RouterPacket.java

public class RouterPacket implements Cloneable {
 int sourceid; /* id of sending router sending this pkt */
 int destid; /* id of router to which pkt being sent 
 (must be an immediate neighbor) */
 int[] mincost = new int[RouterSimulator.NUM_NODES]; /* min cost to node 0 ... 3 */


 RouterPacket (int sourceID, int destID, int[] mincosts){
 this.sourceid = sourceID;
 this.destid = destID;
 System.arraycopy(mincosts, 0, this.mincost, 0, RouterSimulator.NUM_NODES);
 }

 public Object clone(){
 try {
 RouterPacket newPkt = (RouterPacket) super.clone();
 newPkt.mincost = (int[]) newPkt.mincost.clone();
 return newPkt;
 }
 catch(CloneNotSupportedException e){
 System.err.println(e);
 System.exit(1);
 }
 return null;
 }
 
}