nl.tudelft.simulation.traffic.controlpoint.blocks
Class BlockTrafficLight

java.lang.Object
  nl.tudelft.simulation.event.EventProducer
      nl.tudelft.simulation.traffic.controlpoint.real.AbstractVisibleControlPoint
          nl.tudelft.simulation.traffic.controlpoint.blocks.BlockTrafficLight

All Implemented Interfaces:

Changeable, ControlPointInterface, nl.tudelft.simulation.event.EventProducerInterface, nl.tudelft.simulation.dsol.animation.LocatableInterface, java.io.Serializable, StopSignInterface, VisibleControlPointInterface

public class BlockTrafficLight

extends AbstractVisibleControlPoint

implements nl.tudelft.simulation.dsol.animation.LocatableInterface, StopSignInterface

(c) copyright 2003-2004 Delft University of Technology , the Netherlands.
See for project information www.simulation.tudelft.nl
License of use: General Public License (GPL) , no warranty

Version:

May 31, 2004

Author:

Alexander Verbraeck

See Also:

Serialized Form

Field Summary

static int	SENSOR_GREEN GREEN sensor
static int	SENSOR_RED RED sensor
static int	SENSOR_YELLOW YELLOW sensor
static java.lang.String[]	sensorNames sensor names
static java.lang.String	STATE_BLACK BLACK state
static java.lang.String	STATE_GREEN GREEN state
static java.lang.String	STATE_RED RED state
static java.lang.String	STATE_YELLOW YELLOW state

Fields inherited from class nl.tudelft.simulation.traffic.controlpoint.real.AbstractVisibleControlPoint

progression, track

Fields inherited from class nl.tudelft.simulation.event.EventProducer

listeners

Fields inherited from interface nl.tudelft.simulation.traffic.controlpoint.real.StopSignInterface

CONTINUE, STOP

Fields inherited from interface nl.tudelft.simulation.event.EventProducerInterface

FIRST_POSITION, LAST_POSITION

Fields inherited from interface nl.tudelft.simulation.traffic.controlpoint.ControlPointInterface

BACK, FRONT

Fields inherited from interface nl.tudelft.simulation.traffic.controlpoint.real.Changeable

CHANGE_STATUS_EVENT

Constructor Summary

BlockTrafficLight(java.lang.String name, TrackInterface track, double progression, double visibleDistance, double distanceRed, double distanceYellow, double distanceGreen, nl.tudelft.simulation.dsol.simulators.DEVSSimulatorInterface simulator, double dx, double dy)

Method Summary

javax.media.j3d.Bounds	getBounds()
java.lang.String	getCurrentState()
nl.tudelft.simulation.language.d3.DirectedPoint	getLocation()
java.lang.String	getStatus()
void	pass(VehiclePhysicalInterface vehicle) This method handles actions of the controlPoint when the controlPoint is passed by a vehicle.
java.lang.String	toString()
void	triggerSensor(int sensor, VehiclePhysicalInterface vehicle) The stateful handling of a sensor trigger.

Methods inherited from class nl.tudelft.simulation.traffic.controlpoint.real.AbstractVisibleControlPoint

getProgression, getTrack, getVisibleDistance

Methods inherited from class nl.tudelft.simulation.event.EventProducer

addListener, addListener, addListener, addListener, fireEvent, fireEvent, fireEvent, fireEvent, fireEvent, fireEvent, fireEvent, fireEvent, fireEvent, fireEvent, fireEvent, fireEvent, fireEvent, fireEvent, fireEvent, fireEvent, getEventTypes, removeAllListeners, removeAllListeners, removeListener

Methods inherited from class java.lang.Object

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

Methods inherited from interface nl.tudelft.simulation.event.EventProducerInterface

addListener, addListener, addListener, addListener, getEventTypes, removeListener

Methods inherited from interface nl.tudelft.simulation.traffic.controlpoint.real.VisibleControlPointInterface

getVisibleDistance

Methods inherited from interface nl.tudelft.simulation.traffic.controlpoint.ControlPointInterface

getProgression, getTrack

Field Detail

STATE_GREEN

public static final java.lang.String STATE_GREEN

GREEN state

See Also:

