svn-gvsig-desktop / tags / v1_1_Build_1012 / libraries / libFMap / src / com / iver / cit / gvsig / fmap / operations / strategies / FeatureVisitor.java @ 12987
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1 | 1100 | fjp | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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2 | *
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3 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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4 | *
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5 | * This program is free software; you can redistribute it and/or
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6 | * modify it under the terms of the GNU General Public License
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7 | * as published by the Free Software Foundation; either version 2
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8 | * of the License, or (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program; if not, write to the Free Software
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17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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18 | *
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19 | * For more information, contact:
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20 | *
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21 | * Generalitat Valenciana
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22 | * Conselleria d'Infraestructures i Transport
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23 | * Av. Blasco Ib??ez, 50
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24 | * 46010 VALENCIA
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25 | * SPAIN
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26 | *
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27 | * +34 963862235
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28 | * gvsig@gva.es
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29 | * www.gvsig.gva.es
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30 | *
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31 | * or
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32 | *
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33 | * IVER T.I. S.A
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34 | * Salamanca 50
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35 | * 46005 Valencia
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36 | * Spain
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37 | *
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38 | * +34 963163400
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39 | * dac@iver.es
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40 | */
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41 | 214 | fernando | package com.iver.cit.gvsig.fmap.operations.strategies; |
42 | |||
43 | 305 | fjp | import com.iver.cit.gvsig.fmap.core.IGeometry; |
44 | 562 | fernando | import com.iver.cit.gvsig.fmap.layers.FLayer; |
45 | 214 | fernando | |
46 | 562 | fernando | |
47 | /**
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48 | 1034 | vcaballero | * Interfaz que ofrece los m?todos para iniciar, finalizar y visitar una
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49 | * feature.
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50 | 562 | fernando | */
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51 | 214 | fernando | public interface FeatureVisitor { |
52 | 562 | fernando | /**
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53 | * Recibe las geometr?as a medida que se van recorriendo en la estrategia.
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54 | *
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55 | * @param g Geometr?a que se recorre
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56 | * @param index ?ndice de la geometr?a
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57 | 1034 | vcaballero | *
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58 | * @throws VisitException
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59 | 562 | fernando | */
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60 | 923 | fernando | void visit(IGeometry g, int index) throws VisitException; |
61 | 4311 | azabala | |
62 | 10716 | jcampos | /**
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63 | * Recibe las geometr?as con su s?mbolo correpondiente
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64 | *
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65 | * @param g Geometr?a que se recorre
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66 | * @param index ?ndice de la geometr?a
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67 | * @param symbol Symbol associated to feature
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68 | *
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69 | * @throws VisitException
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70 | */
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71 | // void visitWithSymbol(IGeometry g, int index, ISymbol symbol) throws VisitException;
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72 | 4311 | azabala | |
73 | 5713 | fjp | |
74 | 4311 | azabala | /**
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75 | * All FeatureVisitor is linked with a call to Strategy.processXXX method.
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76 | * It represents an iterative process over all (or some) features of a Layer.
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77 | * This method returns a descriptive text of the process that a visitor makes.
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78 | *
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79 | * FIXME Internacionalizamos el mensaje???
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80 | * @return
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81 | */
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82 | String getProcessDescription();
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83 | 214 | fernando | |
84 | 562 | fernando | /**
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85 | * M?todo invocado al finalizar las visitas con el fin de que se puedan
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86 | * liberar los recursos reservados en start
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87 | *
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88 | * @param layer Capa sobre la que se actua
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89 | */
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90 | void stop(FLayer layer);
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91 | 214 | fernando | |
92 | 562 | fernando | /**
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93 | * M?todo invocado antes de las visitas para que el visitor pueda reservar
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94 | * alg?n tipo de recurso que sea necesario
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95 | *
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96 | * @param layer Capa sobre la que se act?a
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97 | *
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98 | 1034 | vcaballero | * @return Devuelve true si el visitor se puede aplicar sobre la capa que
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99 | * se pasa como par?metro
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100 | 562 | fernando | */
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101 | boolean start(FLayer layer);
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102 | 214 | fernando | } |