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 * JBoss, a division of Red Hat                                               *
 * Copyright 2008, Red Hat Middleware, LLC, and individual                    *
 * contributors as indicated by the @authors tag. See the                     *
 * copyright.txt in the distribution for a full listing of                    *
 * individual contributors.                                                   *
 *                                                                            *
 * This is free software; you can redistribute it and/or modify it            *
 * under the terms of the GNU Lesser General Public License as                *
 * published by the Free Software Foundation; either version 2.1 of           *
 * the License, or (at your option) any later version.                        *
 *                                                                            *
 * This software 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           *
 * Lesser General Public License for more details.                            *
 *                                                                            *
 * You should have received a copy of the GNU Lesser General Public           *
 * License along with this software; if not, write to the Free                *
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA         *
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.                   *
 ******************************************************************************/
package org.gatein.pc.portlet.container.managed;

/**
 * @author <a href="mailto:julien@jboss.org">Julien Viet</a>
 * @version $Revision: 630 $
 */
public enum LifeCycleStatus
{

   INITIALIZED(0), CREATED(1), STARTED(2);

   /** . */
   private final int stage;

   private LifeCycleStatus(int stage)
   {
      this.stage = stage;
   }

   public int getStage()
   {
      return stage;
   }

   public LifeCycleStatus getPromotion()
   {
      return getByStage(stage + 1);
   }

   public LifeCycleStatus getDemotion()
   {
      return getByStage(stage - 1);
   }

   private static LifeCycleStatus getByStage(int stage)
   {
      switch (stage)
      {
         case 0:
            return INITIALIZED;
         case 1:
            return CREATED;
         case 2:
            return STARTED;
         default:
            return null;
      }
   }
}
