Class NIC

java.lang.Object
  java.lang.Thread
      NIC

All Implemented Interfaces:

Actions, Runnable

public class NIC

extends Thread

implements Actions

The class creates token then Passes token to neighbour NIC and holds token while the resource in use bu user

Version:

Version 1

Author:

Adeel Hashmi

Field Summary

protected static boolean

loop Thread looping flag

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Fields inherited from interface Actions

EXIT, NOPASSING, PASS, PASSTOKEN, READ

Constructor Summary

NIC()
Constructor set the intital status to NOPASSING

Method Summary

protected void	checkStatus() Check status and pass token
protected void	createToken() create the token intially and set status to pass The method should call before starting thread
protected Token	exchangeToken(Token r) exchanges token value from neighbour NIC
protected void	Exit() This methods terminates the run method by setting flag
protected Token	getToken() Return token reference
void	run()
protected void	setNeighbour(NIC n) set neighbout NIC to communicate and pass token The method should call before starting thread
protected void	setStatus() change status to pass token

Methods inherited from class java.lang.Thread

activeCount, checkAccess, countStackFrames, currentThread, destroy, dumpStack, enumerate, getContextClassLoader, getName, getPriority, getThreadGroup, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setName, setPriority, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

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

Field Detail

loop

protected static boolean loop

Thread looping flag

Constructor Detail

NIC

public NIC()

Constructor set the intital status to NOPASSING

Method Detail

checkStatus

protected void checkStatus()
                    throws Exception

Check status and pass token

Throws:

Exception

createToken

protected void createToken()

create the token intially and set status to pass The method should call before starting thread

exchangeToken

protected Token exchangeToken(Token r)

exchanges token value from neighbour NIC

Parameters:

r - token to exchange

Exit

protected void Exit()

This methods terminates the run method by setting flag

getToken

protected Token getToken()

Return token reference

run

public void run()

Specified by:

run in interface Runnable

setNeighbour

protected void setNeighbour(NIC n)

set neighbout NIC to communicate and pass token The method should call before starting thread

Parameters:

n - Neighbour NIC

setStatus

protected void setStatus()

change status to pass token