Add long exit (LX) code

src/main/java/EsperProcessor.java

@@ -61,6 +61,20 @@ public class EsperProcessor implements TickProcessor {
                                    newData[0].get("current"),
                                    newData[0].get("time"));
                      });
+
+        // respond to long exit events
+        addStatement("select * from LongExitStream",
+                     (newData, oldData) -> {
+                         String instrument = (String)newData[0].get("instrument");
+                         Integer units = (Integer)newData[0].get("units");
+                         trader.placeOrder(new MarketOrderRequest(instrument, units));
+
+                         log.debug("Long exit triggered: {} of {} at price {} at time {}",
+                                   units,
+                                   instrument,
+                                   newData[0].get("current"),
+                                   newData[0].get("time"));
+                     });
     }
 
     /**