sensix v0.3.0

00001 
00010 /*
00011  * Copyright 2008. Los Alamos National Security, LLC. This material
00012  * was produced under U.S. Government contract DE-AC52-06NA25396 for
00013  * Los Alamos National Laboratory (LANL), which is operated by Los
00014  * Alamos National Security, LLC, for the Department of Energy. The
00015  * U.S. Government has rights to use, reproduce, and distribute this
00016  * software. NEITHER THE GOVERNMENT NOR LOS ALAMOS NATIONAL SECURITY,
00017  * LLC, MAKES ANY WARRANTY, EXPRESS OR IMPLIED, OR ASSUMES ANY LEGAL
00018  * LIABILITY FOR THE USE OF THIS SOFTWARE. If software is modified to
00019  * produce derivative works, such modified software should be clearly
00020  * marked, so as not to confuse it with the version available from LANL.
00021  *
00022  * Additionally, this program is free software; you can redistribute
00023  * it and/or modify it under the terms of the GNU General Public
00024  * License as published by the Free Software Foundation; version 2 of
00025  * the License. Accordingly, this program is distributed in the hope
00026  * it will be useful, but WITHOUT ANY WARRANTY; without even the
00027  * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00028  * PURPOSE. See the GNU General Public License for more details.
00029  *
00030  * You should have received a copy of the GNU General Public License
00031  * along with this program; if not, write to the Free Software
00032  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA. 
00033  */
00034 
00035 package sensix.sensing;
00036 
00037 import sensix.*;
00038 
00039 
00040 public class Delta extends Aggregate
00041 {
00042     public Delta(byte l, Collection[] c) {
00043         super("Delta", l, c);
00044     }
00045 
00046     public Delta(Collection[] c) {
00047         super("Delta", c);
00048     }
00049 
00050     public Delta(byte l, Collection[] c, int seq) {
00051         super("Delta", l, c, seq);
00052     }
00053 
00054 
00055     public byte identifier() {
00056         return Sensix.DELTA;
00057     }
00058 
00059     protected Data getResult(int idx) {
00060         double min = Double.POSITIVE_INFINITY, max = Double.NEGATIVE_INFINITY;
00061         double value = 0;
00062         Data[] res = collectors()[idx].results();
00063         for (int i = 0; i < res.length; i++) {
00064             Data d = res[i];
00065             if (SenseUtil.isIntegerData(d.discriminator())) {
00066                 if (d.iresult() > max)
00067                     max = d.iresult();
00068                 if (d.iresult() < min)
00069                     min = d.iresult();
00070             }
00071             else if (SenseUtil.isFloatingPointData(d.discriminator())) {
00072                 if (d.fresult() > max)
00073                     max = d.fresult();
00074                 if (d.fresult() < min)
00075                     min = d.fresult();
00076             }
00077         }
00078         value = max - min;
00079         Data ret = new Data();
00080         ret.fresult(value);
00081         return ret;
00082     }
00083 
00084     public Data result() {
00085         return getResult(0);
00086     }
00087 
00088     public Data[] results() {
00089         int num = collectors().length;
00090         Data[] array = new Data[num];
00091         for (int i = 0; i < num; i++)
00092             array[i] = getResult(i);
00093         return array;
00094     }
00095 
00096     public void results(Data[] data) {}
00097 }
/home/brennan/Software/sensix/source/C^4/sensix/sensing/Delta.java
