root / trunk / extensions / extGeoProcessing / src / com / iver / cit / gvsig / geoprocess / core / fmap / AverageFunction.java @ 5412
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/*
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* Created on 23-feb-2006
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*
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* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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/* CVS MESSAGES:
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*
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* $Id: AverageFunction.java 5412 2006-05-24 21:15:07Z azabala $
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* $Log$
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* Revision 1.1 2006-05-24 21:12:16 azabala
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* primera version en cvs despues de refactoring orientado a crear un framework extensible de geoprocessing
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*
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* Revision 1.1 2006/02/26 20:55:28 azabala
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* *** empty log message ***
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*
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*
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*/
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package com.iver.cit.gvsig.geoprocess.core.fmap; |
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import com.hardcode.gdbms.engine.values.NumericValue; |
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import com.hardcode.gdbms.engine.values.ValueFactory; |
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public class AverageFunction implements SummarizationFunction { |
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double sum = 0d; |
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int numElements = 0; |
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public void process(NumericValue value) { |
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sum += value.doubleValue(); |
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numElements++; |
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} |
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public NumericValue getSumarizeValue() {
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double res = sum / (double)numElements; |
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return ValueFactory.createValue(res);
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} |
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public String toString(){ |
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return "avg"; |
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} |
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public void reset() { |
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sum = 0d;
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numElements = 0;
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} |
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} |