private void updateState(Hallway h) {
DoorState previousState = state[h.ordinal()];
DoorState newState = previousState;
if (allDoorsClosed(h) && allDoorMotorsStopped(h)) {
newState = DoorState.CLOSED;
} else if (allDoorsCompletelyOpen(h) && allDoorMotorsStopped(h)) {
newState = DoorState.OPEN;
} else if (anyDoorMotorNudging(h)) {
newState = DoorState.NUDGING;
} else if (anyDoorMotorClosing(h)) {
newState = DoorState.CLOSING;
} else if (anyDoorMotorOpening(h)) {
newState = DoorState.OPENING;
}
if (newState != previousState) {
switch (newState) {
case CLOSED:
doorClosed(h);
break;
case OPEN:
doorOpened(h);
break;
case OPENING:
if (previousState == DoorState.CLOSING || previousState == DoorState.OPEN) {
doorReopening(h);
} else {
doorOpening(h);
}
break;
case CLOSING:
doorClosing(h);
break;
case NUDGING:
doorNudging(h);
break;
}
}
// set the newState
state[h.ordinal()] = newState;
}
/**
* Called once when the doors are fully open
*
* @param hallway which door the event pertains to
*/
private void doorOpened(Hallway hallway) {
nextDirection = mDesiredFloor.getDirection();
// System.out.println(hallway.toString() + " Door Opened");
// if the lantern flickers, violation of 8.2
if (nextDirection == Direction.UP) {
if (carLanterns[Direction.DOWN.ordinal()].lighted())
warning(
"R-T8.2 Violated: Both lanterns lit in one cycle! NextDirection "
+ nextDirection
+ " DesiredFloor "
+ mDesiredFloor.getFloor()
+ mDesiredFloor.getHallway()
+ mDesiredFloor.getDirection());
// Check if car lantern is in compliance with requirements.
} else if (nextDirection == Direction.DOWN) {
if (carLanterns[Direction.UP.ordinal()].lighted())
warning(
"R-T8.2 Violated: Both lanterns lit in one cycle! NextDirection "
+ nextDirection
+ " DesiredFloor "
+ mDesiredFloor.getFloor()
+ mDesiredFloor.getHallway()
+ mDesiredFloor.getDirection());
// Check if car lantern is in compliance with requirements.
}
// else, nextDirection == STOP and lantern not on.
else
for (int f = 1; f < Elevator.numFloors; f++) {
for (Hallway h : Hallway.replicationValues) {
for (Direction d : Direction.replicationValues) {
if (carLights[f][h.ordinal()].lighted()
|| hallLights[f][h.ordinal()][d.ordinal()].lighted()) {
warning(
"R-T8.1 Violated: Lantern not on with other pending"
+ "calls on other floors at hallway "
+ hallway);
}
}
}
}
}
/** Called when the drive is transitioning to the Stop state */
private void driveStopping() {
int currentFloor = floorArray.getCurrentFloor();
Hallway h;
if (Elevator.hasLanding(currentFloor, Hallway.FRONT)) {
if (Elevator.hasLanding(currentFloor, Hallway.BACK)) h = Hallway.BOTH;
else h = Hallway.FRONT;
} else h = Hallway.BACK;
currentFloor--;
if (h == Hallway.BOTH) {
if (!carLights[currentFloor][Hallway.FRONT.ordinal()].lighted()
&& !carLights[currentFloor][Hallway.BACK.ordinal()].lighted()
&& !hallLights[currentFloor][Hallway.FRONT.ordinal()][Direction.UP.ordinal()].lighted()
&& !hallLights[currentFloor][Hallway.FRONT.ordinal()][Direction.DOWN.ordinal()].lighted()
&& !hallLights[currentFloor][Hallway.BACK.ordinal()][Direction.UP.ordinal()].lighted()
&& !hallLights[currentFloor][Hallway.BACK.ordinal()][Direction.DOWN.ordinal()]
.lighted()) {
warning("R-T6 Violated: Stopped at floor" + currentFloor + " with no pending calls.");
}
} else if (!carLights[currentFloor][h.ordinal()].lighted()
&& !hallLights[currentFloor][h.ordinal()][Direction.UP.ordinal()].lighted()
&& !hallLights[currentFloor][h.ordinal()][Direction.DOWN.ordinal()].lighted()) {
warning("R-T6 Violated: Stopped at floor" + currentFloor + " with no pending calls.");
}
}
/** Called when the drive is in the Slow State */
private void driveSlow() {
// Check if there are any calls in the specified direction.
