/* Copyright (c) 2001 - 2007 TOPP - www.openplans.org. All rights reserved.
* This code is licensed under the GPL 2.0 license, availible at the root
* application directory.
*/
package org.geoserver.wfs;
/**
* Implemented by classes needing to listen to datastore change events during a
* WFS Transaction
*/
public interface TransactionListener {
/**
* Check/alter feature collections and filters before a change hits the
* datastores
* <p>
* <b>Note</b> that caution should be exercised when relying on feature identifiers from a
* {@link TransactionEventType#POST_INSERT} event. Depending on the type of store those identifiers
* may be reliable. Essentially they can only be relied upon in the case of a spatial dbms (such
* as PostGIS) is being used.
* </p>
*/
void dataStoreChange(TransactionEvent event) throws WFSException;
}