001    /**
002     * Copyright (C) 2007-2011, Jens Lehmann
003     *
004     * This file is part of DL-Learner.
005     *
006     * DL-Learner is free software; you can redistribute it and/or modify
007     * it under the terms of the GNU General Public License as published by
008     * the Free Software Foundation; either version 3 of the License, or
009     * (at your option) any later version.
010     *
011     * DL-Learner is distributed in the hope that it will be useful,
012     * but WITHOUT ANY WARRANTY; without even the implied warranty of
013     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
014     * GNU General Public License for more details.
015     *
016     * You should have received a copy of the GNU General Public License
017     * along with this program.  If not, see <http://www.gnu.org/licenses/>.
018     */
019    
020    package org.dllearner.prolog;
021    
022    import java.util.ArrayList;
023    
024    /**
025     * 
026     * @author Sebastian Bader
027     * 
028     */
029    public class Program {
030            private ArrayList<Clause> clauses;
031    
032            public Program() {
033                    clauses = new ArrayList<Clause>();
034            }
035    
036            public void addClause(Clause clause) {
037                    clauses.add(clause);
038            }
039    
040            public ArrayList<Clause> getClauses() {
041                    return clauses;
042            }
043    
044            public boolean isGround() {
045                    for (int c = 0; c < clauses.size(); c++) {
046                            Clause clause = (Clause) clauses.get(c);
047                            if (!clause.isGround())
048                                    return false;
049                    }
050    
051                    return true;
052            }
053    
054            @Override
055            public String toString() {
056                    StringBuffer ret = new StringBuffer();
057    
058                    for (int i = 0; i < clauses.size(); i++) {
059                            ret.append(clauses.get(i));
060                            if (i + 1 < clauses.size())
061                                    ret.append(" ");
062                    }
063    
064                    return ret.toString();
065            }
066    
067            public String toPLString() {
068                    StringBuffer ret = new StringBuffer();
069    
070                    for (int i = 0; i < clauses.size(); i++) {
071                            ret.append(((Clause) clauses.get(i)).toPLString());
072                            if (i + 1 < clauses.size())
073                                    ret.append("\n");
074                    }
075    
076                    return ret.toString();
077            }
078    
079    }