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 static com.google.common.base.Preconditions.checkState;
12 import akka.actor.ActorRef;
13 import akka.actor.ActorSelection;
14 import akka.actor.ActorSystem;
15 import akka.actor.Props;
16 import akka.actor.UntypedActorContext;
17 import com.google.common.annotations.VisibleForTesting;
18 import com.google.common.base.Supplier;
20 import org.opendaylight.controller.cluster.DataPersistenceProvider;
21 import org.slf4j.Logger;
23 public class RaftActorContextImpl implements RaftActorContext {
25 private final ActorRef actor;
27 private final UntypedActorContext context;
29 private final String id;
31 private final ElectionTerm termInformation;
33 private long commitIndex;
35 private long lastApplied;
37 private ReplicatedLog replicatedLog;
39 private final Map<String, String> peerAddresses;
41 private final Logger LOG;
43 private ConfigParams configParams;
46 private Supplier<Long> totalMemoryRetriever;
48 // Snapshot manager will need to be created on demand as it needs raft actor context which cannot
49 // be passed to it in the constructor
50 private SnapshotManager snapshotManager;
52 private final DataPersistenceProvider persistenceProvider;
54 public RaftActorContextImpl(ActorRef actor, UntypedActorContext context, String id,
55 ElectionTerm termInformation, long commitIndex, long lastApplied, Map<String, String> peerAddresses,
56 ConfigParams configParams, DataPersistenceProvider persistenceProvider, Logger logger) {
58 this.context = context;
60 this.termInformation = termInformation;
61 this.commitIndex = commitIndex;
62 this.lastApplied = lastApplied;
63 this.peerAddresses = peerAddresses;
64 this.configParams = configParams;
65 this.persistenceProvider = persistenceProvider;
69 void setConfigParams(ConfigParams configParams) {
70 this.configParams = configParams;
74 public ActorRef actorOf(Props props){
75 return context.actorOf(props);
79 public ActorSelection actorSelection(String path){
80 return context.actorSelection(path);
84 public String getId() {
89 public ActorRef getActor() {
94 public ElectionTerm getTermInformation() {
95 return termInformation;
99 public long getCommitIndex() {
103 @Override public void setCommitIndex(long commitIndex) {
104 this.commitIndex = commitIndex;
108 public long getLastApplied() {
112 @Override public void setLastApplied(long lastApplied) {
113 this.lastApplied = lastApplied;
116 @Override public void setReplicatedLog(ReplicatedLog replicatedLog) {
117 this.replicatedLog = replicatedLog;
120 @Override public ReplicatedLog getReplicatedLog() {
121 return replicatedLog;
124 @Override public ActorSystem getActorSystem() {
125 return context.system();
128 @Override public Logger getLogger() {
132 @Override public Map<String, String> getPeerAddresses() {
133 return peerAddresses;
136 @Override public String getPeerAddress(String peerId) {
137 return peerAddresses.get(peerId);
140 @Override public ConfigParams getConfigParams() {
144 @Override public void addToPeers(String name, String address) {
145 peerAddresses.put(name, address);
148 @Override public void removePeer(String name) {
149 peerAddresses.remove(name);
152 @Override public ActorSelection getPeerActorSelection(String peerId) {
153 String peerAddress = getPeerAddress(peerId);
154 if(peerAddress != null){
155 return actorSelection(peerAddress);
160 @Override public void setPeerAddress(String peerId, String peerAddress) {
161 LOG.info("Peer address for peer {} set to {}", peerId, peerAddress);
162 checkState(peerAddresses.containsKey(peerId), peerId + " is unknown");
164 peerAddresses.put(peerId, peerAddress);
168 public SnapshotManager getSnapshotManager() {
169 if(snapshotManager == null){
170 snapshotManager = new SnapshotManager(this, LOG);
172 return snapshotManager;
176 public long getTotalMemory() {
177 return totalMemoryRetriever != null ? totalMemoryRetriever.get() : Runtime.getRuntime().totalMemory();
181 public void setTotalMemoryRetriever(Supplier<Long> retriever) {
182 totalMemoryRetriever = retriever;
186 public boolean hasFollowers() {
187 return getPeerAddresses().keySet().size() > 0;
191 public DataPersistenceProvider getPersistenceProvider() {
192 return persistenceProvider;