AppConfig.java

package sk.nociar.jpacloner;

import javax.sql.DataSource;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
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.HibernateJpaVendorAdapter;
import org.springframework.transaction.annotation.EnableTransactionManagement;

@Configuration
@EnableTransactionManagement
public class AppConfig {
	@Autowired
	DataSource dataSource;

	@Bean
	public LocalContainerEntityManagerFactoryBean entityManagerFactoryBean() {
		LocalContainerEntityManagerFactoryBean emf = new LocalContainerEntityManagerFactoryBean();
		emf.setDataSource(dataSource);
		emf.setPackagesToScan("sk.nociar.jpacloner.entities");
		HibernateJpaVendorAdapter vendorAdapter = new HibernateJpaVendorAdapter();
		vendorAdapter.setDatabase(Database.H2);
		vendorAdapter.setGenerateDdl(false);
		vendorAdapter.setShowSql(true);
		emf.setJpaVendorAdapter(vendorAdapter);
		return emf;
	}

	@Bean
	public JpaTransactionManager transactionManager() {
		JpaTransactionManager transactionManager = new JpaTransactionManager();
		transactionManager.setEntityManagerFactory(entityManagerFactoryBean().getObject());
		return transactionManager;
	}
	
}