svn-gvsig-desktop / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / layers / ReadableVectorial.java @ 1283
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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.layers; |
42 | |||
43 | 305 | fjp | import com.iver.cit.gvsig.fmap.core.IGeometry; |
44 | 214 | fernando | import com.iver.cit.gvsig.fmap.drivers.DriverIOException; |
45 | |||
46 | 369 | fernando | import java.awt.geom.Rectangle2D; |
47 | 214 | fernando | |
48 | 369 | fernando | |
49 | 214 | fernando | /**
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50 | * Interfaz usada internamente para acceder a fuentes de datos vectoriales en
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51 | * modo lectura
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52 | */
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53 | public interface ReadableVectorial { |
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54 | 1034 | vcaballero | /**
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55 | * Indica que se va a comenzar a hacer una serie de operaciones sobre el
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56 | * origen de datos con la finalidad de que dicho origen de datos se
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57 | * prepare (abra el fichero, comience una transacci?n, conecte al
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58 | * servidor, ...). Abre el fichero de ?ndices en caso de que exista.
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59 | *
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60 | * @throws DriverIOException
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61 | */
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62 | void start() throws DriverIOException; |
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63 | 214 | fernando | |
64 | 1034 | vcaballero | /**
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65 | * Hace que se cierre el soporte f?sico de la capa. Cierra el fichero de
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66 | * ?ndices en caso de que exista.
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67 | *
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68 | * @throws DriverIOException
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69 | */
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70 | void stop() throws DriverIOException; |
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71 | 214 | fernando | |
72 | 1034 | vcaballero | /**
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73 | * Devuelve la geometr?a a partir de un ?ndice.
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74 | *
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75 | * @param index ?ndice.
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76 | *
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77 | * @return Geometr?a.
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78 | *
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79 | * @throws DriverIOException
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80 | */
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81 | IGeometry getShape(int index) throws DriverIOException; |
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82 | 214 | fernando | |
83 | 1034 | vcaballero | /**
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84 | * Devuelve el n?mero de Shape.
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85 | *
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86 | * @return N?mero de Shape.
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87 | *
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88 | * @throws DriverIOException
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89 | */
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90 | int getShapeCount() throws DriverIOException; |
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91 | 214 | fernando | |
92 | 1034 | vcaballero | /**
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93 | * Devuelve la extensi?n total de la capa.
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94 | *
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95 | * @return Extensi?n total.
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96 | *
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97 | * @throws DriverIOException
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98 | */
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99 | Rectangle2D getFullExtent() throws DriverIOException; |
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100 | 369 | fernando | |
101 | 1034 | vcaballero | /**
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102 | * Obtiene el tipo de las geometr?as almacenadas en esta fuente de datos
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103 | *
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104 | * @return Obtiene el tipo de la capa. Es un bit-oring de los tipos
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105 | * definidos en FShape POINT, LINE, POLYGON o TEXT;
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106 | *
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107 | * @throws DriverIOException
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108 | */
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109 | int getShapeType() throws DriverIOException; |
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110 | 214 | fernando | } |