Hi Harshit S.

project structure:

multiple datasource config as follows:

step 1:

step 2:add a datasource configuration class

@Configuration
public class DataSourceConfig {
// ape datasource config
@Value("${spring.ape-datasource.driver-class-name}")
private String apeDriverClassName; @Value("${spring.ape-datasource.url}")
private String apeDBUrl; @Value("${spring.ape-datasource.username}")
private String apeDBUsername; @Value("${spring.ape-datasource.password}")
private String apeDBPassword; // DBQ datasource config
@Value("${spring.dbq-datasource.url}")
private String dbqDBUrl; @Value("${spring.dbq-datasource.username}")
private String dbqDBUsername; @Value("${spring.dbq-datasource.password}")
private String dbqDBPassword; @Value("${spring.dbq-datasource.driver-class-name}")
private String dbqDriverClassName; @Primary
@Bean(name = "apeDataSource")
@Qualifier("apeDataSource")
public DataSource apeDataSource() {
HikariDataSource dataSource = new HikariDataSource();
dataSource.setPoolName("ape pool");
dataSource.setDriverClassName(apeDriverClassName);
dataSource.setJdbcUrl(apeDBUrl);
dataSource.setUsername(apeDBUsername);
dataSource.setPassword(apeDBPassword);
dataSource.setAutoCommit(true);
dataSource.setMaximumPoolSize(20);
return dataSource;
} @Bean(name = "dbqDataSource")
@Qualifier("dbqDataSource")
public DataSource dbqDataSource() {
HikariDataSource dataSource = new HikariDataSource();
dataSource.setPoolName("DBQ pool");
dataSource.setDriverClassName(dbqDriverClassName);
dataSource.setJdbcUrl(dbqDBUrl);
dataSource.setUsername(dbqDBUsername);
dataSource.setPassword(dbqDBPassword);
dataSource.setAutoCommit(true);
dataSource.setMaximumPoolSize(20);
return dataSource;
} }

Step3: add Jpa config class

@Configuration
@EnableTransactionManagement
@EnableJpaRepositories(
entityManagerFactoryRef = "apeManagerFactory",
transactionManagerRef = "apeTransactionManager",
basePackages = {"com.cn.ano2ape.repository.ape"}
)
public class ApeJpaConfig {
@Autowired
@Qualifier("apeDataSource")
private DataSource apeDataSource; @Autowired
private JpaProperties jpaProperties; @Autowired
private HibernateProperties hibernateProperties; @Primary
@Bean(name = "apeEntityManager")
public EntityManager entityManager(EntityManagerFactoryBuilder builder) {
return apexaEntityManagerFactory(builder).getObject().createEntityManager();
} @Primary
@Bean(name = "apeManagerFactory")
public LocalContainerEntityManagerFactoryBean apexaEntityManagerFactory(EntityManagerFactoryBuilder builder) {
Map<String, Object> properties = hibernateProperties.determineHibernateProperties(jpaProperties.getProperties(), new HibernateSettings());
return builder.dataSource(apeDataSource).properties(properties).packages("com.cn.ano2ape.model.ape").build();
} @Primary
@Bean(name = "apeTransactionManager")
PlatformTransactionManager apexaTransactionManager(EntityManagerFactoryBuilder builder) {
return new JpaTransactionManager(apexaEntityManagerFactory(builder).getObject());
}
}
@Configuration
@EnableTransactionManagement
@EnableJpaRepositories(
entityManagerFactoryRef = "dbqManagerFactory",
transactionManagerRef = "dbqTransactionManager",
basePackages = {"com.cn.ano2ape.repository.dbq"}
)
public class DbqJpaConfig {
@Autowired
@Qualifier("dbqDataSource")
private DataSource dbqDataSource; @Autowired
private JpaProperties jpaProperties; @Autowired
private HibernateProperties hibernateProperties; @Bean(name = "dbqEntityManager")
public EntityManager entityManager(EntityManagerFactoryBuilder builder) {
return dbqEntityManagerFactory(builder).getObject().createEntityManager();
} @Bean(name = "dbqManagerFactory")
public LocalContainerEntityManagerFactoryBean dbqEntityManagerFactory(EntityManagerFactoryBuilder builder) {
Map<String, Object> properties = hibernateProperties.determineHibernateProperties(jpaProperties.getProperties(), new HibernateSettings());
return builder.dataSource(dbqDataSource).properties(properties).packages("com.cn.ano2ape.model.dbq").build();
} @Bean(name = "dbqTransactionManager")
PlatformTransactionManager dbqTransactionManager(EntityManagerFactoryBuilder builder) {
return new JpaTransactionManager(dbqEntityManagerFactory(builder).getObject());
}
}

end.

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