BUG-8618: add pause/unpause mechanics for tell-based protocol

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

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/FrontendTransaction.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/FrontendTransaction.java
index c0249fd00089d1bd48abe9793ddb8564fb937a94..fb56bf413a9b528cc706388279adc8761a21fee3 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/FrontendTransaction.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/FrontendTransaction.java
@@ -15,6 +15,8 @@ import java.util.Iterator;
 import java.util.Queue;
 import javax.annotation.Nullable;
 import javax.annotation.concurrent.NotThreadSafe;
+import org.opendaylight.controller.cluster.access.commands.IncrementTransactionSequenceRequest;
+import org.opendaylight.controller.cluster.access.commands.IncrementTransactionSequenceSuccess;
 import org.opendaylight.controller.cluster.access.commands.OutOfOrderRequestException;
 import org.opendaylight.controller.cluster.access.commands.TransactionRequest;
 import org.opendaylight.controller.cluster.access.commands.TransactionSuccess;
@@ -122,6 +124,14 @@ abstract class FrontendTransaction implements Identifiable<TransactionIdentifier
     @SuppressWarnings("checkstyle:IllegalCatch")
     final @Nullable TransactionSuccess<?> handleRequest(final TransactionRequest<?> request,
             final RequestEnvelope envelope, final long now) throws RequestException {
+        if (request instanceof IncrementTransactionSequenceRequest) {
+            final IncrementTransactionSequenceRequest incr = (IncrementTransactionSequenceRequest) request;
+            expectedSequence += incr.getIncrement();
+
+            return recordSuccess(incr.getSequence(), new IncrementTransactionSequenceSuccess(incr.getTarget(),
+                incr.getSequence()));
+        }
+
         if (previousFailure != null) {
             LOG.debug("{}: Rejecting request {} due to previous failure", persistenceId(), request, previousFailure);
             throw previousFailure;
@@ -143,6 +153,8 @@ abstract class FrontendTransaction implements Identifiable<TransactionIdentifier
     abstract @Nullable TransactionSuccess<?> doHandleRequest(TransactionRequest<?> request, RequestEnvelope envelope,
             long now) throws RequestException;
 
+    abstract void retire();
+
     private void recordResponse(final long sequence, final Object response) {
         if (replayQueue.isEmpty()) {
             firstReplaySequence = sequence;