@abc.abstractmethod<EOL><INDENT>def get_rule_query(self, match):<DEDENT>
return<EOL>
Gets the query for the rule.

        Each retrieval performs a boolean ``OR``.

        :param match: ``true`` if for a positive match, ``false`` for a negative match
        :type match: ``boolean``
        :return: the rule query
        :rtype: ``osid.rules.RuleQuery``
        :raise: ``Unimplemented`` -- ``supports_rule_query()`` is ``false``

        *compliance: optional -- This method must be implemented if
        ``supports_rule_query()`` is ``true``.*