    001    /* ===========================================================
    002     * JFreeChart : a free chart library for the Java(tm) platform
    003     * ===========================================================
    004     *
    005     * (C) Copyright 2000-2007, by Object Refinery Limited and Contributors.
    006     *
    007     * Project Info:  http://www.jfree.org/jfreechart/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     * IntervalXYZDataset.java
    029     * -----------------------
    030     * (C) Copyright 2001-2007, by Object Refinery Limited.
    031     *
    032     * Original Author:  David Gilbert (for Object Refinery Limited);
    033     * Contributor(s):   -;
    034     *
    035     * Changes
    036     * -------
    037     * 31-Oct-2001 : Version 1 (DG);
    038     *
    039     */
    040
    041    package org.jfree.data.xy;
    042
    043
    044    /**
    045     * An extension of the {@link XYZDataset} interface that allows a range of data
    046     * to be defined for any of the X values, the Y values, and the Z values.
    047     */
    048    public interface IntervalXYZDataset extends XYZDataset {
    049
    050        /**
    051         * Returns the starting X value for the specified series and item.
    052         *
    053         * @param series  the series (zero-based index).
    054         * @param item  the item within a series (zero-based index).
    055         *
    056         * @return The starting X value for the specified series and item.
    057         */
    058        public Number getStartXValue(int series, int item);
    059
    060        /**
    061         * Returns the ending X value for the specified series and item.
    062         *
    063         * @param series  the series (zero-based index).
    064         * @param item  the item within a series (zero-based index).
    065         *
    066         * @return The ending X value for the specified series and item.
    067         */
    068        public Number getEndXValue(int series, int item);
    069
    070        /**
    071         * Returns the starting Y value for the specified series and item.
    072         *
    073         * @param series  the series (zero-based index).
    074         * @param item  the item within a series (zero-based index).
    075         *
    076         * @return The starting Y value for the specified series and item.
    077         */
    078        public Number getStartYValue(int series, int item);
    079
    080        /**
    081         * Returns the ending Y value for the specified series and item.
    082         *
    083         * @param series  the series (zero-based index).
    084         * @param item  the item within a series (zero-based index).
    085         *
    086         * @return The ending Y value for the specified series and item.
    087         */
    088        public Number getEndYValue(int series, int item);
    089
    090        /**
    091         * Returns the starting Z value for the specified series and item.
    092         *
    093         * @param series  the series (zero-based index).
    094         * @param item  the item within a series (zero-based index).
    095         *
    096         * @return The starting Z value for the specified series and item.
    097         */
    098        public Number getStartZValue(int series, int item);
    099
    100        /**
    101         * Returns the ending Z value for the specified series and item.
    102         *
    103         * @param series  the series (zero-based index).
    104         * @param item  the item within a series (zero-based index).
    105         *
    106         * @return The ending Z value for the specified series and item.
    107         */
    108        public Number getEndZValue(int series, int item);
    109
    110    }