org.intranet.elevator.model
Class DoorSensor

java.lang.Object
  org.intranet.sim.ModelElement
      org.intranet.elevator.model.DoorSensor

public class DoorSensor

extends ModelElement

Deals with obstructions. The state transitions look like this:

State	Variables	Transitions
	state	obstruct()	unobstruct()	[ClearEvent]
CLEAR		OBSTRUCTED [sensorObstructed()]	UNOBSTRUCTED	Impossible
OBSTRUCTED		Illegal	UNOBSTRUCTED	Impossible
UNOBSTRUCTED		OBSTRUCTED [sensorObstructed()]	Illegal	CLEAR [sensorCleared()]

Nested Class Summary

private class	DoorSensor.ClearEvent
static interface	DoorSensor.Listener
static class	DoorSensor.State

Field Summary

private Event	clearEvent
private java.util.List	listeners
private DoorSensor.State	state

Fields inherited from class org.intranet.sim.ModelElement

eventQueue

Constructor Summary

DoorSensor(EventQueue eQ)

Method Summary

void	addListener(DoorSensor.Listener l)
private void	clear()
DoorSensor.State	getState()
void	obstruct()
void	removeListener(DoorSensor.Listener l)
void	unobstruct()

Methods inherited from class java.lang.Object

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

Field Detail

state

private DoorSensor.State state

clearEvent

private Event clearEvent

listeners

private java.util.List listeners

Constructor Detail

DoorSensor

public DoorSensor(EventQueue eQ)

Method Detail

getState

public DoorSensor.State getState()

obstruct

public void obstruct()

unobstruct

public void unobstruct()

clear

private void clear()

addListener

public void addListener(DoorSensor.Listener l)

removeListener

public void removeListener(DoorSensor.Listener l)