How to configure multiple datasources using java Hibernate configuration class - spring

Question

We are configuring Hibernate using java, here is our code to configure hibernate.
#Configuration
#EnableTransactionManagement
#ComponentScan({ "org.npcc.ccms.config" })
#PropertySource(value = { "classpath:application.properties" })
public class HibernateConfiguration {
final static Logger logger = LogManager.getLogger(HibernateConfiguration.class);
#Autowired
private Environment environment;
#Bean
public LocalSessionFactoryBean sessionFactory() {
LocalSessionFactoryBean sessionFactory = new LocalSessionFactoryBean();
sessionFactory.setDataSource(dataSource());
sessionFactory.setPackagesToScan(new String[] { "org.npcc.ccms.model" });
sessionFactory.setHibernateProperties(hibernateProperties());
return sessionFactory;
}
#Bean(destroyMethod="")
public DataSource dataSource() {
JndiTemplate jndi = new JndiTemplate();
DataSource dataSource = null;
try {
dataSource = (DataSource) jndi.lookup(environment.getRequiredProperty("datasource"));
} catch (NamingException e) {
logger.error("NamingException for java:comp/env/jdbc/ccms_cp1_orcl", e);
}
return dataSource;
}
private Properties hibernateProperties() {
Properties properties = new Properties();
properties.put("hibernate.dialect", environment.getRequiredProperty("hibernate.dialect"));
properties.put("hibernate.show_sql", environment.getRequiredProperty("hibernate.show_sql"));
properties.put("hibernate.format_sql", environment.getRequiredProperty("hibernate.format_sql"));
return properties;
}
#Bean
#Autowired
public HibernateTransactionManager transactionManager(SessionFactory s) {
HibernateTransactionManager txManager = new HibernateTransactionManager();
txManager.setSessionFactory(s);
return txManager;
}
}
My question is how can configure another datasource within same hibernate configuration class? I found solution here but using xml configuration, how this works using java configuration? Thanks in advance.

Answer 1

You will need two different beans annotated as follows:
#Bean(name="SessionFactory")
public SessionFactory sessionFactory() {
}
and:
#Bean(name="OtherSessionFactory")
public SessionFactory otherSessionFactory() {
}
And two datasources configured appropriately.
Then when you want to use the other SessionFactory you just need:
#Autowired
#Qualifier("SessionFactory")
SessionFactory sessionFactory
or
#Autowired
#Qualifier("OtherSessionFactory")
SessionFactory sessionFactory