2 * Copyright (c) 2014 Cisco 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;
10 import java.io.Serializable;
11 import java.util.List;
14 public class Snapshot implements Serializable {
15 private static final long serialVersionUID = -8298574936724056236L;
17 private final byte[] state;
18 private final List<ReplicatedLogEntry> unAppliedEntries;
19 private final long lastIndex;
20 private final long lastTerm;
21 private final long lastAppliedIndex;
22 private final long lastAppliedTerm;
23 private final long electionTerm;
24 private final String electionVotedFor;
26 private Snapshot(byte[] state, List<ReplicatedLogEntry> unAppliedEntries, long lastIndex, long lastTerm,
27 long lastAppliedIndex, long lastAppliedTerm, long electionTerm, String electionVotedFor) {
29 this.unAppliedEntries = unAppliedEntries;
30 this.lastIndex = lastIndex;
31 this.lastTerm = lastTerm;
32 this.lastAppliedIndex = lastAppliedIndex;
33 this.lastAppliedTerm = lastAppliedTerm;
34 this.electionTerm = electionTerm;
35 this.electionVotedFor = electionVotedFor;
38 public static Snapshot create(byte[] state, List<ReplicatedLogEntry> entries, long lastIndex, long lastTerm,
39 long lastAppliedIndex, long lastAppliedTerm) {
40 return new Snapshot(state, entries, lastIndex, lastTerm, lastAppliedIndex, lastAppliedTerm, -1, null);
43 public static Snapshot create(byte[] state, List<ReplicatedLogEntry> entries, long lastIndex, long lastTerm,
44 long lastAppliedIndex, long lastAppliedTerm, long electionTerm, String electionVotedFor) {
45 return new Snapshot(state, entries, lastIndex, lastTerm, lastAppliedIndex, lastAppliedTerm,
46 electionTerm, electionVotedFor);
49 public byte[] getState() {
53 public List<ReplicatedLogEntry> getUnAppliedEntries() {
54 return unAppliedEntries;
57 public long getLastTerm() {
61 public long getLastAppliedIndex() {
62 return lastAppliedIndex;
65 public long getLastAppliedTerm() {
66 return lastAppliedTerm;
69 public long getLastIndex() {
70 return this.lastIndex;
73 public long getElectionTerm() {
78 public String getElectionVotedFor() {
79 return electionVotedFor;
83 public String toString() {
84 return "Snapshot [lastIndex=" + lastIndex + ", lastTerm=" + lastTerm + ", lastAppliedIndex=" + lastAppliedIndex
85 + ", lastAppliedTerm=" + lastAppliedTerm + ", unAppliedEntries size=" + unAppliedEntries.size()
86 + ", state size=" + state.length + ", electionTerm=" + electionTerm + ", electionVotedFor=" + electionVotedFor