uk.gov.hscic.common.config.LegacyJPATransactionalConfig.java Source code

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Here is the source code for uk.gov.hscic.common.config.LegacyJPATransactionalConfig.java

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/*
 * Copyright 2015 Ripple OSI
 *
 *    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 uk.gov.hscic.common.config;

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

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
import org.springframework.orm.hibernate5.HibernateExceptionTranslator;
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;
import org.springframework.transaction.annotation.EnableTransactionManagement;

@Configuration
@EnableTransactionManagement
@EnableJpaRepositories(entityManagerFactoryRef = "legacyEntityManagerFactory", transactionManagerRef = "transactionManager", basePackages = "uk.gov.hscic")
public class LegacyJPATransactionalConfig {

    @Autowired
    private DataSource legacyDataSource;

    @Value("${legacy.datasource.vendor:mysql}")
    private String vendor;

    @Value("${legacy.datasource.showSql:false}")
    private boolean showSql;

    @Bean
    public HibernateExceptionTranslator hibernateExceptionTranslator() {
        return new HibernateExceptionTranslator();
    }

    @Bean
    public EntityManagerFactory legacyEntityManagerFactory() {
        final Database database = Database.valueOf(vendor.toUpperCase());

        final HibernateJpaVendorAdapter vendorAdapter = new HibernateJpaVendorAdapter();
        vendorAdapter.setShowSql(showSql);
        vendorAdapter.setGenerateDdl(true);
        vendorAdapter.setDatabase(database);

        final LocalContainerEntityManagerFactoryBean factory = new LocalContainerEntityManagerFactoryBean();
        factory.setJpaVendorAdapter(vendorAdapter);
        factory.setPackagesToScan("uk.gov.hscic");
        factory.setDataSource(legacyDataSource);
        factory.afterPropertiesSet();

        return factory.getObject();
    }

    @Bean
    public PlatformTransactionManager transactionManager() {
        final JpaTransactionManager transactionManager = new JpaTransactionManager();
        transactionManager.setEntityManagerFactory(legacyEntityManagerFactory());

        return transactionManager;
    }
}