/* ===========================================================
* 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.]
*
* ----------------------
* CategoryRangeInfo.java
* ----------------------
* (C) Copyright 2009, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 27-Mar-2009 : Version 1 (DG);
*
*/
package org.jfree.data.category;
import java.util.List;
import org.jfree.data.Range;
/**
* An interface that can (optionally) be implemented by a dataset to assist in
* determining the minimum and maximum y-values.
*
* @since 1.0.13
*/
public interface CategoryRangeInfo {
/**
* Returns the range of the values in this dataset's range.
*
* @param visibleSeriesKeys the keys of the visible series.
* @param includeInterval a flag that determines whether or not the
* y-interval is taken into account.
*
* @return The range (or <code>null</code> if the dataset contains no
* values).
*/
public Range getRangeBounds(List visibleSeriesKeys,
boolean includeInterval);
}
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