Application: gvSIG desktop

package org.gvsig.fmap.mapcontext.layers;

import java.awt.geom.Rectangle2D;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.util.Converter;

import com.vividsolutions.jts.geom.Envelope;

import com.vividsolutions.jts.index.ItemVisitor;

import com.vividsolutions.jts.index.quadtree.Quadtree;

public class SpatialCache  {

        int maxFeatures = 1000; // Por defecto, pero se puede cambiar

        int fastNumTotalRegs=0;

        Quadtree quadTree = new Quadtree();

        public int getMaxFeatures() {

                return maxFeatures;

        }

        public void setMaxFeatures(int maxFeatures) {

                this.maxFeatures = maxFeatures;

        }

        /**

         * M?todo de conveniencia

         *

         * @param r

         * @param igeometry

         */

        public synchronized void insert(Rectangle2D bounds, Geometry geom) {

                Envelope env = Converter.convertRectangle2DtoEnvelope(bounds);

                this.insert(env, geom);

                //fastNumTotalRegs++;

        }

        public synchronized void query(Envelope searchEnv, ItemVisitor visitor)

        {

                quadTree.query(searchEnv, visitor);

        }

        public void insert(Envelope itemEnv, Object item) {

                quadTree.insert(itemEnv, item);

                fastNumTotalRegs++;

        }

        public boolean remove(Envelope itemEnv, Object item) {

                boolean resul = quadTree.remove(itemEnv, item);

                if (resul)

                        fastNumTotalRegs--;

                return resul;

        }

        public int size() {

                return fastNumTotalRegs;

        }

        public void clearAll() {

                quadTree = new Quadtree();

                fastNumTotalRegs = 0;

        }

        public void remove(Rectangle2D bounds, Geometry geom) {

                Envelope env = Converter.convertRectangle2DtoEnvelope(bounds);

                this.remove(env,geom);

        }

}