/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2005-2008, 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.filter.visitor;
import org.opengis.filter.Filter;
/**
* Provides access to certain transaction state for the {@link PostPreProcessFilterSplittingVisitor}
* and {@link CapabilitiesFilterSplitter}. This is only required if the transaction is kept on the
* client and the server is unaware of it. For example PostGIS would not need to create one.
*
* @author Jesse
*
*
* @source $URL$
*/
public interface ClientTransactionAccessor {
/**
* Returns all the filters indicating deleted feature ANDed together. This is used to tell the server what features
* to NOT return.
*
* @return all the filters indicating deleted feature ANDed together.
*/
Filter getDeleteFilter();
/**
* Returns all the filters of updates that affect the attribute in the expression ORed together.
*
* @param attributePath the xpath identifier of the attribute.
* @return all the filters of updates that affect the attribute in the expression ORed together.
*/
Filter getUpdateFilter(String attributePath);
}