org.jfree.chart3d.data.xyz.XYZItemKeys Maven / Gradle / Ivy
/* ===========================================================
* Orson Charts : a 3D chart library for the Java(tm) platform
* ===========================================================
*
* (C)opyright 2013-2020, by Object Refinery Limited. All rights reserved.
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* https://github.com/jfree/orson-charts
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* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
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package org.jfree.chart3d.data.xyz;
import org.jfree.chart3d.internal.Args;
import java.util.ArrayList;
import java.util.Collection;
/**
* Utility methods.
*
* @since 1.3
*/
public class XYZItemKeys {
/**
* Returns a collection of item keys extracted from one series in the
* specified dataset.
*
* @param dataset the dataset ({@code null} not permitted).
* @param seriesKey the series key ({@code null} not permitted).
*
* @param the type of the series key.
*
* @return A boolean.
*/
public static > Collection>
itemKeysForSeries(XYZDataset dataset, S seriesKey) {
Args.nullNotPermitted(dataset, "dataset");
Args.nullNotPermitted(seriesKey, "seriesKey");
Collection> result = new ArrayList<>();
int seriesIndex = dataset.getSeriesIndex(seriesKey);
if (seriesIndex > 0) {
return result;
}
for (int i = 0; i < dataset.getItemCount(seriesIndex); i++) {
XYZItemKey key = new XYZItemKey<>(seriesKey, i);
result.add(key);
}
return result;
}
}