def owner_type(self, value):
        """Set ``owner_type`` to the given value.

        In addition:

        * Update the internal type of the ``owner`` field.
        * Update the value of the ``owner`` field if a value is already set.
        """
        self._owner_type = value
        if value == 'User':
            self._fields['owner'] = entity_fields.OneToOneField(User)
            if hasattr(self, 'owner'):
                # pylint:disable=no-member
                self.owner = User(
                    self._server_config,
                    id=self.owner.id if isinstance(self.owner, Entity)
                    else self.owner
                )
        elif value == 'Usergroup':
            self._fields['owner'] = entity_fields.OneToOneField(UserGroup)
            if hasattr(self, 'owner'):
                # pylint:disable=no-member
                self.owner = UserGroup(
                    self._server_config,
                    id=self.owner.id if isinstance(self.owner, Entity)
                    else self.owner
                )
def owner_type ( self , value ) : self . _owner_type = value if value == 'User' : self . _fields [ 'owner' ] = entity_fields . OneToOneField ( User ) if hasattr ( self , 'owner' ) : self . owner = User ( self . _server_config , id = self . owner . id if isinstance ( self . owner , Entity ) else self . owner ) elif value == 'Usergroup' : self . _fields [ 'owner' ] = entity_fields . OneToOneField ( UserGroup ) if hasattr ( self , 'owner' ) : self . owner = UserGroup ( self . _server_config , id = self . owner . id if isinstance ( self . owner , Entity ) else self . owner )
Set ``owner_type`` to the given value.

        In addition:

        * Update the internal type of the ``owner`` field.
        * Update the value of the ``owner`` field if a value is already set.