LPredicate.java

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/*
 * (c) copyright 2008, Technische Universitaet Graz and Technische Universitaet Wien
 *
 * This file is part of jdiagengine.
 *
 * jdiagengine is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * jdiagengine is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with jdiagengine. If not, see <http://www.gnu.org/licenses/>.
 *
 * Authors: Joerg Weber, Franz Wotawa
 * Contact: jweber@ist.tugraz.at (preferred), or fwotawa@ist.tugraz.at
 *
 */


package theoremprover;

import java.lang.*;    // Java language classes 
import java.util.*;
import theoremprover.*;


public class LPredicate extends LObject
{
    // Instance variables

    public ArrayList arguments;
    public String identifier;

    // Instance creation and initialization

    LPredicate()
    {
        arguments = new ArrayList();
        identifier = null;
    }

    LPredicate(String str, ArrayList v)
    {
        arguments = v;
        identifier = str;
    }

    // Accessing methods

    public String toString()
    {
        StringBuffer str = new StringBuffer();
        str.append(identifier);
        if (arguments.size() != 0) {
          str.append("(");
          Iterator e = arguments.iterator();
          int i = arguments.size();
          while (e.hasNext()) {
            str.append((e.next()).toString());
            i--;
            if (i>0) { str.append(", ");}
          }
          str.append(")");
        }
        return str.toString();
    }

    public PropositionalTheoremProver asPropositionalSentence()
    {
        return null;
    }

    public ABTheoremProver asABPropositionalSentence()
    {
        return null;
    }


    public ArrayList allPredicates(String str, int i, ArrayList v)
    {
        if (identifier.equals(str) && (i == arguments.size())) {
            v.add(this);
        }
        return v;
    }
}