    001    /* ========================================================================
    002     * JCommon : a free general purpose class library for the Java(tm) platform
    003     * ========================================================================
    004     *
    005     * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
    006     *
    007     * Project Info:  http://www.jfree.org/jcommon/index.html
    008     *
    009     * This library is free software; you can redistribute it and/or modify it
    010     * under the terms of the GNU Lesser General Public License as published by
    011     * the Free Software Foundation; either version 2.1 of the License, or
    012     * (at your option) any later version.
    013     *
    014     * This library is distributed in the hope that it will be useful, but
    015     * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
    016     * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
    017     * License for more details.
    018     *
    019     * You should have received a copy of the GNU Lesser General Public
    020     * License along with this library; if not, write to the Free Software
    021     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
    022     * USA.
    023     *
    024     * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
    025     * in the United States and other countries.]
    026     *
    027     * ----------------
    028     * BooleanList.java
    029     * ----------------
    030     * (C) Copyright 2003, 2004, by Object Refinery Limited.
    031     *
    032     * Original Author:  David Gilbert (for Object Refinery Limited);
    033     * Contributor(s):   -;
    034     *
    035     * $Id: BooleanList.java,v 1.5 2005/10/18 13:24:19 mungady Exp $
    036     *
    037     * Changes
    038     * -------
    039     * 11-Jun-2003 : Version 1 (DG);
    040     * 23-Jul-2003 : Renamed BooleanTable --> BooleanList and now extends
    041     *               ObjectList (DG);
    042     * 13-Aug-2003 : Now extends new class AbstractObjectList (DG);
    043     * 21-Oct-2004 : Removed duplicate implementation of Cloneable and Serializable,
    044     *               AbstractObjectList already implements that.
    045     */
    046
    047    package org.jfree.util;
    048
    049    /**
    050     * A list of <code>Boolean</code> objects.
    051     *
    052     * @author David Gilbert
    053     */
    054    public class BooleanList extends AbstractObjectList {
    055
    056        /** For serialization. */
    057        private static final long serialVersionUID = -8543170333219422042L;
    058
    059        /**
    060         * Creates a new list.
    061         */
    062        public BooleanList() {
    063        }
    064
    065        /**
    066         * Returns a {@link Boolean} from the list.
    067         *
    068         * @param index the index (zero-based).
    069         *
    070         * @return a {@link Boolean} from the list.
    071         */
    072        public Boolean getBoolean(final int index) {
    073            return (Boolean) get(index);
    074        }
    075
    076        /**
    077         * Sets the value for an item in the list.  The list is expanded if
    078         * necessary.
    079         *
    080         * @param index  the index (zero-based).
    081         * @param b  the boolean.
    082         */
    083        public void setBoolean(final int index, final Boolean b) {
    084            set(index, b);
    085        }
    086
    087        /**
    088         * Tests the list for equality with another object (typically also a list).
    089         *
    090         * @param o  the other object.
    091         *
    092         * @return A boolean.
    093         */
    094        public boolean equals(final Object o) {
    095
    096            if (o instanceof BooleanList) {
    097                return super.equals(o);
    098            }
    099            return false;
    100        }
    101
    102        /**
    103         * Returns a hash code value for the object.
    104         *
    105         * @return the hashcode
    106         */
    107        public int hashCode() {
    108            return super.hashCode();
    109        }
    110    }