001    /*
002     * Sonar, open source software quality management tool.
003     * Copyright (C) 2008-2011 SonarSource
004     * mailto:contact AT sonarsource DOT com
005     *
006     * Sonar is free software; you can redistribute it and/or
007     * modify it under the terms of the GNU Lesser General Public
008     * License as published by the Free Software Foundation; either
009     * version 3 of the License, or (at your option) any later version.
010     *
011     * Sonar is distributed in the hope that it will be useful,
012     * but WITHOUT ANY WARRANTY; without even the implied warranty of
013     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014     * Lesser General Public License for more details.
015     *
016     * You should have received a copy of the GNU Lesser General Public
017     * License along with Sonar; if not, write to the Free Software
018     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
019     */
020    package org.sonar.jpa.session;
021    
022    import org.sonar.api.utils.SonarException;
023    import org.sonar.core.persistence.Database;
024    import org.sonar.jpa.entity.SchemaMigration;
025    
026    import java.sql.Connection;
027    import java.sql.SQLException;
028    
029    public class DefaultDatabaseConnector extends AbstractDatabaseConnector {
030    
031      public DefaultDatabaseConnector(Database database) {
032        super(database);
033      }
034    
035      @Override
036      public boolean isOperational() {
037        if (isStarted() && getDatabaseVersion() != SchemaMigration.LAST_VERSION) {
038          // connector was started and connection OK but schema version was not OK
039          // call start again to check if this is now ok (schema created by rails)
040          start();
041        }
042        return super.isOperational();
043      }
044    
045      @Override
046      public void start() {
047        if (!isStarted()) {
048          createDatasource();
049        }
050        if (!super.isOperational()) {
051          super.start();
052        }
053      }
054    
055      private void createDatasource() {
056        try {
057          CustomHibernateConnectionProvider.setDatasourceForConfig(database.getDataSource());
058        } catch (Exception e) {
059          throw new SonarException("Fail to connect to database", e);
060        }
061      }
062    
063      public Connection getConnection() throws SQLException {
064        return database != null && database.getDataSource() != null ? database.getDataSource().getConnection() : null;
065      }
066    }