*/
protected void fireStructureChangedEvent( PhotoFolderEvent e ) {
log.debug( "in fireStructureChangeEvent" );
Iterator iter = changeListeners.iterator();
while ( iter.hasNext() ) {
PhotoCollectionChangeListener l = (PhotoCollectionChangeListener) iter.next();
if ( PhotoFolderChangeListener.class.isInstance( l ) ) {
log.debug( "Found PhotoFolderListener" );
PhotoFolderChangeListener pfl = (PhotoFolderChangeListener) l;
pfl.structureChanged( e );
}