com.alejandroszlv.mock.repository.config.RepositoryConfig.java Source code

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Here is the source code for com.alejandroszlv.mock.repository.config.RepositoryConfig.java

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package com.alejandroszlv.mock.repository.config;

import com.alejandroszlv.mock.repository.RepositoryPackage;
import com.alejandroszlv.mock.repository.data.RepositoryDataPackage;
import java.util.Properties;
import javax.persistence.EntityManagerFactory;
import javax.sql.DataSource;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.beans.factory.config.PropertyPlaceholderConfigurer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.ClassPathResource;
import org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor;
import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
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 Alex
 */
@EnableTransactionManagement
@EnableJpaRepositories(basePackageClasses = { RepositoryDataPackage.class })
@ComponentScan(basePackageClasses = { RepositoryPackage.class })
@Configuration
public class RepositoryConfig {

    @Value("${db.driver}")
    private String dbDriver;

    @Value("${db.url}")
    private String dbURL;

    @Value("${db.user}")
    private String dbUser;

    @Value("${db.password}")
    private String dbPAssword;

    @Bean
    public LocalContainerEntityManagerFactoryBean entityManagerFactory() {
        LocalContainerEntityManagerFactoryBean em = new LocalContainerEntityManagerFactoryBean();
        em.setDataSource(dataSource());
        em.setPackagesToScan(new String[] { "com.alejandroszlv.mock.entity" });

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

        return em;
    }

    @Bean
    public DataSource dataSource() {
        DriverManagerDataSource dataSource = new DriverManagerDataSource();
        dataSource.setDriverClassName(dbDriver);
        dataSource.setUrl(dbURL);
        dataSource.setUsername(dbUser);
        dataSource.setPassword(dbPAssword);
        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.dialect", "org.hibernate.dialect.DerbyDialect");
        return properties;
    }

    @Bean
    public static PropertyPlaceholderConfigurer properties() {
        PropertyPlaceholderConfigurer properties = new PropertyPlaceholderConfigurer();
        ClassPathResource[] resources = new ClassPathResource[] { new ClassPathResource("db.properties") };
        properties.setLocations(resources);
        properties.setIgnoreUnresolvablePlaceholders(true);
        return properties;
    }

}