Constant Field Values

STATE_YELLOW

public static final java.lang.String STATE_YELLOW

YELLOW state

See Also:

Constant Field Values

STATE_RED

public static final java.lang.String STATE_RED

RED state

See Also:

Constant Field Values

STATE_BLACK

public static final java.lang.String STATE_BLACK

BLACK state

See Also:

Constant Field Values

SENSOR_GREEN

public static final int SENSOR_GREEN

GREEN sensor

See Also:

Constant Field Values

SENSOR_YELLOW

public static final int SENSOR_YELLOW

YELLOW sensor

See Also:

Constant Field Values

SENSOR_RED

public static final int SENSOR_RED

RED sensor

See Also:

Constant Field Values

sensorNames

public static final java.lang.String[] sensorNames

sensor names

Constructor Detail

BlockTrafficLight

public BlockTrafficLight(java.lang.String name,
                         TrackInterface track,
                         double progression,
                         double visibleDistance,
                         double distanceRed,
                         double distanceYellow,
                         double distanceGreen,
                         nl.tudelft.simulation.dsol.simulators.DEVSSimulatorInterface simulator,
                         double dx,
                         double dy)

Parameters:

name -

track -

progression -

visibleDistance -

distanceRed -

distanceYellow -

distanceGreen -

simulator -

dx -

dy -

Method Detail

triggerSensor

public void triggerSensor(int sensor,
                          VehiclePhysicalInterface vehicle)

The stateful handling of a sensor trigger. Works as follows:

 
  
   
    
     
            -------------------------------
            | OLD___ | SENSOR___ | NEW___ |
            | STATE_ | R | Y | G | STATE_ |
            -------------------------------
            | BLACK_ | X | X | X | BLACK_ | (error)
            -------------------------------
            | RED___ | X | . | . | BLACK_ | (error)
            | RED___ | . | X | . | YELLOW |
            | RED___ | . | . | X | RED___ |
            -------------------------------
            | YELLOW | X | . | . | RED___ |
            | YELLOW | . | X | . | BLACK_ | (error)
            | YELLOW | . | . | X | GREEN_ |
            -------------------------------
            | GREEN_ | X | . | . | RED___ |
            | GREEN_ | . | X | . | BLACK_ | (error)
            | GREEN_ | . | . | X | BLACK_ | (error)
            -------------------------------
           
      
     
    
   
  
 

Parameters:

sensor -

vehicle -

pass

public void pass(VehiclePhysicalInterface vehicle)

Description copied from interface: ControlPointInterface

This method handles actions of the controlPoint when the controlPoint is passed by a vehicle.

Specified by:

pass in interface ControlPointInterface

Parameters:

vehicle - that triggers the controlPoint

See Also:

ControlPointInterface.pass(nl.tudelft.simulation.traffic.vehicle.VehiclePhysicalInterface)

getLocation

public nl.tudelft.simulation.language.d3.DirectedPoint getLocation()
                                                            throws java.rmi.RemoteException

Specified by:

getLocation in interface nl.tudelft.simulation.dsol.animation.LocatableInterface

Overrides:

getLocation in class AbstractVisibleControlPoint

Throws:

java.rmi.RemoteException

See Also:

LocatableInterface.getLocation()

getBounds

public javax.media.j3d.Bounds getBounds()
                                 throws java.rmi.RemoteException

Specified by:

getBounds in interface nl.tudelft.simulation.dsol.animation.LocatableInterface

Overrides:

getBounds in class AbstractVisibleControlPoint

Throws:

java.rmi.RemoteException

See Also:

LocatableInterface.getBounds()

getCurrentState

public java.lang.String getCurrentState()

Returns:

Returns the currentState.

getStatus

public java.lang.String getStatus()

Specified by:

getStatus in interface Changeable

Returns:

status

See Also:

Changeable.getStatus()

toString

public java.lang.String toString()

See Also:

Object.toString()