OHLCPlugInView: update comments

src/main/java/ats/plugin/OHLCPlugInView.java

@@ -66,7 +66,7 @@ public class OHLCPlugInView extends ViewSupport {
         scheduleSlot = context.getStatementContext().getScheduleBucket().allocateSlot();
 
         interval = parseInterval(intervalExpression);
-        log.info("Interval is {}", interval);
+        // log.info("Interval is {}", interval);
 
         this.timestampExpression = timestampExpression;
         this.valueExpression = valueExpression;
@@ -149,15 +149,14 @@ public class OHLCPlugInView extends ViewSupport {
                                                Duration interval)
     {
         DateTime today = timestamp.withTimeAtStartOfDay();
-		// log.info("Timestamp is {}", timestamp);
-		// log.info("Day start is {}", today);
+        // log.info("Timestamp is {}", timestamp);
+        // log.info("Day start is {}", today);
 
         Duration intoToday = new Duration(today, timestamp);
 
-        // then modulo timestamp to find how far into the current window we'd be in
+        // calc how far into the current window we are
         long intoPeriod = intoToday.getMillis() % interval.getMillis();
 
-        // then subtract modulo from current time to get window start
         return timestamp.minus(intoPeriod);
     }
 
@@ -206,6 +205,7 @@ public class OHLCPlugInView extends ViewSupport {
         SchedulingService sched = agentContext.getStatementContext().getSchedulingService();
         if (handle != null) {
             // remove old schedule
+            // log.info("Removing old callback");
             sched.remove(handle, scheduleSlot);
             handle = null;
         }
@@ -217,19 +217,32 @@ public class OHLCPlugInView extends ViewSupport {
         ScheduleHandleCallback callback = new ScheduleHandleCallback() {
             public void scheduledTrigger(EngineLevelExtensionServicesContext esc) {
                 handle = null;  // clear out schedule handle
+                // log.info("Callback running");
                 OHLCPlugInView.this.postData();
             }
         };
 
         handle = new EPStatementHandleCallback(agentContext.getEpStatementAgentInstanceHandle(), callback);
         sched.add(callbackTime, handle, scheduleSlot);
+        // log.info("Scheduled callback for {}", callbackTime);
     }
 
+    DateTime lastStartTime;
+
     /**
      * Update listeners with our new value.
      */
     private void postData() {
-		if (open == null) return;
+        if (open == null) {
+            // log.info("No data to post");
+            return;
+        }
+
+        if (lastStartTime != null && lastStartTime.compareTo(windowStartTime) == 0) {
+            log.warn("DUP START TIME");
+        }
+
+        // log.info("posting {} with {} events in {}", windowStartTime, eventCount, Thread.currentThread());
 
         OHLCEvent value = new OHLCEvent(windowStartTime, open, high, low, close);
 
@@ -244,6 +257,8 @@ public class OHLCPlugInView extends ViewSupport {
         close = null;
         high = null;
         low = null;
+
+        lastStartTime = windowStartTime;
     }
 
     //