Merge "BUG-2627: do not duplicate descriptions"

[controller.git] / opendaylight / md-sal / sal-akka-raft / src / main / java / org / opendaylight / controller / cluster / example / ExampleActor.java

diff --git a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/example/ExampleActor.java b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/example/ExampleActor.java
index 04df7785ad8d27c69e77f9e0cd85a5cbb64208b0..c5ae4c41b2f4822a04ca9da300171ae2e618d52e 100644 (file)
--- a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/example/ExampleActor.java
+++ b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/example/ExampleActor.java
@@ -10,54 +10,53 @@ package org.opendaylight.controller.cluster.example;
 
 import akka.actor.ActorRef;
 import akka.actor.Props;
-import akka.japi.Creator;
-
 import com.google.common.base.Optional;
 import com.google.protobuf.ByteString;
-
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.util.HashMap;
+import java.util.Map;
+import org.opendaylight.controller.cluster.DataPersistenceProvider;
 import org.opendaylight.controller.cluster.example.messages.KeyValue;
 import org.opendaylight.controller.cluster.example.messages.KeyValueSaved;
 import org.opendaylight.controller.cluster.example.messages.PrintRole;
 import org.opendaylight.controller.cluster.example.messages.PrintState;
+import org.opendaylight.controller.cluster.notifications.RoleChangeNotifier;
 import org.opendaylight.controller.cluster.raft.ConfigParams;
 import org.opendaylight.controller.cluster.raft.RaftActor;
+import org.opendaylight.controller.cluster.raft.RaftState;
 import org.opendaylight.controller.cluster.raft.base.messages.CaptureSnapshotReply;
+import org.opendaylight.controller.cluster.raft.behaviors.Leader;
 import org.opendaylight.controller.cluster.raft.protobuff.client.messages.Payload;
 
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.ObjectInputStream;
-import java.io.ObjectOutputStream;
-import java.util.HashMap;
-import java.util.Map;
-
 /**
  * A sample actor showing how the RaftActor is to be extended
  */
 public class ExampleActor extends RaftActor {
 
     private final Map<String, String> state = new HashMap();
+    private final DataPersistenceProvider dataPersistenceProvider;
 
     private long persistIdentifier = 1;
+    private final Optional<ActorRef> roleChangeNotifier;
 
 
     public ExampleActor(String id, Map<String, String> peerAddresses,
         Optional<ConfigParams> configParams) {
         super(id, peerAddresses, configParams);
+        this.dataPersistenceProvider = new PersistentDataProvider();
+        roleChangeNotifier = createRoleChangeNotifier(id);
     }
 
     public static Props props(final String id, final Map<String, String> peerAddresses,
-        final Optional<ConfigParams> configParams){
-        return Props.create(new Creator<ExampleActor>(){
-
-            @Override public ExampleActor create() throws Exception {
-                return new ExampleActor(id, peerAddresses, configParams);
-            }
-        });
+            final Optional<ConfigParams> configParams) {
+        return Props.create(ExampleActor.class, id, peerAddresses, configParams);
     }
 
-    @Override public void onReceiveCommand(Object message){
+    @Override public void onReceiveCommand(Object message) throws Exception{
         if(message instanceof KeyValue){
             if(isLeader()) {
                 String persistId = Long.toString(persistIdentifier++);
@@ -76,7 +75,16 @@ public class ExampleActor extends RaftActor {
 
         } else if (message instanceof PrintRole) {
             if(LOG.isDebugEnabled()) {
-                LOG.debug("{} = {}, Peers={}", getId(), getRaftState(), getPeers());
+                if (getRaftState() == RaftState.Leader || getRaftState() == RaftState.IsolatedLeader) {
+                    final String followers = ((Leader)this.getCurrentBehavior()).printFollowerStates();
+                    LOG.debug("{} = {}, Peers={}, followers={}", getId(), getRaftState(),
+                        getRaftActorContext().getPeerAddresses().keySet(), followers);
+                } else {
+                    LOG.debug("{} = {}, Peers={}", getId(), getRaftState(),
+                        getRaftActorContext().getPeerAddresses().keySet());
+                }
+
+
             }
 
         } else {
@@ -84,8 +92,25 @@ public class ExampleActor extends RaftActor {
         }
     }
 
-    @Override protected void applyState(ActorRef clientActor, String identifier,
-        Object data) {
+    protected String getReplicatedLogState() {
+        return "snapshotIndex=" + getRaftActorContext().getReplicatedLog().getSnapshotIndex()
+            + ", snapshotTerm=" + getRaftActorContext().getReplicatedLog().getSnapshotTerm()
+            + ", im-mem journal size=" + getRaftActorContext().getReplicatedLog().size();
+    }
+
+    public Optional<ActorRef> createRoleChangeNotifier(String actorId) {
+        ActorRef exampleRoleChangeNotifier = this.getContext().actorOf(
+            RoleChangeNotifier.getProps(actorId), actorId + "-notifier");
+        return Optional.<ActorRef>of(exampleRoleChangeNotifier);
+    }
+
+    @Override
+    protected Optional<ActorRef> getRoleChangeNotifier() {
+        return roleChangeNotifier;
+    }
+
+    @Override protected void applyState(final ActorRef clientActor, final String identifier,
+        final Object data) {
         if(data instanceof KeyValue){
             KeyValue kv = (KeyValue) data;
             state.put(kv.getKey(), kv.getValue());
@@ -102,10 +127,10 @@ public class ExampleActor extends RaftActor {
         } catch (Exception e) {
             LOG.error("Exception in creating snapshot", e);
         }
-        getSelf().tell(new CaptureSnapshotReply(bs), null);
+        getSelf().tell(new CaptureSnapshotReply(bs.toByteArray()), null);
     }
 
-    @Override protected void applySnapshot(ByteString snapshot) {
+    @Override protected void applySnapshot(byte [] snapshot) {
         state.clear();
         try {
             state.putAll((HashMap) toObject(snapshot));
@@ -113,7 +138,7 @@ public class ExampleActor extends RaftActor {
            LOG.error("Exception in applying snapshot", e);
         }
         if(LOG.isDebugEnabled()) {
-            LOG.debug("Snapshot applied to state :" + ((HashMap) state).size());
+            LOG.debug("Snapshot applied to state : {}", ((HashMap) state).size());
         }
     }
 
@@ -137,12 +162,12 @@ public class ExampleActor extends RaftActor {
         }
     }
 
-    private Object toObject(ByteString bs) throws ClassNotFoundException, IOException {
+    private Object toObject(byte [] bs) throws ClassNotFoundException, IOException {
         Object obj = null;
         ByteArrayInputStream bis = null;
         ObjectInputStream ois = null;
         try {
-            bis = new ByteArrayInputStream(bs.toByteArray());
+            bis = new ByteArrayInputStream(bs);
             ois = new ObjectInputStream(bis);
             obj = ois.readObject();
         } finally {
@@ -160,7 +185,12 @@ public class ExampleActor extends RaftActor {
 
     }
 
-    @Override public void onReceiveRecover(Object message) {
+    @Override
+    protected DataPersistenceProvider persistence() {
+        return dataPersistenceProvider;
+    }
+
+    @Override public void onReceiveRecover(Object message)throws Exception {
         super.onReceiveRecover(message);
     }
 
@@ -185,6 +215,6 @@ public class ExampleActor extends RaftActor {
     }
 
     @Override
-    protected void applyRecoverySnapshot(ByteString snapshot) {
+    protected void applyRecoverySnapshot(byte[] snapshot) {
     }
 }