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.common.base.Preconditions;
18 import com.google.protobuf.GeneratedMessage;
19 import java.io.Serializable;
20 import java.util.HashMap;
22 import org.opendaylight.controller.cluster.raft.protobuff.client.messages.Payload;
23 import org.opendaylight.controller.protobuff.messages.cluster.raft.AppendEntriesMessages;
24 import org.opendaylight.controller.protobuff.messages.cluster.raft.test.MockPayloadMessages;
26 public class MockRaftActorContext implements RaftActorContext {
29 private ActorSystem system;
30 private ActorRef actor;
31 private long index = 0;
32 private long lastApplied = 0;
33 private final ElectionTerm electionTerm;
34 private ReplicatedLog replicatedLog;
35 private Map<String, String> peerAddresses = new HashMap<>();
36 private ConfigParams configParams;
37 private boolean snapshotCaptureInitiated;
39 public MockRaftActorContext(){
45 public MockRaftActorContext(String id, ActorSystem system, ActorRef actor){
50 final String id1 = id;
51 electionTerm = new ElectionTerm() {
53 * Identifier of the actor whose election term information this is
55 private final String id = id1;
56 private long currentTerm = 0;
57 private String votedFor = "";
60 public long getCurrentTerm() {
65 public String getVotedFor() {
70 public void update(long currentTerm, String votedFor){
71 this.currentTerm = currentTerm;
72 this.votedFor = votedFor;
74 // TODO : Write to some persistent state
77 @Override public void updateAndPersist(long currentTerm,
79 update(currentTerm, votedFor);
83 configParams = new DefaultConfigParamsImpl();
89 public void initReplicatedLog(){
90 this.replicatedLog = new SimpleReplicatedLog();
91 this.replicatedLog.append(new MockReplicatedLogEntry(1, 1, new MockPayload("")));
94 @Override public ActorRef actorOf(Props props) {
95 return system.actorOf(props);
98 @Override public ActorSelection actorSelection(String path) {
99 return system.actorSelection(path);
102 @Override public String getId() {
106 @Override public ActorRef getActor() {
110 @Override public ElectionTerm getTermInformation() {
114 public void setIndex(long index){
118 @Override public long getCommitIndex() {
122 @Override public void setCommitIndex(long commitIndex) {
123 this.index = commitIndex;
126 @Override public void setLastApplied(long lastApplied){
127 this.lastApplied = lastApplied;
130 @Override public long getLastApplied() {
135 public void setReplicatedLog(ReplicatedLog replicatedLog) {
136 this.replicatedLog = replicatedLog;
139 @Override public ReplicatedLog getReplicatedLog() {
140 return replicatedLog;
143 @Override public ActorSystem getActorSystem() {
147 @Override public LoggingAdapter getLogger() {
148 return Logging.getLogger(system, this);
151 @Override public Map<String, String> getPeerAddresses() {
152 return peerAddresses;
155 @Override public String getPeerAddress(String peerId) {
156 return peerAddresses.get(peerId);
159 @Override public void addToPeers(String name, String address) {
160 peerAddresses.put(name, address);
163 @Override public void removePeer(String name) {
164 peerAddresses.remove(name);
167 @Override public ActorSelection getPeerActorSelection(String peerId) {
168 String peerAddress = getPeerAddress(peerId);
169 if(peerAddress != null){
170 return actorSelection(peerAddress);
175 @Override public void setPeerAddress(String peerId, String peerAddress) {
176 Preconditions.checkState(peerAddresses.containsKey(peerId));
177 peerAddresses.put(peerId, peerAddress);
180 public void setPeerAddresses(Map<String, String> peerAddresses) {
181 this.peerAddresses = peerAddresses;
185 public ConfigParams getConfigParams() {
190 public void setSnapshotCaptureInitiated(boolean snapshotCaptureInitiated) {
191 this.snapshotCaptureInitiated = snapshotCaptureInitiated;
195 public boolean isSnapshotCaptureInitiated() {
196 return snapshotCaptureInitiated;
199 public void setConfigParams(ConfigParams configParams) {
200 this.configParams = configParams;
203 public static class SimpleReplicatedLog extends AbstractReplicatedLogImpl {
204 @Override public void appendAndPersist(
205 ReplicatedLogEntry replicatedLogEntry) {
206 append(replicatedLogEntry);
210 public int dataSize() {
214 @Override public void removeFromAndPersist(long index) {
219 public static class MockPayload extends Payload implements Serializable {
220 private static final long serialVersionUID = 3121380393130864247L;
221 private String value = "";
223 public MockPayload(){
227 public MockPayload(String s) {
231 @Override public Map<GeneratedMessage.GeneratedExtension, String> encode() {
232 Map<GeneratedMessage.GeneratedExtension, String> map = new HashMap<GeneratedMessage.GeneratedExtension, String>();
233 map.put(MockPayloadMessages.value, value);
237 @Override public Payload decode(
238 AppendEntriesMessages.AppendEntries.ReplicatedLogEntry.Payload payloadProtoBuff) {
239 String value = payloadProtoBuff.getExtension(MockPayloadMessages.value);
246 return value.length();
249 @Override public String getClientPayloadClassName() {
250 return MockPayload.class.getName();
254 public String toString() {
259 public static class MockReplicatedLogEntry implements ReplicatedLogEntry, Serializable {
260 private static final long serialVersionUID = 1L;
262 private final long term;
263 private final long index;
264 private final Payload data;
266 public MockReplicatedLogEntry(long term, long index, Payload data){
273 @Override public Payload getData() {
277 @Override public long getTerm() {
281 @Override public long getIndex() {
287 return getData().size();
291 public static class MockReplicatedLogBuilder {
292 private final ReplicatedLog mockLog = new SimpleReplicatedLog();
294 public MockReplicatedLogBuilder createEntries(int start, int end, int term) {
295 for (int i=start; i<end; i++) {
296 this.mockLog.append(new ReplicatedLogImplEntry(i, term, new MockRaftActorContext.MockPayload("foo" + i)));
301 public MockReplicatedLogBuilder addEntry(int index, int term, MockPayload payload) {
302 this.mockLog.append(new ReplicatedLogImplEntry(index, term, payload));
306 public ReplicatedLog build() {