root / trunk / extensions / extGeoProcessing / src / com / iver / cit / gvsig / geoprocess / core / fmap / SummarizationFunction.java @ 7372
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1 | 5412 | azabala | /*
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2 | * Created on 23-feb-2006
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3 | *
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4 | * gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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5 | *
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6 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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7 | *
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8 | * This program is free software; you can redistribute it and/or
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9 | * modify it under the terms of the GNU General Public License
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10 | * as published by the Free Software Foundation; either version 2
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11 | * of the License, or (at your option) any later version.
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12 | *
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13 | * This program is distributed in the hope that it will be useful,
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 | * GNU General Public License for more details.
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17 | *
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18 | * You should have received a copy of the GNU General Public License
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19 | * along with this program; if not, write to the Free Software
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20 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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21 | *
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22 | * For more information, contact:
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23 | *
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24 | * Generalitat Valenciana
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25 | * Conselleria d'Infraestructures i Transport
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26 | * Av. Blasco Ib??ez, 50
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27 | * 46010 VALENCIA
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28 | * SPAIN
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29 | *
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30 | * +34 963862235
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31 | * gvsig@gva.es
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32 | * www.gvsig.gva.es
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33 | *
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34 | * or
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35 | *
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36 | * IVER T.I. S.A
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37 | * Salamanca 50
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38 | * 46005 Valencia
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39 | * Spain
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40 | *
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41 | * +34 963163400
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42 | * dac@iver.es
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43 | */
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44 | /* CVS MESSAGES:
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45 | *
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46 | * $Id$
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47 | * $Log$
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48 | * Revision 1.1 2006-05-24 21:12:16 azabala
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49 | * primera version en cvs despues de refactoring orientado a crear un framework extensible de geoprocessing
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50 | *
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51 | * Revision 1.1 2006/02/26 20:55:55 azabala
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52 | * *** empty log message ***
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53 | *
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54 | *
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55 | */
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56 | package com.iver.cit.gvsig.geoprocess.core.fmap; |
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57 | |||
58 | import com.hardcode.gdbms.engine.values.NumericValue; |
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59 | |||
60 | /**
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61 | * A summarization function is a function that operates
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62 | * with numerical values to get a numeric resume of them.
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63 | *
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64 | * Is used to get sumarization values of Group By operations,
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65 | * like Dissolve or Spatial Joins. Examples of sumarization
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66 | * functions are Average, Minimum, Max, etc.
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67 | *
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68 | * @author azabala
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69 | *
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70 | */
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71 | public interface SummarizationFunction { |
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72 | public void process(NumericValue value); |
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73 | public NumericValue getSumarizeValue();
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74 | public void reset(); |
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75 | } |