import akka.actor.ActorSystem;
import akka.actor.Props;
import akka.actor.UntypedActorContext;
+import akka.event.LoggingAdapter;
-import java.util.concurrent.atomic.AtomicLong;
+import java.util.Map;
+
+import static com.google.common.base.Preconditions.checkState;
public class RaftActorContextImpl implements RaftActorContext{
private final ElectionTerm termInformation;
- private final AtomicLong commitIndex;
+ private long commitIndex;
- private final AtomicLong lastApplied;
+ private long lastApplied;
private final ReplicatedLog replicatedLog;
+ private final Map<String, String> peerAddresses;
+
+ private final LoggingAdapter LOG;
+
public RaftActorContextImpl(ActorRef actor, UntypedActorContext context,
String id,
- ElectionTerm termInformation, AtomicLong commitIndex,
- AtomicLong lastApplied, ReplicatedLog replicatedLog) {
+ ElectionTerm termInformation, long commitIndex,
+ long lastApplied, ReplicatedLog replicatedLog, Map<String, String> peerAddresses, LoggingAdapter logger) {
this.actor = actor;
this.context = context;
this.id = id;
this.commitIndex = commitIndex;
this.lastApplied = lastApplied;
this.replicatedLog = replicatedLog;
+ this.peerAddresses = peerAddresses;
+ this.LOG = logger;
}
public ActorRef actorOf(Props props){
return termInformation;
}
- public AtomicLong getCommitIndex() {
+ public long getCommitIndex() {
return commitIndex;
}
- public AtomicLong getLastApplied() {
+ @Override public void setCommitIndex(long commitIndex) {
+ this.commitIndex = commitIndex;
+ }
+
+ public long getLastApplied() {
return lastApplied;
}
+ @Override public void setLastApplied(long lastApplied) {
+ this.lastApplied = lastApplied;
+ }
+
@Override public ReplicatedLog getReplicatedLog() {
return replicatedLog;
}
@Override public ActorSystem getActorSystem() {
return context.system();
}
+
+ @Override public LoggingAdapter getLogger() {
+ return this.LOG;
+ }
+
+ @Override public Map<String, String> getPeerAddresses() {
+ return peerAddresses;
+ }
+
+ @Override public String getPeerAddress(String peerId) {
+ return peerAddresses.get(peerId);
+ }
+
+ @Override public void addToPeers(String name, String address) {
+ peerAddresses.put(name, address);
+ }
+
+ @Override public void removePeer(String name) {
+ peerAddresses.remove(name);
+ }
+
+ @Override public ActorSelection getPeerActorSelection(String peerId) {
+ String peerAddress = getPeerAddress(peerId);
+ if(peerAddress != null){
+ return actorSelection(peerAddress);
+ }
+ return null;
+ }
+
+ @Override public void setPeerAddress(String peerId, String peerAddress) {
+ LOG.info("Peer address for peer {} set to {}", peerId, peerAddress);
+ checkState(peerAddresses.containsKey(peerId), peerId + " is unknown");
+
+ peerAddresses.put(peerId, peerAddress);
+ }
}