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 javax.annotation.Nonnull;
-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;
* 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) {
this.leader = Preconditions.checkNotNull(leader);
this.transaction = Preconditions.checkNotNull(transaction);
this.modification = Preconditions.checkNotNull(modification);
+ this.operationError = null;
+ }
+
+ 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, actorContext.getTransactionCommitOperationTimeout());
}
- /**
- * Return the {@link ActorContext} associated with this object.
- *
- * @return An actor context instance.
- */
- @Nonnull ActorContext getActorContext() {
- return actorContext;
- }
-
Future<ActorSelection> initiateCoordinatedCommit() {
final Future<Object> messageFuture = initiateCommit(false);
final Future<ActorSelection> ret = TransactionReadyReplyMapper.transform(messageFuture, actorContext,
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 {
throw new UnsupportedOperationException();
}
- protected abstract void transactionAborted(SnapshotBackedWriteTransaction<TransactionIdentifier> transaction);
- protected abstract void transactionCommitted(SnapshotBackedWriteTransaction<TransactionIdentifier> transaction);
+ protected void transactionAborted(SnapshotBackedWriteTransaction<TransactionIdentifier> transaction) {
+ }
+
+ protected void transactionCommitted(SnapshotBackedWriteTransaction<TransactionIdentifier> transaction) {
+ }
}