FUNCTION acyclic_versioned_action_request_relationship
(relation : versioned_action_request_relationship, relatives : SET [0:?] OF versioned_action_request, specific_relation : STRING) : BOOLEAN;
LOCAL x : SET OF versioned_action_request_relationship; END_LOCAL;
IF relation.relating_versioned_action_request IN relatives THEN RETURN (FALSE); END_IF; x := QUERY(varr <* bag_to_set(USEDIN(relation.relating_versioned_action_request, 'ACTION_SCHEMA.' + 'VERSIONED_ACTION_REQUEST_RELATIONSHIP.' + 'RELATED_VERSIONED_ACTION_REQUEST')) | specific_relation IN TYPEOF(varr)); REPEAT i := 1 TO HIINDEX(x); IF NOT acyclic_versioned_action_request_relationship(x[i], relatives + relation.relating_versioned_action_request, specific_relation) THEN RETURN (FALSE); END_IF; END_REPEAT; RETURN (TRUE); END_FUNCTION; -- acyclic_versioned_action_request_relationship
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