com.mycompany.spring2explore.config.PersistenceJPAConfig.java Source code

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package com.mycompany.spring2explore.config;

import java.util.Properties;
import javax.persistence.EntityManagerFactory;
import javax.sql.DataSource;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor;
import org.springframework.jdbc.datasource.DriverManagerDataSource;
import org.springframework.orm.jpa.JpaTransactionManager;
import org.springframework.orm.jpa.JpaVendorAdapter;
import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;

/**
 *
 * @author juang
 */
@Configuration
@EnableTransactionManagement
public class PersistenceJPAConfig {

    @Bean
    public LocalContainerEntityManagerFactoryBean entityManagerFactory() {
        LocalContainerEntityManagerFactoryBean em = new LocalContainerEntityManagerFactoryBean();
        em.setDataSource(dataSource());
        em.setPackagesToScan(new String[] { "com.mycompany.spring2explore.entities" });

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

        return em;
    }

    @Bean
    public DataSource dataSource() {
        DriverManagerDataSource dataSource = new DriverManagerDataSource();
        dataSource.setDriverClassName("org.postgresql.Driver");
        dataSource.setUrl("jdbc:postgresql://127.0.0.1:5432/mydb");
        dataSource.setUsername("postgres");
        dataSource.setPassword("pwdpsql");
        return dataSource;
    }

    //    @Bean
    //    public DataSource dataSource() {
    //        DriverManagerDataSource dataSource = new DriverManagerDataSource();
    //        dataSource.setDriverClassName("com.mysql.jdbc.Driver");
    //        dataSource.setUrl("jdbc:mysql://localhost:3306/spring2explore");
    //        dataSource.setUsername("root");
    //        dataSource.setPassword("pwdroot");
    //        return dataSource;
    //    }
    @Bean
    public PlatformTransactionManager transactionManager(EntityManagerFactory emf) {
        JpaTransactionManager transactionManager = new JpaTransactionManager();
        transactionManager.setEntityManagerFactory(emf);

        return transactionManager;
    }

    @Bean
    public PersistenceExceptionTranslationPostProcessor exceptionTranslation() {
        return new PersistenceExceptionTranslationPostProcessor();
    }

    Properties additionalProperties() {
        Properties properties = new Properties();
        properties.setProperty("hibernate.hbm2ddl.auto", "update");
        //perubahan dialect ke postgresql
        properties.setProperty("hibernate.dialect", "org.hibernate.dialect.PostgreSQLDialect");
        //jika menggunakan mysql dialect sbb:
        //properties.setProperty("hibernate.dialect", "org.hibernate.dialect.MySQL5Dialect");
        return properties;
    }
}