net.eusashead.hateoas.springhalbuilder.config.JpaConfig.java Source code

Introduction

Here is the source code for net.eusashead.hateoas.springhalbuilder.config.JpaConfig.java

Source

package net.eusashead.hateoas.springhalbuilder.config;

/*
 * #[license]
 * Spring HalBuilder Example Webapp
 * %%
 * Copyright (C) 2013 Eusa's Head
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * %[license]
 */

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

import net.eusashead.hateoas.springhalbuilder.repository.Marker;

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 = { 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.hateoas.springhalbuilder.model");
        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;
    }

}