From b0c580b44f0a0a2e1df1ff908f300ccd055a413a Mon Sep 17 00:00:00 2001
From: hneemann <helmut.neemann@arcor.de>
Date: Wed, 22 Jul 2020 09:48:52 +0200
Subject: [PATCH] minor refactorings

---
 .../neemann/digital/core/ModelStateObserver.java  |  2 +-
 .../neemann/digital/draw/model/RealTimeClock.java | 15 ++++++---------
 2 files changed, 7 insertions(+), 10 deletions(-)

diff --git a/src/main/java/de/neemann/digital/core/ModelStateObserver.java b/src/main/java/de/neemann/digital/core/ModelStateObserver.java
index 8994addaf..b22e4a393 100644
--- a/src/main/java/de/neemann/digital/core/ModelStateObserver.java
+++ b/src/main/java/de/neemann/digital/core/ModelStateObserver.java
@@ -11,7 +11,7 @@ package de.neemann.digital.core;
 public interface ModelStateObserver {
 
     /**
-     * called if a event was detected.
+     * called to propagate an event
      *
      * @param event the event
      */
diff --git a/src/main/java/de/neemann/digital/draw/model/RealTimeClock.java b/src/main/java/de/neemann/digital/draw/model/RealTimeClock.java
index c0013c11e..53e840ea1 100644
--- a/src/main/java/de/neemann/digital/draw/model/RealTimeClock.java
+++ b/src/main/java/de/neemann/digital/draw/model/RealTimeClock.java
@@ -95,14 +95,11 @@ public class RealTimeClock implements ModelStateObserverTyped {
                 frequencyCalculator = new FrequencyCalculator(status, frequency);
             else
                 frequencyCalculator = null;
-            timer = executor.scheduleAtFixedRate(new Runnable() {
-                @Override
-                public void run() {
-                    model.modify(() -> output.setValue(1 - output.getValue()));
-                    model.doStep();
-                    if (frequencyCalculator != null)
-                        frequencyCalculator.calc();
-                }
+            timer = executor.scheduleAtFixedRate(() -> {
+                model.modify(() -> output.setValue(1 - output.getValue()));
+                model.doStep();
+                if (frequencyCalculator != null)
+                    frequencyCalculator.calc();
             }, delay, delay, TimeUnit.MICROSECONDS);
         }
 
@@ -142,7 +139,7 @@ public class RealTimeClock implements ModelStateObserverTyped {
 
     private static final class FrequencyCalculator {
         private final StatusInterface status;
-        private long minCounter;
+        private final long minCounter;
         private long checkCounter;
         private int counter;
         private long time;