/* -------------------------------------------------------- *
 * Aaron Morris                                             *
 * CS522                                                    *
 * Object-Oriented Event-Driven Simulation                  *
 *                                                          *
 * Extended SimEvent class representing Channel transfer    *
 * -------------------------------------------------------- */
//package datasend;
import java.awt.*;

public class TransferEvent extends SimEvent {

        String Direction;   // "TO" or "FROM" a Channel
        Channel c;
        DataHandler d;
        String Toward;      // "FORWARD" or "BACKWARD"

        // Basic Object Constructor.  Initialize Members from SimEvent parent
    	public TransferEvent(String Direction,int A,Message m,DataHandler d,
                             Channel c)
    	{
                this.Direction = Direction;
                super.message = m;
		super.eventType = "TRANSFER";
                super.ID = m.getMsgID();
		super.arrivalTime = A;
		super.sortValue = A;
                super.next = null;
                super.Creator = d;
                this.c = c;
                this.d = d;

    	}


        // If events in waitList, get first one and execute it (now have server)
        public void execute(EventQueue eventList,Stats stats,int p,RandNum r)
	{
              //this.writeExecute(stats.getGlobalTime(),stats);
              if (Direction == "TO")
              {
                    c.receive(stats.getGlobalTime(),message,eventList);
              }
              else if (Direction == "FROM")
              {
                    d.receive(stats.getGlobalTime(),message);
              }
              else
              {
                    stats.report.write("ERROR TRANSFERRING '" + Direction + "'");
              }
        }

        public void writeExecute(int Time, Stats stats)
        {
              String Outstring = new String("TRANSFER MESSAGE #");
              if (Direction == "TO")
              {
                  Outstring = Outstring + this.message.getMsgID() + " FROM " +
                            d.getName() + " TO" +
                            " CH" + c.getID() + " Executing at Time " + Time;
              }
              else
              {
                  Outstring = Outstring  + this.message.getMsgID() +
                              " FROM CH" + c.getID() + " TO " + d.getName() +
                              " Executing at Time " + Time;
              }
              stats.report.write(Outstring);
        }

        public DataHandler getHandler()
        {
            return d;
        }

        public Channel getChannel()
        {
            return c;
        }
}