Application: gvSIG desktop

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * 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 3

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.fmap.geom.jts.spatialindex;

import org.gvsig.fmap.geom.DataTypes;

import org.gvsig.fmap.geom.GeometryManager;

import org.gvsig.fmap.geom.SpatialIndexFactory;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dynobject.DynObject;

import org.gvsig.tools.dynobject.DynObjectManager;

import org.gvsig.tools.service.Service;

import org.gvsig.tools.service.ServiceException;

import org.gvsig.tools.service.spi.ServiceManager;

public class SpatialIndexFactoryJSIRTree extends AbstractSpatialIndexFactory implements SpatialIndexFactory {

    public static final String NAME = GeometryManager.SPATIALINDEX_DEFAULT_RTREE;

    //

    // https://github.com/aled/jsi/issues/31

    // RTree only supports 2 dimensions 

    //

    public String getName() {

        return NAME;

    }

    public boolean isNearestQuerySupported() {

        return true;

    }

    public boolean canLimitResults() {

        return true;

    }

    public int getDataTypeSupported() {

        return DataTypes.INT;

    }

    public Service create(DynObject parameters, ServiceManager serviceManager) throws ServiceException {

        return new SpatialIndexJSIRTree((GeometryManager) serviceManager, this, parameters);

    }

    public DynObject createParameters() {

        DynObjectManager manager = ToolsLocator.getDynObjectManager();

        return manager.createDynObject(this.parametersDefinition);

    }

    public void initialize() {

        super.initialize(); 

        if( this.parametersDefinition == null ) {

            this.parametersDefinition = this.getBaseParametersDefinition();

            this.parametersDefinition.addDynFieldInt("MaxNodeEntries")

                    .setDefaultFieldValue(null)

                    .setMandatory(false);

            this.parametersDefinition.addDynFieldInt("MinNodeEntries")

                    .setDefaultFieldValue(null)

                    .setMandatory(false);

        }

    }

}