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/*

* To change this license header, choose License Headers in Project Properties.

* To change this template file, choose Tools | Templates

* and open the template in the editor.

*/

package ped;

import java.util.LinkedList;

/**

* This class propagates flow according to the point queue model (no spatial constraints).

*

* @author: Yashveer Bika, Michael W. Levin

*/

public class EntryLink extends Link

{

private double occupancy;

public EntryLink() {

super(0, "entry", null, null, 0, 0, Integer.MAX_VALUE, 1);

}

public EntryLink(int id, Node dummySrc, Node dest)

{

super(id, "entry", dummySrc, dest, 0, 0, Integer.MAX_VALUE, 1);

dest.setEntryLink(this);

// queue = new LinkedList<Vehicle>();

}

@Override

public double getQueueLength() {

return occupancy;

}

// public EntryLink(int id, Node n)

// {

// super(id, null, n, 0, 0, 0, 1);

//

//// queue = new LinkedList<Vehicle>();

//

// }

public void reset()

{

// TODO:

// fill this in

// queue.clear();

}

public double getOccupancy()

{

// fill this in

// TODO:

// return queue.size();

return occupancy;

}

public double getN(){

return occupancy;

}

public void step()

{

// fill this in

}

public void update()

{

// fill this in

}

public double getSendingFlow()

{

// fill this in

return occupancy;

}

public double getReceivingFlow()

{

// fill this in

return Double.MAX_VALUE;

}

public void addFlow(double y)

{

occupancy += y;

}

@Override

// TurningProps 对于upSrc Link 还是用的上的

/*

public double getPressure(Link downstreamLink, double turningProportion) {

if (downstreamLink instanceof CTM) {

CTM dl = (CTM) downstreamLink;

return CTM.calculatePressure_upSource(this, dl, turningProportion);

//return LTM.calculatePressure_upSource(this, dl, turningProportion);

}

return 0; // What this mean ? never make EntryLink ------> ExitLink directly ????

}

*/

// TODO: change to this when runing LTM

public double getPressure(Link downstreamLink, double turningProportion) {

if (downstreamLink instanceof LTM) {

LTM dl = (LTM) downstreamLink;

return LTM.calculatePressure_upSource(this, dl, turningProportion);

//return LTM.calculatePressure_upSource(this, dl, turningProportion);

}

return 0; // What this mean ? never make EntryLink ------> ExitLink directly ????

}

public double getPressure_Jabari(Link downstreamLink, double turningProportion) {

if (downstreamLink instanceof CTM) {

CTM dl = (CTM) downstreamLink;

return CTM.calculatePressure_upSource_Jabari(this, dl, turningProportion);

//return LTM.calculatePressure_upSource(this, dl, turningProportion);

}

return 0; // What this mean ? never make EntryLink ------> ExitLink directly ????

}

//TODO: Te add function;

// public double calculatePressure_normal(LTM upstreamLink, LTM downstreamLink, double turningProportion) {return 0;}

public void removeFlow(double y)

{

occupancy -= y;

}

public boolean isEntry() {

return true;

}

}