com.sapito.db.config.PersistenceConfig.java Source code

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Here is the source code for com.sapito.db.config.PersistenceConfig.java

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package com.sapito.db.config;

import java.util.Properties;
import javax.naming.InitialContext;
import javax.naming.NamingException;
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.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 giovanni
 */
@Configuration
@EnableTransactionManagement
public class PersistenceConfig {
    @Bean
    public LocalContainerEntityManagerFactoryBean entityManagerFactoryBean() {
        LocalContainerEntityManagerFactoryBean em = new LocalContainerEntityManagerFactoryBean();

        em.setDataSource(dataSource());
        em.setPackagesToScan(new String[] { "com.sapito.db.entities" });

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

        return em;
    }

    @Bean
    public DataSource dataSource() {
        try {
            InitialContext context = new InitialContext();
            return (DataSource) context.lookup("jdbc/sapito");
        } catch (NamingException ex) {
            System.err.println("Exception getting jdbc/sapito from jndi");
            ex.getExplanation();
            return null;
        }
    }

    @Bean
    public PlatformTransactionManager transactionManager(EntityManagerFactory emf) {
        JpaTransactionManager transactionMgr = new JpaTransactionManager();
        transactionMgr.setEntityManagerFactory(entityManagerFactoryBean().getObject());

        return transactionMgr;
    }

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

    public Properties additionalProperties() {
        return new Properties() {
            {
                //                setProperty("hibernate.hbm2ddl.auto", "create");
                setProperty("hibernate.dialect", "org.hibernate.dialect.PostgreSQLDialect");
            }
        };

    }

}