Improve logging around transaction lifecycle

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

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/FrontendReadOnlyTransaction.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/FrontendReadOnlyTransaction.java
index 465cfcbee10af4a97b47e9cee17e84869433bcd6..071fded649adf0dd275602864fa51a3d22eab6c6 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/FrontendReadOnlyTransaction.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/FrontendReadOnlyTransaction.java
@@ -17,14 +17,14 @@ import org.opendaylight.controller.cluster.access.commands.ReadTransactionReques
 import org.opendaylight.controller.cluster.access.commands.ReadTransactionSuccess;
 import org.opendaylight.controller.cluster.access.commands.TransactionAbortRequest;
 import org.opendaylight.controller.cluster.access.commands.TransactionAbortSuccess;
-import org.opendaylight.controller.cluster.access.commands.TransactionPurgeRequest;
-import org.opendaylight.controller.cluster.access.commands.TransactionPurgeResponse;
 import org.opendaylight.controller.cluster.access.commands.TransactionRequest;
 import org.opendaylight.controller.cluster.access.commands.TransactionSuccess;
 import org.opendaylight.controller.cluster.access.concepts.RequestEnvelope;
 import org.opendaylight.controller.cluster.access.concepts.RequestException;
 import org.opendaylight.controller.cluster.access.concepts.UnsupportedRequestException;
 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Read-only frontend transaction state as observed by the shard leader.
@@ -33,6 +33,8 @@ import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  */
 @NotThreadSafe
 final class FrontendReadOnlyTransaction extends FrontendTransaction {
+    private static final Logger LOG = LoggerFactory.getLogger(FrontendReadOnlyTransaction.class);
+
     private final ReadOnlyShardDataTreeTransaction openTransaction;
 
     private FrontendReadOnlyTransaction(final AbstractFrontendHistory history,
@@ -55,19 +57,18 @@ final class FrontendReadOnlyTransaction extends FrontendTransaction {
         } else if (request instanceof ReadTransactionRequest) {
             return handleReadTransaction((ReadTransactionRequest) request);
         } else if (request instanceof TransactionAbortRequest) {
-            return handleTransactionAbort((TransactionAbortRequest) request, envelope, now);
-        } else if (request instanceof TransactionPurgeRequest) {
-            // No-op for now
-            return new TransactionPurgeResponse(request.getTarget(), request.getSequence());
+            handleTransactionAbort((TransactionAbortRequest) request, envelope, now);
+            return null;
         } else {
+            LOG.warn("Rejecting unsupported request {}", request);
             throw new UnsupportedRequestException(request);
         }
     }
 
-    private TransactionSuccess<?> handleTransactionAbort(final TransactionAbortRequest request,
-            final RequestEnvelope envelope, final long now) throws RequestException {
-        openTransaction.abort();
-        return new TransactionAbortSuccess(openTransaction.getIdentifier(), request.getSequence());
+    private void handleTransactionAbort(final TransactionAbortRequest request, final RequestEnvelope envelope,
+            final long now) throws RequestException {
+        openTransaction.abort(() -> recordAndSendSuccess(envelope, now, new TransactionAbortSuccess(request.getTarget(),
+            request.getSequence())));
     }
 
     private ExistsTransactionSuccess handleExistsTransaction(final ExistsTransactionRequest request)