/*
 * Created on Mar 19, 2007
 * Copyright (C) 2001-6, Anthony Harrison anh23@pitt.edu (jactr.org) This library 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 library 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 library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */
package org.jactr.tools.async.shadow.handlers;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.commonreality.net.handler.IMessageHandler;
import org.commonreality.net.session.ISessionInfo;
import org.jactr.tools.async.message.event.state.ModelStateEvent;
import org.jactr.tools.async.shadow.ShadowController;
/**
 * @author developer
 *
 */
public class ModelStateHandler implements IMessageHandler<ModelStateEvent>
{
  /**
   logger definition
   */
  static private final Log LOGGER = LogFactory.getLog(ModelStateHandler.class);

  
  // /**
  // * @see
  // org.apache.mina.handler.demux.MessageHandler#messageReceived(org.apache.mina.common.IoSession,
  // java.lang.Object)
  // */
  // public void handleMessage(IoSession session, IModelStateEvent mse) throws
  // Exception
  // {
  // }

  @Override
  public void accept(ISessionInfo session, ModelStateEvent mse)
  {
    ShadowController controller = (ShadowController) session
        .getAttribute(ShadowController.CONTROLLER_ATTR);

    controller.setCurrentSimulationTime(mse.getSimulationTime());
    String modelName = mse.getModelName();
    
    if (LOGGER.isDebugEnabled()) LOGGER.debug(modelName+" has changed state "+mse.getState());
    
    switch(mse.getState())
    {
      case STARTED : break;
      case SUSPENDED : controller.suspended(modelName); break;
      case RESUMED : controller.resumed(modelName); break;
      case STOPPED : controller.stopped(modelName); break;
    }

  }

}