hook VizDataStream to the viz log file

epl/trading_system_1.epl

@@ -400,6 +400,61 @@ insert into LogStream select 'LongEntryDistinct' as stream, EPLHelpers.str(*) as
 -- insert into LogStream select 'LXPrice' as stream, EPLHelpers.str(mid, LongEntryPrice, LongEntryPrice - (10 * PipSize)) as event from TickEvent
 -- where InLongEntry and mid < LongEntryPrice
 
-insert into LogStream select 'LongExitStream' as stream, EPLHelpers.str(*) as event from LongExitStream
+-- insert into LogStream select 'LongExitStream' as stream, EPLHelpers.str(*) as event from LongExitStream
+
+-- insert into LogStream select 'LongExitStream' as stream, EPLHelpers.str(*) as event from LongExitStream
+
+-- on LongEntryDistinct
+-- insert into LogStream select 'OrderTable' as stream,
+--   EPLHelpers.str(OrderTable.time,
+--                  OrderTable.instrument,
+--                  OrderTable.id,
+--                  OrderTable.units,
+--                  OrderTable.open,
+--                  OrderTable.stopBarCount,
+--                  OrderTable.price) as event
+--   from OrderTable order by OrderTable.time
+
+-- @Priority(-9999)
+-- @Name("LogOrderTableClose")
+-- on LongExitStream
+-- insert into LogStream select 'OrderTable_CLOSE' as stream,
+--   EPLHelpers.str(OrderTable.time,
+--                  OrderTable.instrument,
+--                  OrderTable.id,
+--                  OrderTable.units,
+--                  OrderTable.open,
+--                  OrderTable.stopBarCount,
+--                  OrderTable.price) as event
+--   from OrderTable order by OrderTable.time
+
+-- on LongExitStream
+-- insert into LogStream select 'OrderTable' as stream, EPLHelpers.str(count(*)) as event from OrderTable
+
+-- insert into LogStream select 'OpenOrderStream' as stream, EPLHelpers.str(*) as event from OpenOrderStream
+
+-- insert into LogStream select 'CloseOrderStream' as stream, EPLHelpers.str(*) as event from CloseOrderStream
 
 -- TODO (for Seth): look into LogSink http://esper.espertech.com/release-7.1.0/esper-reference/html/dataflow.html#dataflow-reference-logsink
+
+
+--
+-- Visualization data logging
+--
+
+create schema VizDataStream as (event Map)
+
+-- Enable visualizing the events on specific streams by uncommenting
+-- individual lines below.
+
+insert into VizDataStream select ats.viz.VizLog.eventString('tick', 'C', *) as event from TickEvent
+
+insert into VizDataStream select ats.viz.VizLog.eventString('bar', 'ohlc', *) as event from OHLCStream
+
+-- insert into VizDataStream select 'le' as tag, VizLog.eventString(*) as event from LongEntryDistinct
+
+-- insert into VizDataStream select 'lx' as tag, VizLog.eventString(*) as event from LongExitStream
+
+insert into VizDataStream select ats.viz.VizLog.eventString('event', 'open', *) as event from OpenOrderStream
+
+insert into VizDataStream select ats.viz.VizLog.eventString('event', 'close', *) as event from CloseOrderStream

src/main/java/EsperProcessor.java

@@ -1,9 +1,11 @@
+import java.math.BigDecimal;
 import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Map;
 import java.util.stream.Collectors;
 
 import com.espertech.esper.client.Configuration;
 import com.espertech.esper.client.EPOnDemandPreparedQueryParameterized;
-import com.espertech.esper.client.EPOnDemandQueryResult;
 import com.espertech.esper.client.EPServiceProvider;
 import com.espertech.esper.client.EPServiceProviderManager;
 import com.espertech.esper.client.EPStatement;
@@ -18,11 +20,11 @@ import org.slf4j.LoggerFactory;
 
 import ats.plugin.OHLCEvent;
 import ats.plugin.OHLCPlugInViewFactory;
+import ats.viz.VizLog;
 
 
 public class EsperProcessor implements TickProcessor {
     static final Logger log = LoggerFactory.getLogger(EsperProcessor.class);
-    static final Logger viz = LoggerFactory.getLogger(Viz.LOG_NAME);
     EPServiceProvider engine;
     TradingManager trader;
 
@@ -48,6 +50,12 @@ public class EsperProcessor implements TickProcessor {
 
         addStatements(epl);
 
+        // prevents errors on updating stopBarCount
+        Map<String,Object> values = new HashMap<String,Object>();
+        values.put("id", "dummy");
+        values.put("units", new BigDecimal(0));
+        sendEvent("OpenOrderStream", values);
+
         // addLogStatement("TickEvent");
 
         addVizDataStreamHandler();
@@ -169,9 +177,7 @@ public class EsperProcessor implements TickProcessor {
      */
     private EPStatement addVizDataStreamHandler() {
         return addStatement("select * from VizDataStream",
-                            (newData, oldData) -> {
-                                viz.info(newData[0].get("event").toString());
-                            });
+                            (newData, oldData) -> { VizLog.log(newData); });
     }
 
     /**
@@ -181,7 +187,9 @@ public class EsperProcessor implements TickProcessor {
     private EPStatement addLogStreamHandler() {
         return addStatement("select * from LogStream",
                             (newData, oldData) -> {
-                                log.debug("{}: {}", newData[0].get("stream"), newData[0].get("event"));
+                                log.debug("{}: {}",
+                                          newData[0].get("stream"),
+                                          newData[0].get("event"));
                             });
     }
 
@@ -216,33 +224,28 @@ public class EsperProcessor implements TickProcessor {
      * Add a single fire and forget EPL statement to the Esper engine.
      */
     public void executeQuery(String query) {
-        // EPStatement statement = engine.getEPAdministrator().create(query);
-        // log.debug("Adding query: {}", statement.getText());
-
-        EPOnDemandQueryResult result = engine.getEPRuntime().executeQuery(query);
-        log.info(result.toString());
+        engine.getEPRuntime().executeQuery(query);
     }
 
     /**
      * Add a single fire and forget EPL statement to the Esper engine.
      */
     public void executeQuery(EPStatementObjectModel query) {
-        // EPStatement statement = engine.getEPAdministrator().create(query);
-        // log.debug("Adding query: {}", statement.getText());
-
-        EPOnDemandQueryResult result = engine.getEPRuntime().executeQuery(query);
-        log.info(result.toString());
+        engine.getEPRuntime().executeQuery(query);
     }
 
     /**
      * Add a single fire and forget EPL statement to the Esper engine.
      */
     public void executeQuery(EPOnDemandPreparedQueryParameterized query) {
-        // EPStatement statement = engine.getEPAdministrator().create(query);
-        // log.debug("Adding query: {}", statement.getText());
+        engine.getEPRuntime().executeQuery(query);
+    }
 
-        EPOnDemandQueryResult result = engine.getEPRuntime().executeQuery(query);
-        log.info(result.toString());
+    /**
+     * Send an event to the Esper runtime.
+     */
+    public void sendEvent(String name, Map values) {
+        engine.getEPRuntime().sendEvent(values, name);
     }
 
     /**