LiquidityPlanningPluginUpdates.java

/////////////////////////////////////////////////////////////////////////////
//
// Project ProjectForge Community Edition
//         www.projectforge.org
//
// Copyright (C) 2001-2014 Kai Reinhard (k.reinhard@micromata.de)
//
// ProjectForge is dual-licensed.
//
// This community edition is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as published
// by the Free Software Foundation; version 3 of the License.
//
// This community edition is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
// Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, see http://www.gnu.org/licenses/.
//
/////////////////////////////////////////////////////////////////////////////

package org.projectforge.plugins.liquidityplanning;

import org.projectforge.continuousdb.SchemaGenerator;
import org.projectforge.continuousdb.UpdateEntry;
import org.projectforge.continuousdb.UpdateEntryImpl;
import org.projectforge.continuousdb.UpdatePreCheckStatus;
import org.projectforge.continuousdb.UpdateRunningStatus;
import org.projectforge.database.MyDatabaseUpdateDao;

/**
 * Contains the initial data-base set-up script and later all update scripts if any data-base schema updates are required by any later
 * release of this plugin.
 * @author Kai Reinhard (k.reinhard@micromata.de)
 */
public class LiquidityPlanningPluginUpdates
{
  static MyDatabaseUpdateDao dao;

  @SuppressWarnings("serial")
  public static UpdateEntry getInitializationUpdateEntry()
  {
    return new UpdateEntryImpl(LiquidityPlanningPlugin.ID, "2013-06-08", "Adds table T_PLUGIN_LIQUI_ENTRY.") {
      @Override
      public UpdatePreCheckStatus runPreCheck()
      {
        // Does the data-base table already exist?
        // Check only the oldest table.
        if (dao.doEntitiesExist(LiquidityEntryDO.class) == true) {
          return UpdatePreCheckStatus.ALREADY_UPDATED;
        } else {
          // The oldest table doesn't exist, therefore the plug-in has to initialized completely.
          return UpdatePreCheckStatus.READY_FOR_UPDATE;
        }
      }

      @Override
      public UpdateRunningStatus runUpdate()
      {
        // Create initial data-base table:
        new SchemaGenerator(dao).add(LiquidityEntryDO.class).createSchema();
        dao.createMissingIndices();
        return UpdateRunningStatus.DONE;
      }
    };
  }
}