PDF.java

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package cedar.jetweb.model;

import java.util.HashMap;
import java.util.Vector;
import java.util.Arrays;
import java.util.Map;

public class PDF{

    private String name_;
    private Integer member_;
    private boolean proton_    = false;
    private boolean photon_    = false;
    private boolean pion_      = false;
    private boolean dirtyType_ = true;

    private static HashMap<Integer, String> numberToName_;
    private static HashMap<String, Integer> nameToNumber_;
    
    private static boolean initialise_ = true;

    private static Vector<PDF> knownPDFs_;

    public PDF(Integer member){

    if(initialise_) init();
    member_ = member;
    setMember(member);
    return;
    }

    public PDF(String name){
    
    if(initialise_) init();
    name_ = name;
    setName(name);
    return;
    }

    public static Vector<PDF> getKnownPDFs(){
    if(initialise_) init();
    return knownPDFs_;
    }

    public PDF setName(String name){
    name_ = name;
    dirtyType_ = true;
    member_ = nameToNumber_.get(name);
    return this;
    }

    public PDF setMember(Integer member){
    member_ = member;
    dirtyType_ = true;
    name_ = numberToName_.get(member);
    return this;
    }

    public Integer getMember(){
    return member_;
    }

    public String getName(){
    return name_;
    }

    public boolean isProton(){
    if(dirtyType_){
        deduceType();
    }

    return proton_;
    }

    public boolean isPhoton(){
    if(dirtyType_){
        deduceType();
    }
    return photon_;
    }

    public boolean isPion(){
    if(dirtyType_){
        deduceType();
    }
    return pion_;
    }

    public PDF setIsPhoton(){
    //System.out.println("setting pdf to be photon");
    dirtyType_ = false;
    proton_ = false;
    photon_ = true;
    pion_   = false;

    return this;
    }

    public PDF setIsProton(){
    //System.out.println("setting pdf to be a proton");
    dirtyType_ = false;
    proton_ = true;
    photon_ = false;
    pion_ = false;
    return this;
    }

    public PDF setIsPion(){
    dirtyType_ = false;
    proton_ = false;
    photon_ = false;
    pion_   = true;
    return this;
    }

    public String toString(){
    return(getMember().toString());
    }

    public boolean equals(Object pdf){
    if(pdf==null) return false;
    if(!this.getClass().equals(pdf.getClass()))return false;
    return getMember().equals(((PDF)pdf).getMember());
    }

    private void deduceType(){

    String sMember = member_.toString();
    int len = sMember.length();
    char initial = sMember.charAt(0);

    //System.out.println("sMember = "+sMember);
    //System.out.println("len = "+len);
    //System.out.println("initial = "+initial);
    //boolean test = initial=='3';
    //System.out.println("initial=='3' = "+test);

    if(len==5){
        setIsProton();
    }else if(len==3 &&
         initial=='3'){
        setIsPhoton();
    }else if(len==3){
        setIsPion();
    }else{
        //do something 
    }
    return;
    }

    private static void init(){

    initialise_ = false;

    nameToNumber_ = new HashMap<String, Integer>();
    numberToName_ = new HashMap<Integer, String>();
    knownPDFs_ = new Vector<PDF>();

    nameToNumber_.put("GRV-G HO DIS NLO", 352);
    nameToNumber_.put("SaS-G 1D (ver.2) LO", 395);
    nameToNumber_.put("SaS-G 2D (ver.2) LO", 397);
    nameToNumber_.put("WHIT-G 2 LO", 382);

    nameToNumber_.put("CTEQ6m", 10050);
    nameToNumber_.put("MRST2004nnlo", 20470);
    nameToNumber_.put("ZEUS2005", 60300);

    for(Map.Entry entry: nameToNumber_.entrySet()){

        Integer val = (Integer) entry.getValue();

        numberToName_.put
        (val, (String)entry.getKey());

        knownPDFs_.add(new PDF(val));
    }

    }

}

Generated Wed Jan 17 09:14:27 GMT 2007