HibernateConfiguration.java

package com.jtspringproject.JtSpringProject;
 
import java.util.Properties;
 
import javax.sql.DataSource;
 
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.jdbc.datasource.DriverManagerDataSource;
import org.springframework.orm.hibernate5.HibernateTransactionManager;
import org.springframework.orm.hibernate5.LocalSessionFactoryBean;
import org.springframework.transaction.annotation.EnableTransactionManagement;

import org.springframework.orm.jpa.JpaVendorAdapter;
import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter;
@Configuration
@EnableTransactionManagement
public class HibernateConfiguration {
    @Value("${db.driver}")
    private String DRIVER;
 
    @Value("${db.password}")
    private String PASSWORD;
 
    @Value("${db.url}")
    private String URL;
 
    @Value("${db.username}")
    private String USERNAME;
 
    @Value("${hibernate.dialect}")
    private String DIALECT;
 
    @Value("${hibernate.show_sql}")
    private String SHOW_SQL;
 
    @Value("${hibernate.hbm2ddl.auto}")
    private String HBM2DDL_AUTO;
 
    @Value("${entitymanager.packagesToScan}")
    private String PACKAGES_TO_SCAN;
 
    @Bean
    public DataSource dataSource() {
        DriverManagerDataSource dataSource = new DriverManagerDataSource();
        dataSource.setDriverClassName(DRIVER);
        dataSource.setUrl(URL);
        dataSource.setUsername(USERNAME);
        dataSource.setPassword(PASSWORD);
        return dataSource;
    }
 
    @Bean
    public LocalSessionFactoryBean sessionFactory() {
        LocalSessionFactoryBean sessionFactory = new LocalSessionFactoryBean();
        sessionFactory.setDataSource(dataSource());
        sessionFactory.setPackagesToScan(PACKAGES_TO_SCAN);
        Properties hibernateProperties = new Properties();
        hibernateProperties.put("hibernate.dialect", DIALECT);
        hibernateProperties.put("hibernate.show_sql", SHOW_SQL);
        hibernateProperties.put("hibernate.hbm2ddl.auto", HBM2DDL_AUTO);
        sessionFactory.setHibernateProperties(hibernateProperties);
 
        return sessionFactory;
    }
 
    @Bean
    public HibernateTransactionManager transactionManager() {
        HibernateTransactionManager transactionManager = new HibernateTransactionManager();
        transactionManager.setSessionFactory(sessionFactory().getObject());
        return transactionManager;
    }   
    
    @Bean
    public LocalContainerEntityManagerFactoryBean entityManagerFactory(DataSource dataSource) {
        LocalContainerEntityManagerFactoryBean em = new LocalContainerEntityManagerFactoryBean();
        em.setDataSource(dataSource);
        em.setPackagesToScan(PACKAGES_TO_SCAN);

        JpaVendorAdapter vendorAdapter = new HibernateJpaVendorAdapter();
        em.setJpaVendorAdapter(vendorAdapter);

        Properties jpaProperties = new Properties();
        jpaProperties.put("hibernate.dialect", DIALECT);
        jpaProperties.put("hibernate.show_sql", SHOW_SQL);
        jpaProperties.put("hibernate.hbm2ddl.auto", HBM2DDL_AUTO);
        em.setJpaProperties(jpaProperties);

        return em;
    }

}