/*
- * Copyright (c) 2015 Brocade Communications Systems, Inc. and others. All rights reserved.
+ * Copyright (c) 2015, 2017 Brocade Communications Systems, Inc. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
*/
package org.opendaylight.controller.cluster.datastore;
+import static java.util.Objects.requireNonNull;
+
import akka.actor.ActorContext;
import akka.actor.ActorRef;
-import com.google.common.base.Preconditions;
+import com.google.common.io.ByteSource;
import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.OutputStream;
+import java.util.Optional;
import org.opendaylight.controller.cluster.access.concepts.ClientIdentifier;
import org.opendaylight.controller.cluster.access.concepts.FrontendIdentifier;
import org.opendaylight.controller.cluster.access.concepts.FrontendType;
import org.opendaylight.controller.cluster.access.concepts.MemberName;
import org.opendaylight.controller.cluster.datastore.actors.ShardSnapshotActor;
import org.opendaylight.controller.cluster.datastore.persisted.ShardDataTreeSnapshot;
+import org.opendaylight.controller.cluster.datastore.persisted.ShardSnapshotState;
import org.opendaylight.controller.cluster.raft.RaftActorSnapshotCohort;
+import org.opendaylight.controller.cluster.raft.persisted.Snapshot;
+import org.opendaylight.controller.cluster.raft.persisted.Snapshot.State;
import org.slf4j.Logger;
/**
*
* @author Thomas Pantelis
*/
-class ShardSnapshotCohort implements RaftActorSnapshotCohort {
+final class ShardSnapshotCohort implements RaftActorSnapshotCohort {
private static final FrontendType SNAPSHOT_APPLY = FrontendType.forName("snapshot-apply");
private final ActorRef snapshotActor;
private ShardSnapshotCohort(final LocalHistoryIdentifier applyHistoryId, final ActorRef snapshotActor,
final ShardDataTree store, final Logger log, final String logId) {
- this.snapshotActor = Preconditions.checkNotNull(snapshotActor);
- this.store = Preconditions.checkNotNull(store);
+ this.snapshotActor = requireNonNull(snapshotActor);
+ this.store = requireNonNull(store);
this.log = log;
this.logId = logId;
}
}
@Override
- public void createSnapshot(final ActorRef actorRef) {
+ public void createSnapshot(final ActorRef actorRef, final Optional<OutputStream> installSnapshotStream) {
// Forward the request to the snapshot actor
- ShardSnapshotActor.requestSnapshot(snapshotActor, store.takeStateSnapshot(), actorRef);
+ final ShardDataTreeSnapshot snapshot = store.takeStateSnapshot();
+ log.debug("{}: requesting serialization of snapshot {}", logId, snapshot);
+
+ ShardSnapshotActor.requestSnapshot(snapshotActor, snapshot, installSnapshotStream, actorRef);
}
@Override
@SuppressWarnings("checkstyle:IllegalCatch")
- public void applySnapshot(final byte[] snapshotBytes) {
+ public void applySnapshot(final Snapshot.State snapshotState) {
+ if (!(snapshotState instanceof ShardSnapshotState)) {
+ log.debug("{}: applySnapshot ignoring snapshot: {}", logId, snapshotState);
+ }
+
+ final ShardDataTreeSnapshot snapshot = ((ShardSnapshotState)snapshotState).getSnapshot();
+
// Since this will be done only on Recovery or when this actor is a Follower
// we can safely commit everything in here. We not need to worry about event notifications
// as they would have already been disabled on the follower
log.info("{}: Applying snapshot", logId);
- final ShardDataTreeSnapshot snapshot;
- try {
- snapshot = ShardDataTreeSnapshot.deserialize(snapshotBytes);
- } catch (IOException e) {
- log.error("{}: Failed to deserialize snapshot", logId, e);
- return;
- }
-
try {
store.applySnapshot(snapshot);
} catch (Exception e) {
log.info("{}: Done applying snapshot", logId);
}
+
+ @Override
+ public State deserializeSnapshot(final ByteSource snapshotBytes) throws IOException {
+ try (ObjectInputStream in = new ObjectInputStream(snapshotBytes.openStream())) {
+ return ShardDataTreeSnapshot.deserialize(in);
+ }
+ }
}