BUG-8402: fix sequencing with read/exists requests

[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / Shard.java

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/Shard.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/Shard.java
index 2b4ff4845c360d66c4a4f86478cd03564484a086..fbd5b6456a79ae7c94a140008fda80db952d1dbc 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/Shard.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/Shard.java
@@ -125,6 +125,13 @@ public class Shard extends RaftActor {
         }
     };
 
+    static final Object RESUME_NEXT_PENDING_TRANSACTION = new Object() {
+        @Override
+        public String toString() {
+            return "resumeNextPendingTransaction";
+        }
+    };
+
     // FIXME: shard names should be encapsulated in their own class and this should be exposed as a constant.
     public static final String DEFAULT_NAME = "default";
 
@@ -275,6 +282,8 @@ public class Shard extends RaftActor {
                     maybeError.get());
             }
 
+            store.resetTransactionBatch();
+
             if (message instanceof RequestEnvelope) {
                 final long now = ticker().read();
                 final RequestEnvelope envelope = (RequestEnvelope)message;
@@ -345,6 +354,8 @@ public class Shard extends RaftActor {
                 persistPayload(txId, AbortTransactionPayload.create(txId), true);
             } else if (message instanceof MakeLeaderLocal) {
                 onMakeLeaderLocal();
+            } else if (RESUME_NEXT_PENDING_TRANSACTION.equals(message)) {
+                store.resumeNextPendingTransaction();
             } else {
                 super.handleNonRaftCommand(message);
             }
@@ -994,4 +1005,8 @@ public class Shard extends RaftActor {
     Ticker ticker() {
         return Ticker.systemTicker();
     }
+
+    void scheduleNextPendingTransaction() {
+        self().tell(RESUME_NEXT_PENDING_TRANSACTION, ActorRef.noSender());
+    }
 }