source: tmcsimulator/trunk/src/atmsdriver/model/FEPLine.java @ 103

package atmsdriver.model;



import java.util.List;

import org.w3c.dom.Document;

import org.w3c.dom.Element;



/** An FEPLine is a simulated line of communication from the FEP to 

 *  LoopDetectorStations in the traffic network.

 * 

 *  An FEPLine contains static meta data and a list of LoopDetectorStations.

 *  A single FEPLine contains multiple LoopDetectorStations.

 *

 * @author John A. Torres

 * @version 09/10/2017

 */ 

public class FEPLine {

    /* Static FEPLine meta data */

    final public int lineNum;

    final public List<Station> stations;

    final private int count;

    

    final private int schedule;

    final private int lineInfo;

    final private long systemKey;

    

    // THESE WILL NEED TO BE UPDATED MAYBE, NOT SURE, NOT A PRIORITY. SEE METHOD

    // UPDATESEQUENCES()

    private long globalSeq;

    private long scheduleSeq;

    

    public FEPLine(int lineNum, List<Station> stations, int count,

            int schedule, int lineInfo, long systemKey, long globalSeq,

            long scheduleSeq)

    {

        this.lineNum = lineNum;

        this.stations = stations;

        this.count = count;

        this.schedule = schedule;

        this.lineInfo = lineInfo;

        this.systemKey = systemKey;

        this.globalSeq = globalSeq;

        this.scheduleSeq = scheduleSeq;

    }

    

    // NEED TO CHECK NUMBERS? DO WE EVEN NEED THIS?

    public void updateSequences()

    {        

        this.scheduleSeq += 1;

        this.globalSeq += 51;

    }

    

    public String getLineMeta()

    {

        StringBuilder build = new StringBuilder();

        build.append(Integer.toString(this.lineNum));

        build.append(" ");

        build.append(Integer.toString(this.count));

        build.append(" ");

        build.append(Integer.toString(this.stations.size()));

        build.append("\n");

        for(Station station : stations)

        {

            build.append(station.getStationMeta());

        }

        return build.toString();

    }

    

    public void toXML(Element currElem)

    {

        Document theDoc = currElem.getOwnerDocument();

        

        Element lineElement = theDoc.createElement(XML_TAGS.LINE.tag);

        currElem.appendChild(lineElement);

        

        Element lineNumElement = theDoc.createElement(XML_TAGS.LINE_NUM.tag);

        lineNumElement.appendChild(theDoc.createTextNode(String.valueOf(this.lineNum)));

        lineElement.appendChild(lineNumElement);

        

        Element countElement = theDoc.createElement(XML_TAGS.COUNT.tag);

        countElement.appendChild(theDoc.createTextNode(String.valueOf(this.count)));

        lineElement.appendChild(countElement);

        

        Element scheduleElement = theDoc.createElement(XML_TAGS.SCHEDULE.tag);

        scheduleElement.appendChild(theDoc.createTextNode(String.valueOf(this.schedule)));

        lineElement.appendChild(scheduleElement);

        

        Element lineInfoElement = theDoc.createElement(XML_TAGS.LINE_INFO.tag);

        lineInfoElement.appendChild(theDoc.createTextNode(String.valueOf(this.lineInfo)));

        lineElement.appendChild(lineInfoElement);

        

        Element systemKeyElement = theDoc.createElement(XML_TAGS.SYSTEM_KEY.tag);

        systemKeyElement.appendChild(theDoc.createTextNode(String.valueOf(this.systemKey)));

        lineElement.appendChild(systemKeyElement);

        

        Element globalSeqElement = theDoc.createElement(XML_TAGS.GLOBAL_SEQ.tag);

        globalSeqElement.appendChild(theDoc.createTextNode(String.valueOf(this.globalSeq)));

        lineElement.appendChild(globalSeqElement);

        

        Element scheduleSeqElement = theDoc.createElement(XML_TAGS.SCHEDULE_SEQ.tag);

        scheduleSeqElement.appendChild(theDoc.createTextNode(String.valueOf(this.scheduleSeq)));

        lineElement.appendChild(scheduleSeqElement);

        

        Element stationsElement = theDoc.createElement(XML_TAGS.STATIONS.tag);

        lineElement.appendChild(stationsElement);

        for(Station station : stations)

        {

            station.toXML(stationsElement);

        }

    }

    

    private static enum XML_TAGS

    {

        LINE("Line"),

        LINE_NUM("Line_Num"),

        STATIONS("Stations"),

        COUNT("Count"),

        SCHEDULE("Schedule"),

        LINE_INFO("Line_Info"),

        SYSTEM_KEY("System_Key"),

        GLOBAL_SEQ("Global_Seq"),

        SCHEDULE_SEQ("Schedule_Seq");

        

        String tag;

        

        private XML_TAGS(String n)

        {

            tag = n;

        }

    }

}