public bool MergeRelationship( string uuidFrom, string uuidTo, RelationshipAttribute relationshipAttribute) { if (string.IsNullOrWhiteSpace(uuidFrom)) { throw new ArgumentNullException("uuidFrom"); } if (string.IsNullOrWhiteSpace(uuidTo)) { throw new ArgumentNullException("uuidTo"); } if (relationshipAttribute == null) { throw new ArgumentNullException("relationshipAttribute"); } var query = new StringFormatter(QueryTemplates.TEMPLATE_MERGE_RELATIONSHIP); query.Add("@uuidFrom", uuidFrom); query.Add("@uuidTo", uuidTo); query.Add("@fromPartDirection", relationshipAttribute.Direction == DIRECTION.INCOMING ? "<-" : "-"); query.Add("@toPartDirection", relationshipAttribute.Direction == DIRECTION.INCOMING ? "-" : "->"); query.Add("@relationshipName", relationshipAttribute.Name); IStatementResult result = ExecuteQuery(query.ToString()); return(result.Any()); }