gui.entities.sectionEntities.signal

Class Signal

java.lang.Object

gui.entities.sectionEntities.Entity

gui.entities.sectionEntities.signal.Signal

public class Signal
extends Entity

signal

Field Summary

Fields inherited from class gui.entities.sectionEntities.Entity

BLOCK_ENTITY, LINK_ENTITY, LOOP_ENTITY

Constructor Summary

Constructors

Constructor and Description
Signal() constructor

Method Summary

Methods

Modifier and Type	Method and Description
int	getNumberOfAspects()
int	getSignal(Block currentBlock, Train currTrain, double arrivalTime, boolean consideringHalts, int maxSignalAspectsToBeConsidered, SimulationInstance simulationInstance) 1) It first calls block.isFree(arrivalTime) which in return calls occupy.inInterval(time) IntervalArray: int inInterval(double time) returns the interval in the array which contains the given time argument or returns -1 if no such interval exists.
static java.awt.Color	getSignalColor(int signalSeenByTrain, int numberOfSignalAspects)
int	getSignalValue()
boolean	hasError()
void	setNumberOfSignalAspects(int nSignalAspects)
void	setSignalValue(int signalValue)

Methods inherited from class gui.entities.sectionEntities.Entity

getEntityType, isBlock, isLink, isLoop, setEntityType

Methods inherited from class java.lang.Object

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

Constructor Detail

Signal

public Signal()

constructor

Method Detail

getSignal

public int getSignal(Block currentBlock,
            Train currTrain,
            double arrivalTime,
            boolean consideringHalts,
            int maxSignalAspectsToBeConsidered,
            SimulationInstance simulationInstance)

1) It first calls block.isFree(arrivalTime) which in return calls occupy.inInterval(time) IntervalArray: int inInterval(double time) returns the interval in the array which contains the given time argument or returns -1 if no such interval exists. 2) If no such interval exists then the function checks if according to the reference time table and if the train is a scheduled train has to wait. It then returns yellow meaning it has to wait. If it is a freight train, it checks if the next block is free to what extent i.e. it recursively calls for nextBlock.signal(currTrain, noOfColor -1, arrivalTime, direction) and returns a (signal+1). 3) Else, meaning there exists an interval in which the block is occupied, hence it returns a red signal, that is 0.

Parameters:

currentBlock - stores the current block

currTrain - stores the current train

noOfColor - color details

arrivalTime - stores the arrival time (unit ?)

consideringHalts - true or false based on whether halts are encountered

maxSignalAspectsToBeConsidered -

direction - details about the direction

Returns:

getSignal

getNumberOfAspects

public int getNumberOfAspects()

hasError

public boolean hasError()

Specified by:

hasError in class Entity

getSignalValue

public int getSignalValue()

setSignalValue

public void setSignalValue(int signalValue)

getSignalColor

public static java.awt.Color getSignalColor(int signalSeenByTrain,
                            int numberOfSignalAspects)

setNumberOfSignalAspects

public void setNumberOfSignalAspects(int nSignalAspects)