server/src/main/java/org/onap/usecaseui/server/hibernate/HibernateConfiguration.java


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/**
 * Copyright (C) 2017 CMCC, Inc. and others. All rights reserved.
 *
 * 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.onap.usecaseui.server.hibernate;

import java.util.Properties;

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.core.env.Environment;
import org.springframework.orm.hibernate5.LocalSessionFactoryBean;
import org.springframework.orm.jpa.JpaTransactionManager;
import org.springframework.transaction.PlatformTransactionManager;


@Configuration
public class HibernateConfiguration
{
    @Autowired
    private Environment environment;

    @Autowired
    private DataSource dataSource;

    @Bean
    public LocalSessionFactoryBean sessionFactory() {

        LocalSessionFactoryBean sessionFactory = new LocalSessionFactoryBean();
        sessionFactory.setDataSource(dataSource);
        sessionFactory.setHibernateProperties(hibernateProperties());
        sessionFactory.setPackagesToScan(new String[] {"org.onap.usecaseui.server.bean"});
        return sessionFactory;
    }

    private Properties hibernateProperties() {
        Properties properties = new Properties();
        properties.put("hibernate.dialect", "org.hibernate.dialect.PostgreSQLDialect");
        properties.setProperty("hibernate.current_session_context_class", environment.getProperty("spring.jpa.properties.hibernate.current_session_context_class"));
        properties.setProperty("hibernate.show-sql", environment.getProperty("spring.jpa.properties.hibernate.show-sql"));
        properties.setProperty("hibernate.cache.use_second_level_cache", environment.getProperty("spring.jpa.properties.hibernate.cache.use_second_level_cache"));
        properties.setProperty("hibernate.cache.use_query_cache", environment.getProperty("spring.jpa.properties.hibernate.cache.use_query_cache"));
        return properties;        
    }

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

}