// ** This file was generated with DemFGen (vers:12/15/2010)

package gen;

import edu.neu.ccs.demeterf.lib.*;
import edu.neu.ccs.demeterf.*;





/** Representation of Predicate */
public class Predicate{
    protected final PredicateName pn;
    protected final List<Variable> args;

    /** Construct a(n) Predicate Instance */
    public Predicate(PredicateName pn, List<Variable> args){
        this.pn = pn;
        this.args = args;
    }
    /** Is the given object Equal to this Predicate? */
    public boolean equals(Object o){
        if(!(o instanceof Predicate))return false;
        if(o == this)return true;
        Predicate oo = (Predicate)o;
        return (((Object)pn).equals(oo.pn))&&(((Object)args).equals(oo.args));
    }
    /** Parse an instance of Predicate from the given String */
    public static Predicate parse(String inpt) throws gen.ParseException{
        return new gen.TheParser(new java.io.StringReader(inpt)).parse_Predicate();
    }
    /** Parse an instance of Predicate from the given Stream */
    public static Predicate parse(java.io.InputStream inpt) throws gen.ParseException{
        return new gen.TheParser(inpt).parse_Predicate();
    }
    /** Parse an instance of Predicate from the given Reader */
    public static Predicate parse(java.io.Reader inpt) throws gen.ParseException{
        return new gen.TheParser(inpt).parse_Predicate();
    }

    /** Field Class for Predicate.pn */
    public static class pn extends edu.neu.ccs.demeterf.Fields.any{}
    /** Field Class for Predicate.args */
    public static class args extends edu.neu.ccs.demeterf.Fields.any{}

    /** DGP method from Class Display */
    public String display(){ return gen.Display.DisplayM(this); }
    /** DGP method from Class Print */
    public String print(){ return gen.Print.PrintM(this); }
    /** DGP method from Class ToStr */
    public String toStr(){ return gen.ToStr.ToStrM(this); }
    /** Updater for field Predicate.pn */
    public Predicate updatePn(PredicateName _pn){
        return new Predicate(_pn, args);
    }
    /** Updater for field Predicate.args */
    public Predicate updateArgs(List<Variable> _args){
        return new Predicate(pn, _args);
    }
    /** Getter for field Predicate.pn */
    public PredicateName getPn(){ return pn; }
    /** Getter for field Predicate.args */
    public List<Variable> getArgs(){ return args; }

}