001/*
002 * Sonar, open source software quality management tool.
003 * Copyright (C) 2008-2012 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 */
020package org.sonar.api.platform;
021
022import org.sonar.api.ServerComponent;
023
024/**
025 * @since 2.5
026 */
027public interface ServerUpgradeStatus extends ServerComponent {
028
029  /**
030   * Has the database been upgraded during the current startup ? Return false if isInstalledFromScratch() is true.
031   */
032  boolean isUpgraded();
033
034  /**
035   * Has the database been created from scratch during the current startup ?
036   */
037  boolean isFreshInstall();
038
039  /**
040   * The database version before the server startup. Returns <=0 if db created from scratch.
041   */
042  int getInitialDbVersion();
043  
044}