Class Link

java.lang.Object
  |
  +--Link

public class Link

extends java.lang.Object

A Link represents a direct connection from one Router to another.

Field Summary

static int

INFINITY Link.INFINITY is the cost to an unreachable or unknown Router.

Constructor Summary

Link(Router sndr, Router rcvr, int cst)
new Link(sndr, rcvr, cst) returns a new Link with sender sndr, receiver rcvr, and cost cst.

Method Summary

int	getCost() lnk.getCost() returns the cost for sending a Packet through lnk.
java.lang.String	getReceiver() lnk.getReceiver() returns the name of the receiver for lnk.
java.lang.String	getSender() lnk.getSender() returns the name of the sender for lnk.
void	sendPacket(Packet pkt) lnk.sendPacket(pkt) sends pkt through lnk.
void	setCost(int c) lnk.setCost(c) sets the cost for sending a Packet through lnk to c.
java.lang.String	toString() lnk.toString() returns a string describing lnk.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

INFINITY

public static int INFINITY

Link.INFINITY is the cost to an unreachable or unknown Router. BEWARE - if you add a non-zero value to Link.INFINITY the result will not be Link.INFINITY.

Constructor Detail

Link

public Link(Router sndr,
            Router rcvr,
            int cst)

new Link(sndr, rcvr, cst) returns a new Link with sender sndr, receiver rcvr, and cost cst.

Method Detail

getSender

public java.lang.String getSender()

lnk.getSender() returns the name of the sender for lnk.

getReceiver

public java.lang.String getReceiver()

lnk.getReceiver() returns the name of the receiver for lnk.

getCost

public int getCost()

lnk.getCost() returns the cost for sending a Packet through lnk.

setCost

public void setCost(int c)

lnk.setCost(c) sets the cost for sending a Packet through lnk to c.

sendPacket

public void sendPacket(Packet pkt)

lnk.sendPacket(pkt) sends pkt through lnk.

toString

public java.lang.String toString()

lnk.toString() returns a string describing lnk.

Overrides:

toString in class java.lang.Object