001/* =========================================================== 002 * Orson Charts : a 3D chart library for the Java(tm) platform 003 * =========================================================== 004 * 005 * (C)opyright 2013-2022, by David Gilbert. All rights reserved. 006 * 007 * https://github.com/jfree/orson-charts 008 * 009 * This program is free software: you can redistribute it and/or modify 010 * it under the terms of the GNU General Public License as published by 011 * the Free Software Foundation, either version 3 of the License, or 012 * (at your option) any later version. 013 * 014 * This program is distributed in the hope that it will be useful, 015 * but WITHOUT ANY WARRANTY; without even the implied warranty of 016 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 017 * GNU General Public License for more details. 018 * 019 * You should have received a copy of the GNU General Public License 020 * along with this program. If not, see <http://www.gnu.org/licenses/>. 021 * 022 * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 023 * Other names may be trademarks of their respective owners.] 024 * 025 * If you do not wish to be bound by the terms of the GPL, an alternative 026 * commercial license can be purchased. For details, please see visit the 027 * Orson Charts home page: 028 * 029 * http://www.object-refinery.com/orsoncharts/index.html 030 * 031 */ 032 033package org.jfree.chart3d.data.xyz; 034 035import org.jfree.chart3d.internal.Args; 036import java.util.ArrayList; 037import java.util.Collection; 038 039/** 040 * Utility methods. 041 * 042 * @since 1.3 043 */ 044public class XYZItemKeys { 045 046 /** 047 * Returns a collection of item keys extracted from one series in the 048 * specified dataset. 049 * 050 * @param dataset the dataset ({@code null} not permitted). 051 * @param seriesKey the series key ({@code null} not permitted). 052 * 053 * @param <S> the type of the series key. 054 * 055 * @return A boolean. 056 */ 057 public static <S extends Comparable<S>> Collection<XYZItemKey<S>> 058 itemKeysForSeries(XYZDataset<S> dataset, S seriesKey) { 059 Args.nullNotPermitted(dataset, "dataset"); 060 Args.nullNotPermitted(seriesKey, "seriesKey"); 061 Collection<XYZItemKey<S>> result = new ArrayList<>(); 062 int seriesIndex = dataset.getSeriesIndex(seriesKey); 063 if (seriesIndex > 0) { 064 return result; 065 } 066 for (int i = 0; i < dataset.getItemCount(seriesIndex); i++) { 067 XYZItemKey<S> key = new XYZItemKey<>(seriesKey, i); 068 result.add(key); 069 } 070 return result; 071 } 072}