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.server.platform;
021    
022    import org.apache.commons.lang.builder.ReflectionToStringBuilder;
023    import org.apache.commons.lang.builder.ToStringStyle;
024    import org.sonar.api.platform.ServerUpgradeStatus;
025    import org.sonar.jpa.entity.SchemaMigration;
026    import org.sonar.jpa.session.DatabaseConnector;
027    
028    /**
029     * @since 2.5
030     */
031    public final class DefaultServerUpgradeStatus implements ServerUpgradeStatus {
032    
033      private int initialDbVersion;
034      private DatabaseConnector dbConnector;
035    
036      public DefaultServerUpgradeStatus(DatabaseConnector dbConnector) {
037        this.dbConnector = dbConnector;
038      }
039    
040      public void start() {
041        this.initialDbVersion = dbConnector.getDatabaseVersion();
042      }
043    
044      public boolean isUpgraded() {
045        return !isFreshInstall() &&(initialDbVersion < SchemaMigration.LAST_VERSION);
046      }
047    
048      public boolean isFreshInstall() {
049        return initialDbVersion <= 0;
050      }
051    
052      public int getInitialDbVersion() {
053        return initialDbVersion;
054      }
055    
056      @Override
057      public String toString() {
058        return new ReflectionToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE).toString();
059      }
060    }