JpaConfig.java

package net.eusashead.bjugquerydsl.config;

import javax.persistence.EntityManagerFactory;
import javax.sql.DataSource;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseBuilder;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseType;
import org.springframework.orm.jpa.JpaDialect;
import org.springframework.orm.jpa.JpaTransactionManager;
import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
import org.springframework.orm.jpa.vendor.Database;
import org.springframework.orm.jpa.vendor.HibernateJpaDialect;
import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;

@Configuration

@EnableJpaRepositories(basePackageClasses={net.eusashead.bjugquerydsl.data.repository.Marker.class})
@EnableTransactionManagement
public class JpaConfig {
	
	@Bean 
	public DataSource dataSource() {
        EmbeddedDatabaseBuilder builder = new EmbeddedDatabaseBuilder();
        builder.addScript("schema.sql");
        builder.addScript("data.sql");
        return builder.setType(EmbeddedDatabaseType.H2).build();
    }

    @Bean(name="entityManagerFactory")
    public EntityManagerFactory entityManagerFactory() {
        HibernateJpaVendorAdapter vendorAdapter = new HibernateJpaVendorAdapter();
        vendorAdapter.setDatabase(Database.H2);
        vendorAdapter.setGenerateDdl(false);
        vendorAdapter.setShowSql(true);

        LocalContainerEntityManagerFactoryBean factory = new LocalContainerEntityManagerFactoryBean();
        factory.setJpaVendorAdapter(vendorAdapter);
        factory.setPackagesToScan("net.eusashead.bjugquerydsl.data");
        factory.setDataSource(dataSource());

        factory.afterPropertiesSet();

        return factory.getObject();
    }

    @Bean 
    public JpaDialect jpaDialect() {
        return new HibernateJpaDialect();
    }

    @Bean 
    public PlatformTransactionManager transactionManager() {
        JpaTransactionManager txManager = new JpaTransactionManager();
        txManager.setEntityManagerFactory(entityManagerFactory());
        return txManager;
    }
    
}