Class CPU

java.lang.Object
  |
  +--java.lang.Thread
        |
        +--CPU

All Implemented Interfaces:

java.lang.Runnable

public class CPU

extends java.lang.Thread

implements java.lang.Runnable

Field Summary

Clock	BigBen
Queue	FIFO

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Method Summary

float	execute() Take out the process which is being run and get the next process from the queue
float	getCompletion() Accesor method to read the mean completion time
float	getOverhead() Accesor method to read the context-switch overhead
int	getQuantum() Accesor method to read the quantum
void	pause() Pause the execution of the CPU
void	restart() Restart the execution of the CPU, set all attributes with the default values
void	run() Call execute method and sleep
static void	setOverhead(float newOverhead) Accesor method to modify the context-switch overhead
static void	setQuantum(float q) Accesor method to modify the quantum
void	turnoff() Stop the execution of the CPU

Methods inherited from class java.lang.Thread

activeCount, checkAccess, countStackFrames, currentThread, destroy, dumpStack, enumerate, getContextClassLoader, getName, getPriority, getThreadGroup, 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

FIFO

public Queue FIFO

BigBen

public Clock BigBen

Method Detail

getQuantum

public int getQuantum()

Accesor method to read the quantum

setQuantum

public static void setQuantum(float q)

Accesor method to modify the quantum

Parameters:

q - float the quantum new value

getOverhead

public float getOverhead()

Accesor method to read the context-switch overhead

setOverhead

public static void setOverhead(float newOverhead)

Accesor method to modify the context-switch overhead

Parameters:

newOverhead - float the new Overhead

getCompletion

public float getCompletion()

Accesor method to read the mean completion time

execute

public float execute()

Take out the process which is being run and get the next process from the queue

restart

public void restart()

Restart the execution of the CPU, set all attributes with the default values

pause

public void pause()

Pause the execution of the CPU

turnoff

public void turnoff()

Stop the execution of the CPU

run

public void run()

Call execute method and sleep

Specified by:

run in interface java.lang.Runnable

Overrides:

run in class java.lang.Thread