/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2011, 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.
*
* [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
* Other names may be trademarks of their respective owners.]
*
* ------------------------------
* MultiValueCategoryDataset.java
* ------------------------------
* (C) Copyright 2007, 2008, by David Forslund and Contributors.
*
* Original Author: David Forslund;
* Contributor(s): David Gilbert (for Object Refinery Limited);
*
* Changes
* -------
* 08-Oct-2007 : Version 1, see patch 1780779 (DG);
*
*/
package org.jfree.data.statistics;
import java.util.List;
import org.jfree.data.category.CategoryDataset;
/**
* A category dataset that defines multiple values for each item.
*
* @since 1.0.7
*/
public interface MultiValueCategoryDataset extends CategoryDataset {
/**
* Returns a list (possibly empty) of the values for the specified item.
* The returned list should be unmodifiable.
*
* @param row the row index (zero-based).
* @param column the column index (zero-based).
*
* @return The list of values.
*/
public List getValues(int row, int column);
/**
* Returns a list (possibly empty) of the values for the specified item.
* The returned list should be unmodifiable.
*
* @param rowKey the row key (<code>null</code> not permitted).
* @param columnKey the column key (<code>null</code> not permitted).
*
* @return The list of values.
*/
public List getValues(Comparable rowKey, Comparable columnKey);
}
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