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
9 package org.opendaylight.controller.cluster.raft;
11 import akka.actor.ActorRef;
12 import akka.actor.ActorSelection;
13 import akka.actor.ActorSystem;
14 import akka.actor.Props;
15 import akka.event.Logging;
16 import akka.event.LoggingAdapter;
17 import com.google.protobuf.GeneratedMessage;
18 import org.opendaylight.controller.cluster.raft.protobuff.client.messages.Payload;
19 import org.opendaylight.controller.cluster.raft.protobuff.messages.AppendEntriesMessages;
20 import org.opendaylight.controller.cluster.raft.protobuff.messages.MockPayloadMessages;
22 import java.io.Serializable;
23 import java.util.ArrayList;
24 import java.util.Collections;
25 import java.util.HashMap;
26 import java.util.List;
29 public class MockRaftActorContext implements RaftActorContext {
32 private ActorSystem system;
33 private ActorRef actor;
34 private long index = 0;
35 private long lastApplied = 0;
36 private final ElectionTerm electionTerm;
37 private ReplicatedLog replicatedLog;
38 private Map<String, String> peerAddresses = new HashMap();
40 public MockRaftActorContext(){
46 public MockRaftActorContext(String id, ActorSystem system, ActorRef actor){
51 final String id1 = id;
52 electionTerm = new ElectionTerm() {
54 * Identifier of the actor whose election term information this is
56 private final String id = id1;
57 private long currentTerm = 0;
58 private String votedFor = "";
60 public long getCurrentTerm() {
64 public String getVotedFor() {
68 public void update(long currentTerm, String votedFor){
69 this.currentTerm = currentTerm;
70 this.votedFor = votedFor;
72 // TODO : Write to some persistent state
75 @Override public void updateAndPersist(long currentTerm,
77 update(currentTerm, votedFor);
85 public void initReplicatedLog(){
86 this.replicatedLog = new SimpleReplicatedLog();
87 this.replicatedLog.append(new MockReplicatedLogEntry(1, 1, new MockPayload("")));
90 @Override public ActorRef actorOf(Props props) {
91 return system.actorOf(props);
94 @Override public ActorSelection actorSelection(String path) {
95 return system.actorSelection(path);
98 @Override public String getId() {
102 @Override public ActorRef getActor() {
106 @Override public ElectionTerm getTermInformation() {
110 public void setIndex(long index){
114 @Override public long getCommitIndex() {
118 @Override public void setCommitIndex(long commitIndex) {
119 this.index = commitIndex;
122 @Override public void setLastApplied(long lastApplied){
123 this.lastApplied = lastApplied;
126 @Override public long getLastApplied() {
130 public void setReplicatedLog(ReplicatedLog replicatedLog) {
131 this.replicatedLog = replicatedLog;
134 @Override public ReplicatedLog getReplicatedLog() {
135 return replicatedLog;
138 @Override public ActorSystem getActorSystem() {
142 @Override public LoggingAdapter getLogger() {
143 return Logging.getLogger(system, this);
146 @Override public Map<String, String> getPeerAddresses() {
147 return peerAddresses;
150 @Override public String getPeerAddress(String peerId) {
151 return peerAddresses.get(peerId);
154 @Override public void addToPeers(String name, String address) {
155 peerAddresses.put(name, address);
158 @Override public void removePeer(String name) {
159 peerAddresses.remove(name);
162 public void setPeerAddresses(Map<String, String> peerAddresses) {
163 this.peerAddresses = peerAddresses;
168 public static class SimpleReplicatedLog implements ReplicatedLog {
169 private final List<ReplicatedLogEntry> log = new ArrayList<>();
171 @Override public ReplicatedLogEntry get(long index) {
172 if(index >= log.size() || index < 0){
175 return log.get((int) index);
178 @Override public ReplicatedLogEntry last() {
182 return log.get(log.size()-1);
185 @Override public long lastIndex() {
190 return last().getIndex();
193 @Override public long lastTerm() {
198 return last().getTerm();
201 @Override public void removeFrom(long index) {
202 if(index >= log.size() || index < 0){
206 log.subList((int) index, log.size()).clear();
207 //log.remove((int) index);
210 @Override public void removeFromAndPersist(long index) {
214 @Override public void append(ReplicatedLogEntry replicatedLogEntry) {
215 log.add(replicatedLogEntry);
218 @Override public void appendAndPersist(
219 ReplicatedLogEntry replicatedLogEntry) {
220 append(replicatedLogEntry);
223 @Override public List<ReplicatedLogEntry> getFrom(long index) {
224 if(index >= log.size() || index < 0){
225 return Collections.EMPTY_LIST;
227 List<ReplicatedLogEntry> entries = new ArrayList<>();
228 for(int i=(int) index ; i < log.size() ; i++) {
234 @Override public long size() {
238 @Override public boolean isPresent(long index) {
239 if(index >= log.size() || index < 0){
246 @Override public boolean isInSnapshot(long index) {
250 @Override public Object getSnapshot() {
254 @Override public long getSnapshotIndex() {
258 @Override public long getSnapshotTerm() {
263 public static class MockPayload extends Payload implements Serializable {
264 private String value = "";
266 public MockPayload(String s) {
270 @Override public Map<GeneratedMessage.GeneratedExtension, String> encode() {
271 Map<GeneratedMessage.GeneratedExtension, String> map = new HashMap<GeneratedMessage.GeneratedExtension, String>();
272 map.put(MockPayloadMessages.value, value);
276 @Override public Payload decode(
277 AppendEntriesMessages.AppendEntries.ReplicatedLogEntry.Payload payloadProtoBuff) {
278 String value = payloadProtoBuff.getExtension(MockPayloadMessages.value);
283 @Override public String getClientPayloadClassName() {
284 return MockPayload.class.getName();
287 public String toString() {
292 public static class MockReplicatedLogEntry implements ReplicatedLogEntry, Serializable {
294 private final long term;
295 private final long index;
296 private final Payload data;
298 public MockReplicatedLogEntry(long term, long index, Payload data){
305 @Override public Payload getData() {
309 @Override public long getTerm() {
313 @Override public long getIndex() {