Particle.java

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package cedar.hepdata.model;

import cedar.hepdata.util.*;
import javax.persistence.*;

@Embeddable
public class Particle extends Storeable {
    @Column(name="ParticleName", nullable=false)
    private String name = null;

    @Column(name="PDGCode", nullable=true)
    private Integer pdgCode = null;

    @Column(name="Multiplicity", nullable=false)
    private Integer multiplicity = 1;

    @Column(name="MultRelation", nullable=false)
    private Relation multRelation = Relation.EQUALS;




    public Particle() {}

    public Particle(Integer pdgCode) {
        setPDGCode(pdgCode);
    }

    public Particle(String name) {
        setName(name);
    }

    public Particle(String name, Integer multiplicity) {
        this(name);
        setMultiplicity(multiplicity);
    }

    public Particle(String name, Integer multiplicity, Relation relation) {
        this(name, multiplicity);
        setMultRelation(relation);
    }





    public static Boolean sameType(Particle a, Particle b) {
        return a.getPDGCode() != null && b.getPDGCode() != null && a.getPDGCode() == b.getPDGCode()
            || a.getName() == b.getName();
    }




    public Integer getPDGCode() {
        return pdgCode;
    }
    public Particle setPDGCode(Integer pdgCode) {
        this.pdgCode = pdgCode;
        return this;
    }


    public String getName() {
        return name;
    }
    public Particle setName(String name) {
        this.name = name;
        return this;
    }


    public Integer getMultiplicity() {
        return multiplicity;
    }
    public Particle setMultiplicity(Integer multiplicity) {
        this.multiplicity = multiplicity;
        return this;
    }


    public Relation getMultRelation() {
        return multRelation;
    }
    public Particle setMultRelation(Relation multRelation) {
        this.multRelation = multRelation;
        return this;
    }






    public String getHtmlName() throws HDException {
        throw new HDException("YaPPI functionality currently unimplemented");
    }


    public String getTexName() throws HDException {
        throw new HDException("YaPPI functionality currently unimplemented");
    }






    public boolean equals(Object other) {
        if (this == other) return true;
        if (! (other instanceof Particle)) return false;
        return hashCode() == other.hashCode();
    }


    public int hashCode() {
        int code = 37;
        if (getName() != null)         code ^= getName().hashCode();
        if (getPDGCode() != null)      code ^= getPDGCode().hashCode();
        if (getMultiplicity() != null) code ^= getMultiplicity().hashCode();
        if (getMultRelation() != null) code ^= getMultRelation().hashCode();
        return code;
    }





    public String toString() {
        StringBuffer s = new StringBuffer();
        if (getMultiplicity() != null) {
            if (getMultRelation() != null && getMultRelation() != Relation.EQUALS) {
                s.append(getMultRelation());
                s.append(getMultiplicity());
            } else if (getMultiplicity() != 1) {
                s.append(getMultiplicity());
            }
        }
        s.append(getName());
        return s.toString();
    }


}

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