/*
* Geotoolkit.org - An Open Source Java GIS Toolkit
* http://www.geotoolkit.org
*
* (C) 2005-2012, Open Source Geospatial Foundation (OSGeo)
* (C) 2007-2012, Geomatys
*
* 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.geotoolkit.internal.sql.table;
/**
* The policy to apply during a table update if a record already exists for the same
* primary key.
*
* @author Martin Desruisseaux (IRD, Geomatys)
* @version 3.09
*
* @since 3.09 (derived from Seagis)
* @module
*/
public enum UpdatePolicy {
/**
* The new record is discarded and the existing one is keep unchanged.
*/
KEEP_EXISTING,
/**
* The old record is deleted and the new record is inserted as a replacement.
*/
REPLACE_EXISTING,
/**
* Remove all previous records before to insert new ones.
*/
CLEAR_ALL_BEFORE_UPDATE
}