Application: gvSIG desktop

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

import java.awt.geom.Rectangle2D;

import com.iver.cit.gvsig.fmap.core.IGeometry;

import com.iver.cit.gvsig.fmap.core.v02.FConverter;

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, IGeometry geom) {

                Envelope env = FConverter.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;

        }

}