Merge "BUG 2854 : Do not add empty read write transactions to the replicable journal"
[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / Shard.java
index 52b4652de6e7d464d9d54c67ebea37ca233de862..ff0f4592cba972261660c5ea1db2c3e415a02608 100644 (file)
@@ -67,6 +67,7 @@ import org.opendaylight.controller.cluster.notifications.RegisterRoleChangeListe
 import org.opendaylight.controller.cluster.notifications.RoleChangeNotifier;
 import org.opendaylight.controller.cluster.raft.RaftActor;
 import org.opendaylight.controller.cluster.raft.ReplicatedLogEntry;
+import org.opendaylight.controller.cluster.raft.base.messages.FollowerInitialSyncUpStatus;
 import org.opendaylight.controller.cluster.raft.messages.AppendEntriesReply;
 import org.opendaylight.controller.cluster.raft.protobuff.client.messages.CompositeModificationByteStringPayload;
 import org.opendaylight.controller.cluster.raft.protobuff.client.messages.CompositeModificationPayload;
@@ -295,6 +296,9 @@ public class Shard extends RaftActor {
                 onDatastoreContext((DatastoreContext)message);
             } else if(message instanceof RegisterRoleChangeListener){
                 roleChangeNotifier.get().forward(message, context());
+            } else if (message instanceof FollowerInitialSyncUpStatus){
+                shardMBean.setFollowerInitialSyncStatus(((FollowerInitialSyncUpStatus) message).isInitialSyncDone());
+                context().parent().tell(message, self());
             } else {
                 super.onReceiveCommand(message);
             }
@@ -370,9 +374,10 @@ public class Shard extends RaftActor {
             // currently uses a same thread executor anyway.
             cohortEntry.getCohort().preCommit().get();
 
-            // If we do not have any followers and we are not using persistence we can
-            // apply modification to the state immediately
-            if(!hasFollowers() && !persistence().isRecoveryApplicable()){
+            // If we do not have any followers and we are not using persistence
+            // or if cohortEntry has no modifications
+            // we can apply modification to the state immediately
+            if((!hasFollowers() && !persistence().isRecoveryApplicable()) || (!cohortEntry.hasModifications())){
                 applyModificationToState(getSender(), transactionID, cohortEntry.getModification());
             } else {
                 Shard.this.persistData(getSender(), transactionID,
@@ -977,7 +982,7 @@ public class Shard extends RaftActor {
     }
 
     @VisibleForTesting
-    InMemoryDOMDataStore getDataStore() {
+    public InMemoryDOMDataStore getDataStore() {
         return store;
     }