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1: /* =========================================================== 2: * JFreeChart : a free chart library for the Java(tm) platform 3: * =========================================================== 4: * 5: * (C) Copyright 2000-2007, by Object Refinery Limited and Contributors. 6: * 7: * Project Info: http://www.jfree.org/jfreechart/index.html 8: * 9: * This library is free software; you can redistribute it and/or modify it 10: * under the terms of the GNU Lesser General Public License as published by 11: * the Free Software Foundation; either version 2.1 of the License, or 12: * (at your option) any later version. 13: * 14: * This library is distributed in the hope that it will be useful, but 15: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 16: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 17: * License for more details. 18: * 19: * You should have received a copy of the GNU Lesser General Public 20: * License along with this library; if not, write to the Free Software 21: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 22: * USA. 23: * 24: * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 25: * in the United States and other countries.] 26: * 27: * ----------------------- 28: * CombinationDataset.java 29: * ----------------------- 30: * (C) Copyright 2001-2007, by Bill Kelemen. 31: * 32: * Original Author: Bill Kelemen; 33: * Contributor(s): -; 34: * 35: * Changes 36: * ------- 37: * 06-Dec-2001 : Version 1 (BK); 38: * ------------- JFREECHART 1.0.x --------------------------------------------- 39: * 02-Feb-2007 : Removed author tags from all over JFreeChart sources (DG); 40: * 41: */ 42: 43: package org.jfree.data.general; 44: 45: /** 46: * Interface that describes the new methods that any combined dataset needs to 47: * implement. A combined dataset object will combine one or more datasets and 48: * expose a sub-set or union of the combined datasets. 49: */ 50: public interface CombinationDataset { 51: 52: /////////////////////////////////////////////////////////////////////////// 53: // New methods from CombinationDataset 54: /////////////////////////////////////////////////////////////////////////// 55: 56: /** 57: * Returns the parent Dataset of this combination. If there is more than 58: * one parent, or a child is found that is not a combination, then returns 59: * <code>null</code>. 60: * 61: * @return The parent Dataset of this combination. 62: */ 63: public SeriesDataset getParent(); 64: 65: /** 66: * Returns a map or indirect indexing form our series into parent's series. 67: * 68: * @return A map or indirect indexing form our series into parent's series. 69: */ 70: public int[] getMap(); 71: 72: }