
return slaveurl;
}
public void setSlaveurl(String slaveurl) {
this.slaveurl = slaveurl;
}
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;
}
public int getInitialSize() {
return initialSize;
}
public void setInitialSize(int initialSize) {
this.initialSize = initialSize;
}
public int getMinIdle() {
return minIdle;
}
public void setMinIdle(int minIdle) {
this.minIdle = minIdle;
}
public int getMaxActive() {
return maxActive;
}
public void setMaxActive(int maxActive) {
this.maxActive = maxActive;
}
private boolean decrypt;
private String driverClass;
private String terminalUrl;
private String slaveurl;
private String username;
private String password;
private int initialSize;
private int minIdle;
private int maxActive;
public DruidDataSource mainds() throws SQLException {
DruidDataSource ds = ds();
ds.setUrl(terminalUrl);
return ds;
}
public DruidDataSource slaveds() throws SQLException {
DruidDataSource ds = ds();
ds.setUrl(slaveurl);
return ds;
}
private DruidDataSource ds() throws SQLException {
DruidDataSource ds = new DruidDataSource();
ds.setUrl(terminalUrl);
ds.setUsername(username);
ds.setPassword(password);
ds.setFilters("config");
ds.setConnectionProperties("config.decrypt=" + decrypt);
ds.setInitialSize(initialSize);
ds.setMaxActive(maxActive);
ds.setTimeBetweenEvictionRunsMillis(60000);
ds.setMinEvictableIdleTimeMillis(300000);
ds.setValidationQuery("select 'X'");
ds.setTestWhileIdle(true);
ds.setTestOnBorrow(false);
ds.setTestOnReturn(false);
System.out.println("terminalUrl: " + terminalUrl);
return ds;
}
}相关配置
@Bean
@ConfigurationProperties(prefix = "jdbc")
public JdbcConfig jdbcConfig() {
return new JdbcConfig();
}
@Bean
@ConfigurationProperties(prefix = "business.jdbc")
public JdbcConfig businessJdbcConfig() {
return new JdbcConfig();
}
@Bean(initMethod = "init", destroyMethod = "close")
public DruidDataSource businessDataSource() throws SQLException {
return businessJdbcConfig().mainds();
}
@Bean(initMethod = "init", destroyMethod = "close")
public DruidDataSource masterDataSource() throws SQLException {
return jdbcConfig().mainds();
}
@Bean("jdbctemplate")
public JdbcTemplate jdbcTemplate() throws SQLException {
JdbcTemplate t = new JdbcTemplate();
t.setDataSource(masterDataSource());
return t;
}
@Bean("businessJdbctemplate")
public JdbcTemplate businessjdbcTemplate() throws SQLException {
JdbcTemplate t = new JdbcTemplate();
t.setDataSource(businessDataSource());
return t;
}使用
@Bean
public RobotDataDao robotDataDao() throws SQLException {
RobotDataDao dao = new RobotDataDao();
dao.setJdbcTemplate(jdbcTemplate());
dao.setTableName("t_business_robot_data");
dao.setPrimaryKey("id");
dao.setSeqName("seq_t_business");
return dao;
}
@Bean
public VDeviceDao vdeviceDao() throws SQLException {
VDeviceDao dao = new VDeviceDao();
dao.setJdbcTemplate(businessjdbcTemplate());
dao.setTableName("t_device");
dao.setPrimaryKey("id");
dao.setSeqName("seq_t_default");
return dao;
}特别注意的,一定要配置的,因为现在有多数据源了就要配置对应的事务配置,单个默认的,多个就要指定
@Configuration
public class TransactionConfig {
@Bean
public PlatformTransactionManager bfscrmTransactionManager(@Qualifier("masterDataSource") DataSource masterDataSource) {
return new DataSourceTransactionManager(masterDataSource);
}
}
这就配置好了多个数据源了
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