001    /*
002     * Copyright (C) 2008-2010 by Holger Arndt
003     *
004     * This file is part of the Universal Java Matrix Package (UJMP).
005     * See the NOTICE file distributed with this work for additional
006     * information regarding copyright ownership and licensing.
007     *
008     * UJMP is free software; you can redistribute it and/or modify
009     * it under the terms of the GNU Lesser General Public License as
010     * published by the Free Software Foundation; either version 2
011     * of the License, or (at your option) any later version.
012     *
013     * UJMP is distributed in the hope that it will be useful,
014     * but WITHOUT ANY WARRANTY; without even the implied warranty of
015     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
016     * GNU Lesser General Public License for more details.
017     *
018     * You should have received a copy of the GNU Lesser General Public
019     * License along with UJMP; if not, write to the
020     * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
021     * Boston, MA  02110-1301  USA
022     */
023    
024    package org.ujmp.core.collections;
025    
026    import java.io.Serializable;
027    
028    public abstract class AbstractList<T> extends java.util.AbstractList<T> implements Serializable {
029            private static final long serialVersionUID = 8080725473401179259L;
030    
031            // do not create writeObject and readObject!
032            // it will not work when additional data from a subclass is needed
033            // to create the list
034            // private void readObject(ObjectInputStream s) throws IOException,
035            // ClassNotFoundException {
036            // s.defaultReadObject();
037            // int size = s.readInt();
038            // for (int i = 0; i < size; i++) {
039            // try {
040            // T t = (T) s.readObject();
041            // add(t);
042            // } catch (OptionalDataException e) {
043            // return;
044            // }
045            // }
046            // }
047    
048            // do not create writeObject and readObject!
049            // it will not work when additional data from a subclass is needed
050            // to create the list
051            // private void writeObject(ObjectOutputStream s) throws IOException,
052            // MatrixException {
053            // s.defaultWriteObject();
054            // s.writeInt(size());
055            // for (Object t : this) {
056            // s.writeObject(t);
057            // }
058            // }
059    
060            public abstract T get(int index);
061    
062            public abstract boolean add(T t);
063    
064            public abstract void add(int index, T element);
065    
066            public abstract T remove(int index);
067    
068            public abstract T set(int index, T element);
069    
070    }