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svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.spi / src / main / java / org / gvsig / fmap / dal / feature / spi / index / FeatureIndexProvider.java @ 40559

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/**
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 * gvSIG. Desktop Geographic Information System.
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 *
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 * Copyright (C) 2007-2013 gvSIG Association.
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 3
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 * of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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 * MA  02110-1301, USA.
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 *
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 * For any additional information, do not hesitate to contact us
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 * at info AT gvsig.com, or visit our website www.gvsig.com.
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 */
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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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* 
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* 
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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* GNU General Public License for more details.
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* 
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 
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* MA  02110-1301, USA.
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* 
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*/
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/*
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* AUTHORS (In addition to CIT):
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* 2008 {{Company}}   {{Task}}
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*/
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package org.gvsig.fmap.dal.feature.spi.index;
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import java.util.List;
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import org.gvsig.fmap.dal.exception.DataException;
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import org.gvsig.fmap.dal.exception.InitializeException;
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import org.gvsig.fmap.dal.feature.exception.FeatureIndexException;
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import org.gvsig.fmap.dal.feature.spi.FeatureReferenceProviderServices;
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public interface FeatureIndexProvider {
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        /** Sets the IndexProviderServices that will provide application services to this index provider */
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        public void setFeatureIndexProviderServices(FeatureIndexProviderServices services);
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        /** Initializes this provider */
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        public void initialize() throws InitializeException;
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        /** Inserts a value into the index */
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        public void insert(Object value, FeatureReferenceProviderServices fref);
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        /** Deletes a value from the index, given its reference */
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        public void delete(Object value, FeatureReferenceProviderServices fref);
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        /** Performs a search in the index and returns a list with all the values that match the given value 
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         * @throws FeatureIndexException TODO*/
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        public List match(Object value) throws FeatureIndexException;
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        /** Performs a search in the index and returns a list with the values that intersect with the given interval 
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         * @throws FeatureIndexException TODO*/
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        public List range(Object value1, Object value2) throws FeatureIndexException;
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        /** Performs a search in the index and returns the list of up to n values which are nearest to the given value. */
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        public List nearest(int count, Object value) throws FeatureIndexException;        
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        /** 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. */
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        public List nearest(int count, Object value, Object tolerance) throws FeatureIndexException;        
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        /** Returns true if the provider supports the match function */
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        public boolean isMatchSupported();
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        /** Returns true if the provider supports the range function */
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        public boolean isRangeSupported();
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        /** Returns true if the provider supports the nearest function */
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        public boolean isNearestSupported();
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        /** Returns true if the provider supports the nearest with tolerance function */
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        public boolean isNearestToleranceSupported();
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        public boolean allowNulls();
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    /**
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     * Removes all indexed data.
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     * 
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     * @throws DataException
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     *             if there is an error clearing the index
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     */
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    public void clear() throws DataException;
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}
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