001/** 002 * Copyright (C) 2007 - 2016, 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 */ 019package org.dllearner.kb.extraction; 020 021import org.apache.log4j.Logger; 022 023 024 025/** 026 * Property node, has connection to a and b part 027 * 028 * @author Sebastian Hellmann 029 * 030 */ 031 032public abstract class PropertyNode extends Node { 033 034 public static Logger logger = Logger.getLogger(PropertyNode.class); 035 036 // the a and b part of a property 037 protected Node a; 038 protected Node b; 039 040 041 public PropertyNode(String propertyURI, Node a, Node b) { 042 super(propertyURI); 043 this.a = a; 044 this.b = b; 045 046 } 047 048 public Node getAPart() { 049 return a; 050 } 051 052 public Node getBPart() { 053 return b; 054 } 055 056 057 058}