opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/RaftActorContextImpl.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   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
   7  */
   8
   9 package org.opendaylight.controller.cluster.raft;
  10
  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 java.util.Map;
  18 import org.slf4j.Logger;
  19
  20 public class RaftActorContextImpl implements RaftActorContext {
  21
  22     private final ActorRef actor;
  23
  24     private final UntypedActorContext context;
  25
  26     private final String id;
  27
  28     private final ElectionTerm termInformation;
  29
  30     private long commitIndex;
  31
  32     private long lastApplied;
  33
  34     private ReplicatedLog replicatedLog;
  35
  36     private final Map<String, String> peerAddresses;
  37
  38     private final Logger LOG;
  39
  40     private ConfigParams configParams;
  41
  42     private boolean snapshotCaptureInitiated;
  43
  44     // Snapshot manager will need to be created on demand as it needs raft actor context which cannot
  45     // be passed to it in the constructor
  46     private SnapshotManager snapshotManager;
  47
  48     public RaftActorContextImpl(ActorRef actor, UntypedActorContext context,
  49         String id,
  50         ElectionTerm termInformation, long commitIndex,
  51         long lastApplied, ReplicatedLog replicatedLog,
  52         Map<String, String> peerAddresses, ConfigParams configParams,
  53         Logger logger) {
  54         this.actor = actor;
  55         this.context = context;
  56         this.id = id;
  57         this.termInformation = termInformation;
  58         this.commitIndex = commitIndex;
  59         this.lastApplied = lastApplied;
  60         this.replicatedLog = replicatedLog;
  61         this.peerAddresses = peerAddresses;
  62         this.configParams = configParams;
  63         this.LOG = logger;
  64     }
  65
  66     void setConfigParams(ConfigParams configParams) {
  67         this.configParams = configParams;
  68     }
  69
  70     @Override
  71     public ActorRef actorOf(Props props){
  72         return context.actorOf(props);
  73     }
  74
  75     @Override
  76     public ActorSelection actorSelection(String path){
  77         return context.actorSelection(path);
  78     }
  79
  80     @Override
  81     public String getId() {
  82         return id;
  83     }
  84
  85     @Override
  86     public ActorRef getActor() {
  87         return actor;
  88     }
  89
  90     @Override
  91     public ElectionTerm getTermInformation() {
  92         return termInformation;
  93     }
  94
  95     @Override
  96     public long getCommitIndex() {
  97         return commitIndex;
  98     }
  99
 100     @Override public void setCommitIndex(long commitIndex) {
 101         this.commitIndex = commitIndex;
 102     }
 103
 104     @Override
 105     public long getLastApplied() {
 106         return lastApplied;
 107     }
 108
 109     @Override public void setLastApplied(long lastApplied) {
 110         this.lastApplied = lastApplied;
 111     }
 112
 113     @Override public void setReplicatedLog(ReplicatedLog replicatedLog) {
 114         this.replicatedLog = replicatedLog;
 115     }
 116
 117     @Override public ReplicatedLog getReplicatedLog() {
 118         return replicatedLog;
 119     }
 120
 121     @Override public ActorSystem getActorSystem() {
 122         return context.system();
 123     }
 124
 125     @Override public Logger getLogger() {
 126         return this.LOG;
 127     }
 128
 129     @Override public Map<String, String> getPeerAddresses() {
 130         return peerAddresses;
 131     }
 132
 133     @Override public String getPeerAddress(String peerId) {
 134         return peerAddresses.get(peerId);
 135     }
 136
 137     @Override public ConfigParams getConfigParams() {
 138         return configParams;
 139     }
 140
 141     @Override public void addToPeers(String name, String address) {
 142         peerAddresses.put(name, address);
 143     }
 144
 145     @Override public void removePeer(String name) {
 146         peerAddresses.remove(name);
 147     }
 148
 149     @Override public ActorSelection getPeerActorSelection(String peerId) {
 150         String peerAddress = getPeerAddress(peerId);
 151         if(peerAddress != null){
 152             return actorSelection(peerAddress);
 153         }
 154         return null;
 155     }
 156
 157     @Override public void setPeerAddress(String peerId, String peerAddress) {
 158         LOG.info("Peer address for peer {} set to {}", peerId, peerAddress);
 159         checkState(peerAddresses.containsKey(peerId), peerId + " is unknown");
 160
 161         peerAddresses.put(peerId, peerAddress);
 162     }
 163
 164     public SnapshotManager getSnapshotManager() {
 165         if(snapshotManager == null){
 166             snapshotManager = new SnapshotManager(this, LOG);
 167         }
 168         return snapshotManager;
 169     }
 170 }