edu.cmu.emulator.event
Class EmuEventQueue

java.lang.Object
  edu.cmu.emulator.event.EmuEventQueue

All Implemented Interfaces:

Runnable

public class EmuEventQueue
extends Object
implements Runnable

The thread that processes the Emulator events. Maintains a queue of events in the form of a splay tree. Executes events at the time specified within the event object.

Field Summary

private static boolean	debug
private long	eventsAdded
private ESplayTree	eventSplayTree
private long	eventsRemovedBeforeExecution
private long	eventsRemovedForExecution
private long	lastEventTime
protected static Logger	log
private long	nextEID
private boolean	running
private int	size
private static long	SLEEP_RESOLUTION
private Object	synch
protected Thread	thisThread

Constructor Summary

EmuEventQueue()

Method Summary

void	addEvents(ArrayList newEvents)
void	display()
void	displayStats()
private void	execEvent(EmuEvent event)
long	getEventsAdded()
long	getEventsRemovedBeforeExecution()
long	getEventsRemovedForExecution()
protected long	getNextEID()
EmuEvent	getNextEvent()
long	getNextEventTime()
void	insertEvent(EmuEvent event)
void	removeEvent(EmuEvent event)
void	run()
int	size()
Thread	start()
boolean	userActive() check user status.

Methods inherited from class java.lang.Object

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

Field Detail

eventSplayTree

private ESplayTree eventSplayTree

running

private boolean running

synch

private Object synch

thisThread

protected Thread thisThread

SLEEP_RESOLUTION

private static final long SLEEP_RESOLUTION

See Also:

Constant Field Values

lastEventTime

private long lastEventTime

size

private int size

eventsAdded

private long eventsAdded

eventsRemovedBeforeExecution

private long eventsRemovedBeforeExecution

eventsRemovedForExecution

private long eventsRemovedForExecution

debug

private static final boolean debug

See Also:

Constant Field Values

nextEID

private long nextEID

log

protected static Logger log

Constructor Detail

EmuEventQueue

public EmuEventQueue()

Method Detail

getNextEID

protected long getNextEID()

start

public Thread start()

insertEvent

public void insertEvent(EmuEvent event)

removeEvent

public void removeEvent(EmuEvent event)

getNextEvent

public EmuEvent getNextEvent()

getNextEventTime

public long getNextEventTime()

addEvents

public void addEvents(ArrayList newEvents)
               throws IOException

Throws:

IOException

userActive

public boolean userActive()

check user status.

Returns:

True if user is active.

run

public void run()

Specified by:

run in interface Runnable

display

public void display()

size

public int size()

getEventsAdded

public long getEventsAdded()

getEventsRemovedBeforeExecution

public long getEventsRemovedBeforeExecution()

getEventsRemovedForExecution

public long getEventsRemovedForExecution()

displayStats

public void displayStats()

execEvent

private void execEvent(EmuEvent event)