svn-gvsig-desktop / branches / FMap_SLD / libraries / libFMap / src / com / iver / cit / gvsig / fmap / layers / ReadableVectorial.java @ 1772
History | View | Annotate | Download (2.87 KB)
| 1 | 1100 | fjp | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
|
|---|---|---|---|
| 2 | *
|
||
| 3 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
|
||
| 4 | *
|
||
| 5 | * This program is free software; you can redistribute it and/or
|
||
| 6 | * modify it under the terms of the GNU General Public License
|
||
| 7 | * as published by the Free Software Foundation; either version 2
|
||
| 8 | * of the License, or (at your option) any later version.
|
||
| 9 | *
|
||
| 10 | * This program is distributed in the hope that it will be useful,
|
||
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
| 13 | * GNU General Public License for more details.
|
||
| 14 | *
|
||
| 15 | * You should have received a copy of the GNU General Public License
|
||
| 16 | * along with this program; if not, write to the Free Software
|
||
| 17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
|
||
| 18 | *
|
||
| 19 | * For more information, contact:
|
||
| 20 | *
|
||
| 21 | * Generalitat Valenciana
|
||
| 22 | * Conselleria d'Infraestructures i Transport
|
||
| 23 | * Av. Blasco Ib??ez, 50
|
||
| 24 | * 46010 VALENCIA
|
||
| 25 | * SPAIN
|
||
| 26 | *
|
||
| 27 | * +34 963862235
|
||
| 28 | * gvsig@gva.es
|
||
| 29 | * www.gvsig.gva.es
|
||
| 30 | *
|
||
| 31 | * or
|
||
| 32 | *
|
||
| 33 | * IVER T.I. S.A
|
||
| 34 | * Salamanca 50
|
||
| 35 | * 46005 Valencia
|
||
| 36 | * Spain
|
||
| 37 | *
|
||
| 38 | * +34 963163400
|
||
| 39 | * dac@iver.es
|
||
| 40 | */
|
||
| 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 | /**
|
| 50 | * Interfaz usada internamente para acceder a fuentes de datos vectoriales en
|
||
| 51 | * modo lectura
|
||
| 52 | */
|
||
| 53 | public interface ReadableVectorial { |
||
| 54 | 1034 | vcaballero | /**
|
| 55 | * Indica que se va a comenzar a hacer una serie de operaciones sobre el
|
||
| 56 | * origen de datos con la finalidad de que dicho origen de datos se
|
||
| 57 | * prepare (abra el fichero, comience una transacci?n, conecte al
|
||
| 58 | * servidor, ...). Abre el fichero de ?ndices en caso de que exista.
|
||
| 59 | *
|
||
| 60 | * @throws DriverIOException
|
||
| 61 | */
|
||
| 62 | void start() throws DriverIOException; |
||
| 63 | 214 | fernando | |
| 64 | 1034 | vcaballero | /**
|
| 65 | * Hace que se cierre el soporte f?sico de la capa. Cierra el fichero de
|
||
| 66 | * ?ndices en caso de que exista.
|
||
| 67 | *
|
||
| 68 | * @throws DriverIOException
|
||
| 69 | */
|
||
| 70 | void stop() throws DriverIOException; |
||
| 71 | 214 | fernando | |
| 72 | 1034 | vcaballero | /**
|
| 73 | * Devuelve la geometr?a a partir de un ?ndice.
|
||
| 74 | *
|
||
| 75 | * @param index ?ndice.
|
||
| 76 | *
|
||
| 77 | * @return Geometr?a.
|
||
| 78 | *
|
||
| 79 | * @throws DriverIOException
|
||
| 80 | */
|
||
| 81 | IGeometry getShape(int index) throws DriverIOException; |
||
| 82 | 214 | fernando | |
| 83 | 1034 | vcaballero | /**
|
| 84 | * Devuelve el n?mero de Shape.
|
||
| 85 | *
|
||
| 86 | * @return N?mero de Shape.
|
||
| 87 | *
|
||
| 88 | * @throws DriverIOException
|
||
| 89 | */
|
||
| 90 | int getShapeCount() throws DriverIOException; |
||
| 91 | 214 | fernando | |
| 92 | 1034 | vcaballero | /**
|
| 93 | * Devuelve la extensi?n total de la capa.
|
||
| 94 | *
|
||
| 95 | * @return Extensi?n total.
|
||
| 96 | *
|
||
| 97 | * @throws DriverIOException
|
||
| 98 | */
|
||
| 99 | Rectangle2D getFullExtent() throws DriverIOException; |
||
| 100 | 369 | fernando | |
| 101 | 1034 | vcaballero | /**
|
| 102 | * Obtiene el tipo de las geometr?as almacenadas en esta fuente de datos
|
||
| 103 | *
|
||
| 104 | * @return Obtiene el tipo de la capa. Es un bit-oring de los tipos
|
||
| 105 | * definidos en FShape POINT, LINE, POLYGON o TEXT;
|
||
| 106 | *
|
||
| 107 | * @throws DriverIOException
|
||
| 108 | */
|
||
| 109 | int getShapeType() throws DriverIOException; |
||
| 110 | 214 | fernando | } |