Application: gvSIG desktop

/* gvSIG. Geographic Information System of the Valencian Government

*

* Copyright (C) 2007-2008 Infrastructures and Transports Department

* of the Valencian Government (CIT)

* 

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

* MA  02110-1301, USA.

* 

*/

/*

* AUTHORS (In addition to CIT):

* 2008 {{Company}}   {{Task}}

*/

package org.gvsig.fmap.dal.feature.spi.index;

import java.util.List;

import org.gvsig.fmap.dal.exception.DataException;

import org.gvsig.fmap.dal.exception.InitializeException;

import org.gvsig.fmap.dal.feature.exception.FeatureIndexException;

import org.gvsig.fmap.dal.feature.spi.FeatureReferenceProviderServices;

public interface FeatureIndexProvider {

        /** Sets the IndexProviderServices that will provide application services to this index provider */

        public void setFeatureIndexProviderServices(FeatureIndexProviderServices services);

        /** Initializes this provider */

        public void initialize() throws InitializeException;

        /** Inserts a value into the index */

        public void insert(Object value, FeatureReferenceProviderServices fref);

        /** Deletes a value from the index, given its reference */

        public void delete(Object value, FeatureReferenceProviderServices fref);

        /** Performs a search in the index and returns a list with all the values that match the given value 

         * @throws FeatureIndexException TODO*/

        public List match(Object value) throws FeatureIndexException;

        /** Performs a search in the index and returns a list with the values that intersect with the given interval 

         * @throws FeatureIndexException TODO*/

        public List range(Object value1, Object value2) throws FeatureIndexException;

        /** Performs a search in the index and returns the list of up to n values which are nearest to the given value. */

        public List nearest(int count, Object value) throws FeatureIndexException;        

        /** Performs a search in the index and returns the list of up to n values which are nearest to the given value and within the distance specified by tolerance. */

        public List nearest(int count, Object value, Object tolerance) throws FeatureIndexException;        

        /** Returns true if the provider supports the match function */

        public boolean isMatchSupported();

        /** Returns true if the provider supports the range function */

        public boolean isRangeSupported();

        /** Returns true if the provider supports the nearest function */

        public boolean isNearestSupported();

        /** Returns true if the provider supports the nearest with tolerance function */

        public boolean isNearestToleranceSupported();

        public boolean allowNulls();

    /**

     * Removes all indexed data.

     * 

     * @throws DataException

     *             if there is an error clearing the index

     */

    public void clear() throws DataException;

}