2 * Copyright (c) 2015 Brocade Communications Systems, Inc. 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.messages;
10 import com.google.common.base.Preconditions;
11 import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
12 import java.io.Serializable;
13 import java.util.List;
14 import javax.annotation.Nonnull;
15 import javax.annotation.Nullable;
18 * Stores a snapshot of the internal state of a data store.
20 * @author Thomas Pantelis
22 public class DatastoreSnapshot implements Serializable {
23 private static final long serialVersionUID = 1L;
25 private final String type;
26 private final byte[] shardManagerSnapshot;
27 private final List<ShardSnapshot> shardSnapshots;
29 @SuppressFBWarnings(value = "EI_EXPOSE_REP2", justification = "Stores a reference to an externally mutable byte[] "
30 + "object but this is OK since this class is merely a DTO and does not process byte[] internally. "
31 + "Also it would be inefficient to create a return copy as the byte[] could be large.")
32 public DatastoreSnapshot(@Nonnull String type, @Nullable byte[] shardManagerSnapshot,
33 @Nonnull List<ShardSnapshot> shardSnapshots) {
34 this.type = Preconditions.checkNotNull(type);
35 this.shardManagerSnapshot = shardManagerSnapshot;
36 this.shardSnapshots = Preconditions.checkNotNull(shardSnapshots);
40 public String getType() {
44 @SuppressFBWarnings(value = "EI_EXPOSE_REP", justification = "Exposes a mutable object stored in a field but "
45 + "this is OK since this class is merely a DTO and does not process byte[] internally. "
46 + "Also it would be inefficient to create a return copy as the byte[] could be large.")
48 public byte[] getShardManagerSnapshot() {
49 return shardManagerSnapshot;
53 public List<ShardSnapshot> getShardSnapshots() {
54 return shardSnapshots;
57 public static class ShardSnapshot implements Serializable {
58 private static final long serialVersionUID = 1L;
60 private final String name;
61 private final byte[] snapshot;
63 public ShardSnapshot(@Nonnull String name, @Nonnull byte[] snapshot) {
64 this.name = Preconditions.checkNotNull(name);
65 this.snapshot = Preconditions.checkNotNull(snapshot);
69 public String getName() {
73 @SuppressFBWarnings(value = "EI_EXPOSE_REP", justification = "Exposes a mutable object stored in a field but "
74 + "this is OK since this class is merely a DTO and does not process byte[] internally. "
75 + "Also it would be inefficient to create a return copy as the byte[] could be large.")
77 public byte[] getSnapshot() {