/*
 * Aipo is a groupware program developed by Aimluck,Inc.
 * Copyright (C) 2004-2008 Aimluck,Inc.
 * http://aipostyle.com/
 * 
 * This program 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; either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program 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 com.aimluck.eip.eventlog;

import java.util.ArrayList;
import java.util.List;

import org.apache.cayenne.access.DataContext;
import org.apache.cayenne.exp.Expression;
import org.apache.cayenne.exp.ExpressionFactory;
import org.apache.cayenne.query.SelectQuery;
import org.apache.jetspeed.services.logging.JetspeedLogFactoryService;
import org.apache.jetspeed.services.logging.JetspeedLogger;
import org.apache.turbine.util.RunData;
import org.apache.velocity.context.Context;

import com.aimluck.eip.cayenne.om.portlet.EipTEventlog;
import com.aimluck.eip.common.ALAbstractCheckList;
import com.aimluck.eip.orm.DatabaseOrmService;

/**
 * イベントログの複数削除を行うためのクラスです。 <BR>
 * 
 */
public class EventlogMultiDelete extends ALAbstractCheckList {

  /** logger */
  private static final JetspeedLogger logger = JetspeedLogFactoryService
      .getLogger(EventlogMultiDelete.class.getName());

  /**
   * 
   * @param rundata
   * @param context
   * @param values
   * @param msgList
   * @return
   * @see com.aimluck.eip.common.ALAbstractCheckList#action(org.apache.turbine.util.RunData,
   *      org.apache.velocity.context.Context, java.util.ArrayList,
   *      java.util.ArrayList)
   */
  protected boolean action(RunData rundata, Context context, ArrayList values,
      ArrayList msgList) {
    try {
      DataContext dataContext = DatabaseOrmService.getInstance()
          .getDataContext();

      SelectQuery query = new SelectQuery(EipTEventlog.class);
      Expression exp = ExpressionFactory.inDbExp(
          EipTEventlog.EVENTLOG_ID_PK_COLUMN, values);
      query.setQualifier(exp);

      List logs = dataContext.performQuery(query);
      if (logs == null || logs.size() == 0)
        return false;

      // イベントログを削除
      dataContext.deleteObjects(logs);
      dataContext.commitChanges();
    } catch (Exception ex) {
      logger.error("Exception", ex);
      return false;
    }
    return true;
  }

}
