public void clearCache() {
   if (entities != null) {
     for (Entity entity : entities) entity.clearCache();
   }
   try {
     processor.close();
   } catch (Exception e) {
     /*no op*/
   }
   processor = null;
   if (dataSrc != null) dataSrc.close();
   dataSrc = null;
 }
 public void clearCaches() {
   for (Entity entity : document.entities) entity.clearCache();
 }