diff --git a/core/api/src/main/java/org/onosproject/store/service/DistributedPrimitive.java b/core/api/src/main/java/org/onosproject/store/service/DistributedPrimitive.java
index 21c494b..9142bf5 100644
--- a/core/api/src/main/java/org/onosproject/store/service/DistributedPrimitive.java
+++ b/core/api/src/main/java/org/onosproject/store/service/DistributedPrimitive.java
@@ -62,6 +62,11 @@
         COUNTER,
 
         /**
+         * Numeric ID generator.
+         */
+        ID_GENERATOR,
+
+        /**
          * Atomic counter map.
          */
         COUNTER_MAP,