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 private short payloadVersion;
56 public RaftActorContextImpl(ActorRef actor, UntypedActorContext context, String id,
57 ElectionTerm termInformation, long commitIndex, long lastApplied, Map<String, String> peerAddresses,
58 ConfigParams configParams, DataPersistenceProvider persistenceProvider, Logger logger) {
60 this.context = context;
62 this.termInformation = termInformation;
63 this.commitIndex = commitIndex;
64 this.lastApplied = lastApplied;
65 this.peerAddresses = peerAddresses;
66 this.configParams = configParams;
67 this.persistenceProvider = persistenceProvider;
71 void setPayloadVersion(short payloadVersion) {
72 this.payloadVersion = payloadVersion;
76 public short getPayloadVersion() {
77 return payloadVersion;
80 void setConfigParams(ConfigParams configParams) {
81 this.configParams = configParams;
85 public ActorRef actorOf(Props props){
86 return context.actorOf(props);
90 public ActorSelection actorSelection(String path){
91 return context.actorSelection(path);
95 public String getId() {
100 public ActorRef getActor() {
105 public ElectionTerm getTermInformation() {
106 return termInformation;
110 public long getCommitIndex() {
114 @Override public void setCommitIndex(long commitIndex) {
115 this.commitIndex = commitIndex;
119 public long getLastApplied() {
123 @Override public void setLastApplied(long lastApplied) {
124 this.lastApplied = lastApplied;
127 @Override public void setReplicatedLog(ReplicatedLog replicatedLog) {
128 this.replicatedLog = replicatedLog;
131 @Override public ReplicatedLog getReplicatedLog() {
132 return replicatedLog;
135 @Override public ActorSystem getActorSystem() {
136 return context.system();
139 @Override public Logger getLogger() {
143 @Override public Map<String, String> getPeerAddresses() {
144 return peerAddresses;
147 @Override public String getPeerAddress(String peerId) {
148 return peerAddresses.get(peerId);
151 @Override public ConfigParams getConfigParams() {
155 @Override public void addToPeers(String name, String address) {
156 peerAddresses.put(name, address);
159 @Override public void removePeer(String name) {
160 peerAddresses.remove(name);
163 @Override public ActorSelection getPeerActorSelection(String peerId) {
164 String peerAddress = getPeerAddress(peerId);
165 if(peerAddress != null){
166 return actorSelection(peerAddress);
171 @Override public void setPeerAddress(String peerId, String peerAddress) {
172 LOG.info("Peer address for peer {} set to {}", peerId, peerAddress);
173 checkState(peerAddresses.containsKey(peerId), peerId + " is unknown");
175 peerAddresses.put(peerId, peerAddress);
179 public SnapshotManager getSnapshotManager() {
180 if(snapshotManager == null){
181 snapshotManager = new SnapshotManager(this, LOG);
183 return snapshotManager;
187 public long getTotalMemory() {
188 return totalMemoryRetriever != null ? totalMemoryRetriever.get() : Runtime.getRuntime().totalMemory();
192 public void setTotalMemoryRetriever(Supplier<Long> retriever) {
193 totalMemoryRetriever = retriever;
197 public boolean hasFollowers() {
198 return getPeerAddresses().keySet().size() > 0;
202 public DataPersistenceProvider getPersistenceProvider() {
203 return persistenceProvider;