# noinspection PyAttributeOutsideInit
class BoundEntityMixin:

    @property
    def bound_entity(self):
        return self._bound_entity

    @property
    def name(self):
        if self.bound_entity:
            return f'{self.__class__.__name__}({self.bound_entity.name})'
        else:
            pass

    def belongs_to_entity(self, entity):
        return entity == self.bound_entity

    def bind_to(self, entity):
        self._bound_entity = entity

    def unbind(self):
        self._bound_entity = None