Delay snapshot backed transaction ready error

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

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/LocalThreePhaseCommitCohort.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/LocalThreePhaseCommitCohort.java
index 0ea1029a9d87c4cfc8537b81798a957d5d269749..80d5417e0bf392d6150f64d73c9a519e3d58efaf 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/LocalThreePhaseCommitCohort.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/LocalThreePhaseCommitCohort.java
@@ -8,10 +8,11 @@
 package org.opendaylight.controller.cluster.datastore;
 
 import akka.actor.ActorSelection;
+import akka.dispatch.Futures;
 import akka.dispatch.OnComplete;
 import com.google.common.base.Preconditions;
 import com.google.common.util.concurrent.ListenableFuture;
-import org.opendaylight.controller.cluster.datastore.identifiers.TransactionIdentifier;
+import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
 import org.opendaylight.controller.cluster.datastore.messages.CommitTransactionReply;
 import org.opendaylight.controller.cluster.datastore.messages.ReadyLocalTransaction;
 import org.opendaylight.controller.cluster.datastore.utils.ActorContext;
@@ -29,26 +30,43 @@ import scala.concurrent.Future;
  * It is not actually called by the front-end to perform 3PC thus the canCommit/preCommit/commit methods
  * are no-ops.
  */
-abstract class LocalThreePhaseCommitCohort implements DOMStoreThreePhaseCommitCohort {
+class LocalThreePhaseCommitCohort implements DOMStoreThreePhaseCommitCohort {
     private static final Logger LOG = LoggerFactory.getLogger(LocalThreePhaseCommitCohort.class);
 
     private final SnapshotBackedWriteTransaction<TransactionIdentifier> transaction;
     private final DataTreeModification modification;
     private final ActorContext actorContext;
     private final ActorSelection leader;
+    private final Exception operationError;
 
     protected LocalThreePhaseCommitCohort(final ActorContext actorContext, final ActorSelection leader,
-            final SnapshotBackedWriteTransaction<TransactionIdentifier> transaction, final DataTreeModification modification) {
+            final SnapshotBackedWriteTransaction<TransactionIdentifier> transaction,
+            final DataTreeModification modification,
+            final Exception operationError) {
         this.actorContext = Preconditions.checkNotNull(actorContext);
         this.leader = Preconditions.checkNotNull(leader);
         this.transaction = Preconditions.checkNotNull(transaction);
         this.modification = Preconditions.checkNotNull(modification);
+        this.operationError = operationError;
+    }
+
+    protected LocalThreePhaseCommitCohort(final ActorContext actorContext, final ActorSelection leader,
+            final SnapshotBackedWriteTransaction<TransactionIdentifier> transaction, final Exception operationError) {
+        this.actorContext = Preconditions.checkNotNull(actorContext);
+        this.leader = Preconditions.checkNotNull(leader);
+        this.transaction = Preconditions.checkNotNull(transaction);
+        this.operationError = Preconditions.checkNotNull(operationError);
+        this.modification = null;
     }
 
     private Future<Object> initiateCommit(final boolean immediate) {
-        final ReadyLocalTransaction message = new ReadyLocalTransaction(transaction.getIdentifier().toString(),
+        if (operationError != null) {
+            return Futures.failed(operationError);
+        }
+
+        final ReadyLocalTransaction message = new ReadyLocalTransaction(transaction.getIdentifier(),
                 modification, immediate);
-        return actorContext.executeOperationAsync(leader, message);
+        return actorContext.executeOperationAsync(leader, message, actorContext.getTransactionCommitOperationTimeout());
     }
 
     Future<ActorSelection> initiateCoordinatedCommit() {
@@ -79,7 +97,7 @@ abstract class LocalThreePhaseCommitCohort implements DOMStoreThreePhaseCommitCo
                 if (failure != null) {
                     LOG.error("Failed to prepare transaction {} on backend", transaction.getIdentifier(), failure);
                     transactionAborted(transaction);
-                } else if (CommitTransactionReply.SERIALIZABLE_CLASS.isInstance(message)) {
+                } else if (CommitTransactionReply.isSerializedType(message)) {
                     LOG.debug("Transaction {} committed successfully", transaction.getIdentifier());
                     transactionCommitted(transaction);
                 } else {
@@ -116,6 +134,9 @@ abstract class LocalThreePhaseCommitCohort implements DOMStoreThreePhaseCommitCo
         throw new UnsupportedOperationException();
     }
 
-    protected abstract void transactionAborted(SnapshotBackedWriteTransaction<TransactionIdentifier> transaction);
-    protected abstract void transactionCommitted(SnapshotBackedWriteTransaction<TransactionIdentifier> transaction);
+    protected void transactionAborted(SnapshotBackedWriteTransaction<TransactionIdentifier> aborted) {
+    }
+
+    protected void transactionCommitted(SnapshotBackedWriteTransaction<TransactionIdentifier> comitted) {
+    }
 }