// If so, then violation. Otherwise, no violation.
if (nextDirection != Direction.STOP) {
int currentFloor = floorArray.getCurrentFloor() - 1;
if (nextDirection == Direction.UP) {
for (int f_u = currentFloor + 1; f_u < Elevator.numFloors; f_u++) {
for (Hallway h : Hallway.replicationValues) {
for (Direction d : Direction.replicationValues) {
if (carLights[f_u][h.ordinal()].lighted()
|| hallLights[f_u][h.ordinal()][d.ordinal()].lighted()) {
if (nextDirection != driveActualSpeed.direction())
warning(
"R-T8.3 Violated: Elevator is sevicing direction "
+ driveActualSpeed.direction()
+ " instead of "
+ (f_u + 1)
+ " "
+ h
+ " in direction "
+ nextDirection);
}
}
}
}
} else if (nextDirection == Direction.DOWN) {
for (int f_d = currentFloor - 1; f_d >= 1; f_d--) {
for (Hallway h : Hallway.replicationValues) {
for (Direction d : Direction.replicationValues) {
if (carLights[f_d][h.ordinal()].lighted()
|| hallLights[f_d][h.ordinal()][d.ordinal()].lighted()) {
if (nextDirection != driveActualSpeed.direction())
warning(
"R-T8.3 Violated: Elevator is sevicing direction "
+ driveActualSpeed.direction()
+ " instead of "
+ f_d
+ " "
+ h
+ " in direction "
+ nextDirection);
}
}
}
}
}
}
}
public boolean anyDoorMotorNudging(Hallway h) {
return doorMotors[h.ordinal()][Side.LEFT.ordinal()].command() == DoorCommand.NUDGE
|| doorMotors[h.ordinal()][Side.RIGHT.ordinal()].command() == DoorCommand.NUDGE;
}
public boolean anyDoorMotorClosing(Hallway h) {
return doorMotors[h.ordinal()][Side.LEFT.ordinal()].command() == DoorCommand.CLOSE
|| doorMotors[h.ordinal()][Side.RIGHT.ordinal()].command() == DoorCommand.CLOSE;
}
public boolean anyDoorMotorOpening(Hallway h) {
return doorMotors[h.ordinal()][Side.LEFT.ordinal()].command() == DoorCommand.OPEN
|| doorMotors[h.ordinal()][Side.RIGHT.ordinal()].command() == DoorCommand.OPEN;
}
public boolean allDoorMotorsStopped(Hallway h) {
return doorMotors[h.ordinal()][Side.LEFT.ordinal()].command() == DoorCommand.STOP
&& doorMotors[h.ordinal()][Side.RIGHT.ordinal()].command() == DoorCommand.STOP;
}
public boolean allDoorsClosed(Hallway h) {
return (doorCloseds[h.ordinal()][Side.LEFT.ordinal()].isClosed()
&& doorCloseds[h.ordinal()][Side.RIGHT.ordinal()].isClosed());
}
public boolean anyDoorOpen(Hallway h) {
return !doorCloseds[h.ordinal()][Side.LEFT.ordinal()].isClosed()
|| !doorCloseds[h.ordinal()][Side.RIGHT.ordinal()].isClosed();
}
// door utility methods
public boolean allDoorsCompletelyOpen(Hallway h) {
return doorOpeneds[h.ordinal()][Side.LEFT.ordinal()].isOpen()
&& doorOpeneds[h.ordinal()][Side.RIGHT.ordinal()].isOpen();
}