2 * Copyright (c) 2022 PANTHEON.tech, s.r.o. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.controller.cluster.datastore.persisted;
10 import static com.google.common.base.Verify.verifyNotNull;
11 import static java.util.Objects.requireNonNull;
13 import java.io.Externalizable;
14 import java.io.IOException;
15 import java.io.ObjectInput;
16 import java.io.ObjectOutput;
17 import java.util.ArrayList;
18 import org.opendaylight.controller.cluster.datastore.persisted.DatastoreSnapshot.ShardSnapshot;
21 * Serialization proxy for {@link DatastoreSnapshot}.
23 final class DS implements Externalizable {
25 private static final long serialVersionUID = 1L;
27 private DatastoreSnapshot datastoreSnapshot;
29 @SuppressWarnings("checkstyle:RedundantModifier")
34 DS(final DatastoreSnapshot datastoreSnapshot) {
35 this.datastoreSnapshot = requireNonNull(datastoreSnapshot);
39 public void readExternal(final ObjectInput in) throws IOException, ClassNotFoundException {
40 final var type = (String) in.readObject();
41 final var snapshot = (ShardManagerSnapshot) in.readObject();
43 final int size = in.readInt();
44 var localShardSnapshots = new ArrayList<ShardSnapshot>(size);
45 for (int i = 0; i < size; i++) {
46 localShardSnapshots.add((ShardSnapshot) in.readObject());
49 datastoreSnapshot = new DatastoreSnapshot(type, snapshot, localShardSnapshots);
53 public void writeExternal(final ObjectOutput out) throws IOException {
54 out.writeObject(datastoreSnapshot.getType());
55 out.writeObject(datastoreSnapshot.getShardManagerSnapshot());
57 final var shardSnapshots = datastoreSnapshot.getShardSnapshots();
58 out.writeInt(shardSnapshots.size());
59 for (var shardSnapshot : shardSnapshots) {
60 out.writeObject(shardSnapshot);
65 private Object readResolve() {
66 return verifyNotNull(datastoreSnapshot);