code: def get_composition_search_session_for_repository(self, repository_id):
          
          if not self.supports_composition_search():
              raise errors.Unimplemented()
          ##
          # Also include check to see if the catalog Id is found otherwise raise errors.NotFound
          ##
          # pylint: disable=no-member
          return sessions.CompositionSearchSession(repository_id, runtime=self._runtime)
docs: Gets a composition search session for the given repository.
  
          arg:    repository_id (osid.id.Id): the ``Id`` of the repository
          return: (osid.repository.CompositionSearchSession) - a
                  ``CompositionSearchSession``
          raise:  NotFound - ``repository_id`` not found
          raise:  NullArgument - ``repository_id`` is ``null``
          raise:  OperationFailed - ``unable to complete request``
          raise:  Unimplemented - ``supports_composition_search()`` or
                  ``supports_visible_federation()`` is ``false``
          *compliance: optional -- This method must be implemented if
          ``supports_composition_search()`` and
          ``supports_visible_federation()`` are ``true``.*