/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2002-2008, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library 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
* Lesser General Public License for more details.
*/
package org.geotools.data.postgis.fidmapper;
import java.io.IOException;
import org.geotools.data.jdbc.fidmapper.FIDMapper;
/**
* Fid mappers used in versioned data store. <br>
* They do present the usual face to the internal, wrapped data store, but know how to remove
* revisions from the fid and how to handle cases where the key does not need to be generated
* because the feature is not really new, just a new version of the old one.
*
* @author aaime
* @since 2.4
*
*
*
* @source $URL$
*/
public interface VersionedFIDMapper extends FIDMapper {
/**
* Given the FID exposed by the internal data store, build a representation that does not have
* the
*
* @param versionedFID
* @return
*/
public String getUnversionedFid(String versionedFID);
/**
* Given the external FID, returns the primary key column values (besides revision, of course)
*
* @param FID
* @return
* @throws IOException
*/
public Object[] getUnversionedPKAttributes(String FID) throws IOException;
public String createVersionedFid(String extenalFID, long revision);
}