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/* 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):

* 2009 IVER T.I   {{Task}}

*/

/**

 *

 */

package org.gvsig.fmap.dal.store.postgesql;

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

import org.gvsig.fmap.dal.feature.FeatureQuery;

import org.gvsig.fmap.dal.feature.FeatureType;

import org.gvsig.fmap.dal.store.jdbc.JDBCIterator;

import org.gvsig.fmap.dal.store.jdbc.JDBCSetProvider;

import org.gvsig.fmap.dal.store.jdbc.JDBCStoreProvider;

/**

 * @author jmvivo

 *

 */

public class PostgreSQLSetProvider extends JDBCSetProvider {

        public PostgreSQLSetProvider(JDBCStoreProvider store, FeatureQuery query,

                        FeatureType featureType) throws DataException {

                super(store, query, featureType);

                // TODO Auto-generated constructor stub

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.dal.store.jdbc.JDBCSetProvider#canIterateFromIndex()

         */

        public boolean canIterateFromIndex() {

                return true;

        }

        private String getSQL(long fromIndex) {

                return ((PostgreSQLStoreProvider) store).compoundSelect(featureType,

                                filter, order, 0, fromIndex);

        }

        protected JDBCIterator createFastIterartor(long index) throws DataException {

                int rsID = store.createResultSet(getSQL(index));

                return createDefaultFastIterartor(rsID);

        }

        protected JDBCIterator createIterator(long index) throws DataException {

                int rsID = store.createResultSet(getSQL(index));

                return createDefaultIterartor(rsID);

        }

}