1 /* ============================================================
2 * JRobin : Pure java implementation of RRDTool's functionality
3 * ============================================================
4 *
5 * Project Info: http://www.jrobin.org
6 * Project Lead: Sasa Markovic (saxon@jrobin.org);
7 *
8 * (C) Copyright 2003-2005, by Sasa Markovic.
9 *
10 * Developers: Sasa Markovic (saxon@jrobin.org)
11 *
12 *
13 * This library is free software; you can redistribute it and/or modify it under the terms
14 * of the GNU Lesser General Public License as published by the Free Software Foundation;
15 * either version 2.1 of the License, or (at your option) any later version.
16 *
17 * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
18 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
19 * See the GNU Lesser General Public License for more details.
20 *
21 * You should have received a copy of the GNU Lesser General Public License along with this
22 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
23 * Boston, MA 02111-1307, USA.
24 */
25
26 package org.jrobin.core;
27
28 import java.io.IOException;
29
30 class RrdDoubleArray extends RrdPrimitive {
31 private int length;
32
33 RrdDoubleArray(RrdUpdater updater, int length) throws IOException {
34 super(updater, RrdPrimitive.RRD_DOUBLE, length, false);
35 this.length = length;
36 }
37
38 void set(int index, double value) throws IOException {
39 set(index, value, 1);
40 }
41
42 void set(int index, double value, int count) throws IOException {
43 // rollovers not allowed!
44 assert index + count <= length: "Invalid robin index supplied: index=" + index +
45 ", count=" + count + ", length=" + length;
46 writeDouble(index, value, count);
47 }
48
49 double get(int index) throws IOException {
50 assert index < length: "Invalid index supplied: " + index + ", length=" + length;
51 return readDouble(index);
52 }
53
54 double[] get(int index, int count) throws IOException {
55 assert index + count <= length: "Invalid index/count supplied: " + index +
56 "/" + count + " (length=" + length + ")";
57 return readDouble(index, count);
58 }
59
60 }