ONOS-2097: Ensure updates made via transactional map result in state change notifications

Change-Id: Iecc1b54d2c4c976278e77dbd825d3e3954c53602
diff --git a/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/DatabaseState.java b/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/DatabaseState.java
index e2e532a..8b6db1e 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/DatabaseState.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/DatabaseState.java
@@ -102,13 +102,13 @@
   Long counterGet(String counterName);
 
   @Command
-  boolean prepareAndCommit(Transaction transaction);
+  CommitResponse prepareAndCommit(Transaction transaction);
 
   @Command
   boolean prepare(Transaction transaction);
 
   @Command
-  boolean commit(Transaction transaction);
+  CommitResponse commit(Transaction transaction);
 
   @Command
   boolean rollback(Transaction transaction);