2 * Copyright (c) 2016 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.raft.persisted;
10 import akka.dispatch.ControlMessage;
11 import java.io.Externalizable;
12 import java.io.IOException;
13 import java.io.ObjectInput;
14 import java.io.ObjectOutput;
15 import java.io.Serializable;
18 * This is an internal message that is stored in the akka's persistent journal. During recovery, this
19 * message is used to apply recovered journal entries to the state whose indexes range from the context's
20 * current lastApplied index to "toIndex" contained in the message. This message is sent internally from a
21 * behavior to the RaftActor to persist.
23 * @author Thomas Pantelis
25 public sealed class ApplyJournalEntries implements Serializable, ControlMessage {
26 @Deprecated(since = "7.0.0", forRemoval = true)
27 private static final class Legacy extends ApplyJournalEntries implements LegacySerializable {
29 private static final long serialVersionUID = 1L;
31 Legacy(final long toIndex) {
36 @Deprecated(since = "7.0.0", forRemoval = true)
37 private static final class Proxy implements Externalizable {
39 private static final long serialVersionUID = 1L;
41 private ApplyJournalEntries applyEntries = null;
43 // checkstyle flags the public modifier as redundant which really doesn't make sense since it clearly isn't
44 // redundant. It is explicitly needed for Java serialization to be able to create instances via reflection.
45 @SuppressWarnings("checkstyle:RedundantModifier")
51 public void writeExternal(final ObjectOutput out) throws IOException {
52 out.writeLong(applyEntries.toIndex);
56 public void readExternal(final ObjectInput in) throws IOException {
57 applyEntries = new Legacy(in.readLong());
61 private Object readResolve() {
67 private static final long serialVersionUID = 1L;
69 private final long toIndex;
71 public ApplyJournalEntries(final long toIndex) {
72 this.toIndex = toIndex;
75 public final long getToIndex() {
80 public final Object writeReplace() {
85 public final String toString() {
86 return "ApplyJournalEntries [toIndex=" + toIndex + "]";