EsperProcessor: clean up logging code

src/main/java/EsperProcessor.java

@@ -27,64 +27,40 @@ public class EsperProcessor implements TickProcessor {
 
 
     public EsperProcessor(String epl) {
+        Configuration config = new Configuration();
+
         // disable esper's internal clock.  we use tick data for our
         // sense of time.
-        Configuration config = new Configuration();
         config.getEngineDefaults().getThreading().setInternalTimerEnabled(false);
+
+        // register event types defined in java classes
         config.addEventType(TickEvent.class);
+        config.addEventType(TimeValueEvent.class);
         config.addEventType(LongEntryEvent.class);
-        //config.addVariable("FOO", int.class, 12);
         config.addEventType(OHLCEvent.class);
         config.addEventType(OHLCValueEvent.class);
 
+        // add OHLC plugin
         config.addPlugInView("ATS", "OHLC", OHLCPlugInViewFactory.class.getName());
 
         engine = EPServiceProviderManager.getDefaultProvider(config);
 
+        //engine.getEPRuntime().setVariableValue("FOO", 12d);
+
         addStatements(epl);
 
-        addStatement("select * from TickEvent",
+        // addLogStatement("TickEvent");
-                     (newData, oldData) -> {
+        // addLogStatement("OneMinuteOHLCStream");
-                         log.debug("Tick: {}", newData[0].getUnderlying());
+        // addLogStatement("BStream");
-                     });
+        // addLogStatement("PStream");
+        // addLogStatement("B1");
+        // addLogStatement("B2");
+        // addLogStatement("P1");
+        // addLogStatement("P2");
+        // addLogStatement("LongEntryStream");
+        // addLogStatement("LogStream");
 
-        addStatement("select * from OHLCStream",
+        addLogStreamHandler();
-                     (newData, oldData) -> {
-                         log.debug("OLHC: {}", newData[0].getUnderlying());
-                     //      DateTime t = (DateTime)newData[0].get("date");
-                     //      double f = (double)newData[0].get("first");
-                     //      double l = (double)newData[0].get("last");
-                     //      double x = (double)newData[0].get("max");
-                     //      double n = (double)newData[0].get("min");
-                     //      log.info("OHLC: {} {} {} {}", f,l,x,n);
-                     });
-
-        // addStatement("select * from TickEvent#groupwin(instrument)#ohlcbarminute(timestamp, midDouble)",
-        //              new OHLCUpdateListener());
-
-        // addStatement("select count(*) from TickEvent#time(4)",//"select * from TicksTimeWindow",
-        //              (newData, oldData) -> {
-        //                  log.debug("TickTimeWindow: {}", (Object)newData);
-        //              });
-
-        // EPStatement statement = engine.getEPAdministrator().createEPL("select * from TickEvent");
-
-        // statement.addListener((newData, oldData) -> {
-        //     log.debug("event: {}", (Object)newData);
-        // });
-
-
-        // EPStatement statement = engine.getEPAdministrator().createEPL("select * from TickEvent");
-
-        // statement.addListener((newData, oldData) -> {
-        //     log.debug("event: {}", (Object)newData);
-        // });
-
-        // addStatement("select count(*) as count from TickEvent#time(4 sec)",
-        //              (newData, oldData) -> {
-        //                  long count = (long)newData[0].get("count");
-        //                  log.info("Tick Count: {}", count);
-        //              });
     }
 
     /**
@@ -160,6 +136,28 @@ public class EsperProcessor implements TickProcessor {
         return statement;
     }
 
+    /**
+     * Add a simple EPL statement to the Esper engine that logs any
+     * event that matches the event name.
+     */
+    private EPStatement addLogStreamHandler() {
+        return addStatement("select * from LogStream",
+                            (newData, oldData) -> {
+                                log.debug("{}: {}", newData[0].get("stream"), newData[0].get("event"));
+                            });
+    }
+
+    /**
+     * Add a simple EPL statement to the Esper engine that logs any
+     * event that matches the event name.
+     */
+    private EPStatement addLogStatement(String name) {
+        return addStatement("select * from " + name,
+                            (newData, oldData) -> {
+                                log.debug("{}: {}", name, newData[0].getUnderlying());
+                            });
+    }
+
     /**
      * Add a single EPL statement to the Esper engine with a listener
      * to respond to the Statement.