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jfreechart example source code file (GanttCategoryDataset.java)

This example jfreechart source code file (GanttCategoryDataset.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - jfreechart tags/keywords

comparable, comparable, ganttcategorydataset, ganttcategorydataset, intervalcategorydataset, intervalcategorydataset, number, number

The jfreechart GanttCategoryDataset.java source code

/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2008, by Object Refinery Limited and Contributors.
 *
 * Project Info:  http://www.jfree.org/jfreechart/index.html
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
 * in the United States and other countries.]
 *
 * -------------------------
 * GanttCategoryDataset.java
 * -------------------------
 * (C) Copyright 2003-2008, by Object Refinery Limited.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * Changes
 * -------
 * 16-Sep-2003 : Version 1, based on MultiIntervalCategoryDataset (DG);
 * 23-Sep-2003 : Fixed Checkstyle issues (DG);
 * 12-May-2008 : Updated API docs (DG);
 *
 */

 package org.jfree.data.gantt;

import org.jfree.data.category.IntervalCategoryDataset;

/**
 * An extension of the {@link IntervalCategoryDataset} interface that adds
 * support for multiple sub-intervals.
 */
public interface GanttCategoryDataset extends IntervalCategoryDataset {

    /**
     * Returns the percent complete for a given item.
     *
     * @param row  the row index (zero-based).
     * @param column  the column index (zero-based).
     *
     * @return The percent complete.
     *
     * @see #getPercentComplete(Comparable, Comparable)
     */
    public Number getPercentComplete(int row, int column);

    /**
     * Returns the percent complete for a given item.
     *
     * @param rowKey  the row key.
     * @param columnKey  the column key.
     *
     * @return The percent complete.
     *
     * @see #getPercentComplete(int, int)
     */
    public Number getPercentComplete(Comparable rowKey, Comparable columnKey);

    /**
     * Returns the number of sub-intervals for a given item.
     *
     * @param row  the row index (zero-based).
     * @param column  the column index (zero-based).
     *
     * @return The sub-interval count.
     *
     * @see #getSubIntervalCount(Comparable, Comparable)
     */
    public int getSubIntervalCount(int row, int column);

    /**
     * Returns the number of sub-intervals for a given item.
     *
     * @param rowKey  the row key.
     * @param columnKey  the column key.
     *
     * @return The sub-interval count.
     *
     * @see #getSubIntervalCount(int, int)
     */
    public int getSubIntervalCount(Comparable rowKey, Comparable columnKey);

    /**
     * Returns the start value of a sub-interval for a given item.
     *
     * @param row  the row index (zero-based).
     * @param column  the column index (zero-based).
     * @param subinterval  the sub-interval index (zero-based).
     *
     * @return The start value (possibly <code>null).
     *
     * @see #getEndValue(int, int, int)
     */
    public Number getStartValue(int row, int column, int subinterval);

    /**
     * Returns the start value of a sub-interval for a given item.
     *
     * @param rowKey  the row key.
     * @param columnKey  the column key.
     * @param subinterval  the sub-interval.
     *
     * @return The start value (possibly <code>null).
     *
     * @see #getEndValue(Comparable, Comparable, int)
     */
    public Number getStartValue(Comparable rowKey, Comparable columnKey,
                                int subinterval);

    /**
     * Returns the end value of a sub-interval for a given item.
     *
     * @param row  the row index (zero-based).
     * @param column  the column index (zero-based).
     * @param subinterval  the sub-interval.
     *
     * @return The end value (possibly <code>null).
     *
     * @see #getStartValue(int, int, int)
     */
    public Number getEndValue(int row, int column, int subinterval);

    /**
     * Returns the end value of a sub-interval for a given item.
     *
     * @param rowKey  the row key.
     * @param columnKey  the column key.
     * @param subinterval  the sub-interval.
     *
     * @return The end value (possibly <code>null).
     *
     * @see #getStartValue(Comparable, Comparable, int)
     */
    public Number getEndValue(Comparable rowKey, Comparable columnKey,
                              int subinterval);

    /**
     * Returns the percentage complete value of a sub-interval for a given item.
     *
     * @param row  the row index (zero-based).
     * @param column  the column index (zero-based).
     * @param subinterval  the sub-interval.
     *
     * @return The percent complete value (possibly <code>null).
     *
     * @see #getPercentComplete(Comparable, Comparable, int)
     */
    public Number getPercentComplete(int row, int column, int subinterval);

    /**
     * Returns the percentage complete value of a sub-interval for a given item.
     *
     * @param rowKey  the row key.
     * @param columnKey  the column key.
     * @param subinterval  the sub-interval.
     *
     * @return The percent complete value (possibly <code>null).
     *
     * @see #getPercentComplete(int, int, int)
     */
    public Number getPercentComplete(Comparable rowKey, Comparable columnKey,
                                     int subinterval);

}

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