declare ReqMktData @role( event ) end declare TickPrice @role( event ) @expires( 2m ) end declare TickSize @role( event ) @expires( 2m ) end rule "Bids" when $req: ReqMktData($tickerId : tickerId) from entry-point "IB Events" $bidprice: TickPrice(field == 1, tickerId == $tickerId, this after $req) from entry-point "IB Events" $bidsize: TickSize(field == 0, tickerId == $tickerId, this after $req) from entry-point "IB Events" then Bid bid = new Bid($tickerId, $req.contract, size, price); insert(bid); end public class ReqMktData { public int tickerId; public Contract contract; public String genericTickList; public boolean snapshot; }