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Java > Open Source Codes > jcckit > data > DataPoint


1 /*
2  * Copyright 2003-2004, Franz-Josef Elmer, All rights reserved
3  *
4  * This library is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU Lesser General Public License as published by
6  * the Free Software Foundation; either version 2.1 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU Lesser General Public License for more details
13  * (http://www.gnu.org/copyleft/lesser.html).
14  *
15  * You should have received a copy of the GNU Lesser General Public License
16  * along with this library; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18  */
19 package jcckit.data;
20
21 import jcckit.util.Point;
22
23 /**
24  * Immutable two-dimensional point in data coordinates.
25  *
26  * @author Franz-Josef Elmer
27  */
28 public class DataPoint extends Point implements DataElement {
29   public DataPoint(double x, double y) {
30     super(x, y);
31   }
32
33   /** Returns always <tt>null</tt>. */
34   public DataContainer getContainer() {
35     return null;
36   }
37
38   /** Does nothing. */
39   public void setContainer(DataContainer container) {}
40 }
41
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