Refactor AtomixConsistentMap to use separate operations per method call for better performance and control over operation semantics.

Change-Id: I948c5c73d4ab38c9c2b20f8c80ba01548f95dda6
diff --git a/core/api/src/test/java/org/onosproject/store/service/MapEventTest.java b/core/api/src/test/java/org/onosproject/store/service/MapEventTest.java
index 698498e..10311a9 100644
--- a/core/api/src/test/java/org/onosproject/store/service/MapEventTest.java
+++ b/core/api/src/test/java/org/onosproject/store/service/MapEventTest.java
@@ -30,11 +30,14 @@
     private final Versioned<Integer> vStatsNew = new Versioned<>(2, 2);
     private final Versioned<Integer> vStatsOld = new Versioned<>(1, 1);
 
-    private final MapEvent<String, Integer> stats1 = new MapEvent<>("a", "1", vStatsNew, null);
+    private final MapEvent<String, Integer> stats1 =
+            new MapEvent<>(MapEvent.Type.INSERT, "a", "1", vStatsNew, null);
 
-    private final MapEvent<String, Integer> stats2 = new MapEvent<>("a", "1", null, vStatsOld);
+    private final MapEvent<String, Integer> stats2 =
+            new MapEvent<>(MapEvent.Type.REMOVE, "a", "1", null, vStatsOld);
 
-    private final MapEvent<String, Integer> stats3 = new MapEvent<>("a", "1", vStatsNew, vStatsOld);
+    private final MapEvent<String, Integer> stats3 =
+            new MapEvent<>(MapEvent.Type.UPDATE, "a", "1", vStatsNew, vStatsOld);
 
     /**
      * Tests the creation of the MapEvent object.