def match_source_id(self, source_id=None, match=None):
pass<EOL>
Sets the source ``Id`` for this query.

        arg:    source_id (osid.id.Id): the source ``Id``
        arg:    match (boolean): ``true`` for a positive match,
                ``false`` for a negative match
        raise:  NullArgument - ``source_id`` is ``null``
        *compliance: mandatory -- This method must be implemented.*