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.abstractimpl; 018 019import java.util.AbstractList; 020 021import net.automatalib.words.Alphabet; 022 023public abstract class AbstractAlphabet<I> extends AbstractList<I> implements Alphabet<I> { 024 025 026 @Override 027 public int compare(I o1, I o2) { 028 return getSymbolIndex(o1) - getSymbolIndex(o2); 029 } 030 031 @Override 032 public I get(int index) { 033 return getSymbol(index); 034 } 035 036 037 @Override 038 public void writeToArray(int offset, Object[] array, int tgtOfs, int num) { 039 for(int i = offset, j = tgtOfs, k = 0; k < num; i++, j++, k++) { 040 array[j] = getSymbol(i); 041 } 042 } 043}