KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > jfree > data > Values


1 /* ===========================================================
2  * JFreeChart : a free chart library for the Java(tm) platform
3  * ===========================================================
4  *
5  * (C) Copyright 2000-2005, 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 License
20  * along with this library; if not, write to the Free Software Foundation,
21  * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
22  *
23  * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
24  * in the United States and other countries.]
25  *
26  * -----------
27  * Values.java
28  * -----------
29  * (C) Copyright 2001-2005, by Object Refinery Limited.
30  *
31  * Original Author: David Gilbert (for Object Refinery Limited);
32  * Contributor(s): -;
33  *
34  * $Id: Values.java,v 1.2 2005/03/23 13:47:02 mungady Exp $
35  *
36  * Changes:
37  * --------
38  * 08-Nov-2001 : Version 1 (DG);
39  * 23-Oct-2002 : Renamed getValueCount --> getItemCount (DG);
40  *
41  */
42
43 package org.jfree.data;
44
45 /**
46  * An interface through which (single-dimension) data values can be accessed.
47  */
48 public interface Values {
49
50     /**
51      * Returns the number of items (values) in the collection.
52      *
53      * @return The item count.
54      */
55     public int getItemCount();
56
57     /**
58      * Returns a value.
59      *
60      * @param item the item of interest (zero-based index).
61      *
62      * @return The value.
63      */
64     public Number JavaDoc getValue(int item);
65
66 }
67
Popular Tags