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 org.opendaylight.controller.cluster.datastore.persisted.DatastoreSnapshot.ShardSnapshot;
18 import org.opendaylight.controller.cluster.raft.persisted.Snapshot;
21 * Serialization proxy for {@link ShardDataTreeSnapshot}.
23 final class DSS implements Externalizable {
25 private static final long serialVersionUID = 1L;
27 private ShardSnapshot shardSnapshot;
29 @SuppressWarnings("checkstyle:RedundantModifier")
34 DSS(final ShardSnapshot shardSnapshot) {
35 this.shardSnapshot = requireNonNull(shardSnapshot);
39 public void writeExternal(final ObjectOutput out) throws IOException {
40 out.writeObject(shardSnapshot.getName());
41 out.writeObject(shardSnapshot.getSnapshot());
45 public void readExternal(final ObjectInput in) throws IOException, ClassNotFoundException {
46 shardSnapshot = new ShardSnapshot((String) in.readObject(), (Snapshot) in.readObject());
50 private Object readResolve() {
51 return verifyNotNull(shardSnapshot);