/*
* Copyright 2012-2014 the original author or authors.
*
* 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.
*/
package org.springframework.data.envers;
import java.sql.SQLException;
import java.util.Collections;
import java.util.Map;
import javax.sql.DataSource;
import org.hibernate.envers.strategy.ValidityAuditStrategy;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.envers.repository.support.EnversRevisionRepositoryFactoryBean;
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.AbstractEntityManagerFactoryBean;
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.PlatformTransactionManager;
/**
* Spring JavaConfig configuration for general infrastructure.
*
* @author Oliver Gierke
*/
@Configuration
@EnableJpaRepositories(repositoryFactoryBeanClass = EnversRevisionRepositoryFactoryBean.class)
public class Config {
@Bean
public DataSource dataSource() throws SQLException {
return new EmbeddedDatabaseBuilder().setType(EmbeddedDatabaseType.H2).build();
}
@Bean
public PlatformTransactionManager transactionManager() throws SQLException {
return new JpaTransactionManager();
}
@Bean
public AbstractEntityManagerFactoryBean entityManagerFactory() throws SQLException {
HibernateJpaVendorAdapter jpaVendorAdapter = new HibernateJpaVendorAdapter();
jpaVendorAdapter.setDatabase(Database.H2);
jpaVendorAdapter.setGenerateDdl(true);
LocalContainerEntityManagerFactoryBean bean = new LocalContainerEntityManagerFactoryBean();
bean.setJpaVendorAdapter(jpaVendorAdapter);
bean.setPackagesToScan(Config.class.getPackage().getName());
bean.setDataSource(dataSource());
bean.setJpaPropertyMap(jpaProperties());
return bean;
}
private Map<String, String> jpaProperties() {
return Collections.singletonMap("org.hibernate.envers.audit_strategy", ValidityAuditStrategy.class.getName());
}
}