001/* Copyright (C) 2013 TU Dortmund 002 * This file is part of AutomataLib, http://www.automatalib.net/. 003 * 004 * AutomataLib is free software; you can redistribute it and/or 005 * modify it under the terms of the GNU Lesser General Public 006 * License version 3.0 as published by the Free Software Foundation. 007 * 008 * AutomataLib is distributed in the hope that it will be useful, 009 * but WITHOUT ANY WARRANTY; without even the implied warranty of 010 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 011 * Lesser General Public License for more details. 012 * 013 * You should have received a copy of the GNU Lesser General Public 014 * License along with AutomataLib; if not, see 015 * http://www.gnu.de/documents/lgpl.en.html. 016 */ 017package net.automatalib.words.impl; 018 019import net.automatalib.words.abstractimpl.AbstractSymbol; 020 021public class Symbol extends AbstractSymbol<Symbol> { 022 private final Object userObject; 023 024 public Symbol(Object userObject) { 025 this.userObject = userObject; 026 } 027 028 @Override 029 public int compareTo(Symbol o) { 030 return getId() - o.getId(); 031 } 032 033 public Object getUserObject() { 034 return userObject; 035 } 036 037 /* 038 * (non-Javadoc) 039 * @see java.lang.Object#toString() 040 */ 041 @Override 042 public String toString() { 043 return String.valueOf(userObject); 044 } 045}