| gvSIG desktop 1

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package com.iver.cit.gvsig.fmap.layers.layerOperations;

import java.awt.geom.Rectangle2D;

import com.hardcode.gdbms.driver.exceptions.ReadDriverException;

import com.iver.cit.gvsig.exceptions.expansionfile.ExpansionFileReadException;

import com.iver.cit.gvsig.exceptions.visitors.VisitorException;

import com.iver.cit.gvsig.fmap.layers.FBitSet;

import com.iver.cit.gvsig.fmap.operations.strategies.FeatureVisitor;

/**

 * <p>Interface that layers with vector data must implement.</p>

 * 

 * <p>Has methods for supporting the <i>visitor pattern</i> on the vector data features.</p>

 */

public interface VectorialData {

        /**

         * <p>Processes the layer's geometries indicated in the bit set, using the criterion of a <code>FeatureVisitor</code> object.</p>

         * 

         * @param visitor object that allows visit each feature

         * @param subset indicates the indexes of the geometries that will be visited

         *

         * @throws ReadDriverException any exception produced reading with the driver.

         * @throws ExpansionFileReadException any exception produced accessing an <code>ExpansionFile</code>.

         * @throws VisitorException any exception produced visiting the features.

         */

        public void process(FeatureVisitor visitor, FBitSet subset)

                throws ReadDriverException, ExpansionFileReadException, VisitorException;

        /**

         * <p>Processes the layer's geometries which intersect the rectangle passed as parameter, using the criterion of a <code>FeatureVisitor</code> object.</p>

         * 

         * @param visitor object that allows visit each feature

         * @param rect indicates the boundaries that will be analyzed

         *

         * @throws ReadDriverException any exception produced reading with the driver.

         * @throws ExpansionFileReadException any exception produced accessing an <code>ExpansionFile</code>.

         * @throws VisitorException any exception produced visiting the features.

         */

        public void process(FeatureVisitor visitor, Rectangle2D rect)

                throws ReadDriverException, ExpansionFileReadException, VisitorException;

        /**

         * <p>Processes the layer's geometries using the criterion of a <code>FeatureVisitor</code> object.</p>

         *

         * @param visitor object that allows visit each feature

         *

         * @throws ReadDriverException any exception produced reading with the driver.

         * @throws VisitorException any exception produced visiting the features.

         */

        public void process(FeatureVisitor visitor)

                throws ReadDriverException, VisitorException;

}