es.itecban.deployment.environment.database.manager.DatabaseManagerImpl.java Source code

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Here is the source code for es.itecban.deployment.environment.database.manager.DatabaseManagerImpl.java

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/*******************************************************************************
 * Copyright 2014 Indra
 * 
 * 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 es.itecban.deployment.environment.database.manager;

import java.io.File;
import java.io.FileInputStream;
import java.net.URI;
import java.util.Properties;
import java.util.logging.Level;
import java.util.logging.Logger;

import org.eclipse.emf.ecore.EPackage;
import org.eclipse.emf.teneo.PersistenceOptions;
import org.eclipse.emf.teneo.classloader.ClassClassLoaderStrategy;
import org.eclipse.emf.teneo.classloader.ClassLoaderStrategy;
import org.eclipse.emf.teneo.hibernate.HbDataStore;
import org.eclipse.emf.teneo.hibernate.HbHelper;
import org.hibernate.SessionFactory;

import es.itecban.deployment.environment.database.DatabaseManager;
import es.itecban.deployment.model.configuration.ConfigurationPackage;
import es.itecban.deployment.model.deployment.target.TargetPackage;
import es.itecban.deployment.model.deployment.unit.UnitPackage;

public class DatabaseManagerImpl implements DatabaseManager {

    // propiedades para configuracin externa
    private boolean externalConfig;
    private URI externalPropertiesURI;
    // propiedades para configuracin externa

    private String dataStoreName;
    private HbDataStore dataStore;
    public SessionFactory sessionFactory;
    private org.springframework.core.io.Resource propertiesResource;
    private Properties hibernateProperties = new Properties();
    private Logger logger = Logger.getLogger(DatabaseManagerImpl.class.getName());

    public void setPropertiesResource(org.springframework.core.io.Resource propertiesResource) {
        this.propertiesResource = propertiesResource;
    }

    public void setExternalConfig(boolean externalConfig) {
        this.externalConfig = externalConfig;
    }

    public void setExternalPropertiesURI(URI externalPropertiesURI) {
        this.externalPropertiesURI = externalPropertiesURI;
    }

    /**
     * Initializes the connection to the database
     */
    public void initDB() {

        logger.log(Level.FINE, "Initializing the database... ");
        dataStoreName = "deployment";
        dataStore = (HbDataStore) HbHelper.INSTANCE.createRegisterDataStore(dataStoreName);
        try {
            logger.log(Level.FINE, "Loading properties...");
            if (this.externalConfig) // Hay configuracin externa para hibernate
            {
                File file = new File(this.externalPropertiesURI);
                this.hibernateProperties.load(new FileInputStream(file));
            } else // no hay configuracin externa para hibernate
                this.hibernateProperties.load(propertiesResource.getInputStream());
            logger.log(Level.FINE, "Properties loaded: " + hibernateProperties.toString());
        } catch (Exception e) {
            System.err.println("Impossible to load the hibernate.properties file");
            e.printStackTrace();
        }
        this.hibernateProperties.put(PersistenceOptions.MAPPING_FILE_PATH, "/environmentmanager.hbm.xml");

        dataStore.setProperties(this.hibernateProperties);
        dataStore.getExtensionManager().registerExtension(ClassLoaderStrategy.class.getName(),
                ClassClassLoaderStrategy.class.getName());
        dataStore.setEPackages(
                new EPackage[] { UnitPackage.eINSTANCE, TargetPackage.eINSTANCE, ConfigurationPackage.eINSTANCE });
        try {
            dataStore.initialize();
        } catch (Exception e) {
            System.err.println("Problem while initializing the database ");
            e.printStackTrace();
        }
        sessionFactory = dataStore.getSessionFactory();
    }

    @Override
    public SessionFactory getSessionFactory() {
        return this.sessionFactory;
    }

}