JpaConfig.java

package com.hantsylabs.example.spring.config;

import java.util.Properties;

import javax.sql.DataSource;

import org.hibernate.jpa.HibernatePersistenceProvider;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.AdviceMode;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseBuilder;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseType;
import org.springframework.orm.jpa.JpaTransactionManager;
import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;

@Configuration
@ComponentScan(basePackages = {"com.hantsylabs.example.spring.repository" })
@EnableTransactionManagement(mode = AdviceMode.ASPECTJ)
public class JpaConfig {

	@Bean
	public DataSource dataSource() {
		return new EmbeddedDatabaseBuilder().setType(EmbeddedDatabaseType.H2)
				.build();
	}

	@Bean
	public LocalContainerEntityManagerFactoryBean entityManagerFactory() {
		LocalContainerEntityManagerFactoryBean emf = new LocalContainerEntityManagerFactoryBean();
		emf.setDataSource(dataSource());
		emf.setPackagesToScan("com.hantsylabs.example.spring.model");
		emf.setPersistenceProvider(new HibernatePersistenceProvider());
		emf.setJpaProperties(jpaProperties());
		return emf;
	}

	private Properties jpaProperties() {
		Properties extraProperties = new Properties();
		extraProperties.put("hibernate.format_sql", "true");
		extraProperties.put("hibernate.show_sql", "true");
		extraProperties.put("hibernate.hbm2ddl.auto", "create");
		return extraProperties;
	}

	@Bean
	public PlatformTransactionManager transactionManager() {
		return new JpaTransactionManager(entityManagerFactory().getObject());
	}


}