code: private void addToWrapper(EntityMetadata entityMetadata, AttributeWrapper wrapper, Object resultedObject,
              Attribute attrib)
      {
          addToWrapper(entityMetadata, wrapper, resultedObject, attrib, null);
      }
docs: Adds field to wrapper.
  
  @param entityMetadata
  the entity metadata
  @param wrapper
  the wrapper
  @param resultedObject
  the resulted object
  @param attrib
  the attrib