filter.addEqualTo("parent", new Integer(folderImpl.getIdentity()));
QueryByCriteria query = QueryFactory.newQuery(PageTemplateImpl.class, filter);
Collection pageTemplates = getPersistenceBrokerTemplate().getCollectionByQuery(query);
// cache page templates in folder
folderImpl.accessPageTemplates().clear();
if (pageTemplates != null)
{
folderImpl.accessPageTemplates().addAll(pageTemplates);
}
folderImpl.resetPageTemplates(true);