@Override
 protected void setValue(OClass entity, String critery, V value) {
   ODatabaseDocument db = OrientDbWebSession.get().getDatabase();
   db.commit();
   try {
     CustomAttributes custom;
     if (OClassPrototyper.CLUSTER_SELECTION.equals(critery)) {
       if (value != null) entity.setClusterSelection(value.toString());
     } else if ((CustomAttributes.ON_CREATE_FIELDS.getName().equals(critery))
         && (custom = CustomAttributes.fromString(critery)) != null) {
       custom.setValue(entity, value != null ? Joiner.on(",").join((List<String>) value) : null);
     } else if ((custom = CustomAttributes.fromString(critery)) != null) {
       custom.setValue(entity, value);
     } else if (OClassPrototyper.SUPER_CLASSES.equals(critery)) {
       if (value != null) entity.setSuperClasses((List<OClass>) value);
     } else {
       PropertyResolver.setValue(
           critery,
           entity,
           value,
           new PropertyResolverConverter(
               Application.get().getConverterLocator(), Session.get().getLocale()));
     }
   } finally {
     db.begin();
   }
 }