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;
20 * Serialization proxy for {@link ShardManagerSnapshot}.
22 final class SM implements Externalizable {
24 private static final long serialVersionUID = 1L;
26 private ShardManagerSnapshot snapshot;
28 @SuppressWarnings("checkstyle:RedundantModifier")
33 SM(final ShardManagerSnapshot snapshot) {
34 this.snapshot = requireNonNull(snapshot);
38 public void readExternal(final ObjectInput in) throws IOException, ClassNotFoundException {
39 final int size = in.readInt();
40 final var shardList = new ArrayList<String>(size);
41 for (int i = 0; i < size; i++) {
42 shardList.add((String) in.readObject());
44 snapshot = new ShardManagerSnapshot(shardList);
48 public void writeExternal(final ObjectOutput out) throws IOException {
49 final var shardList = snapshot.getShardList();
50 out.writeInt(shardList.size());
51 for (var shardName : shardList) {
52 out.writeObject(shardName);
57 private Object readResolve() {
58 return verifyNotNull(snapshot);