Merge "Bug 1875 - Used variables for nexusproxy host, externalized versions"

[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 641ec0582c3790cac20a6b7102ad5e12134e72e1..3bfdf732cf01cd3d3898158bc4b8e62585e5a9f5 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
@@ -11,13 +11,22 @@ 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 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.raft.ConfigParams;
 import org.opendaylight.controller.cluster.raft.RaftActor;
+import org.opendaylight.controller.cluster.raft.base.messages.CaptureSnapshotReply;
 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;
 
@@ -31,15 +40,17 @@ public class ExampleActor extends RaftActor {
     private long persistIdentifier = 1;
 
 
-    public ExampleActor(String id, Map<String, String> peerAddresses) {
-        super(id, peerAddresses);
+    public ExampleActor(String id, Map<String, String> peerAddresses,
+        Optional<ConfigParams> configParams) {
+        super(id, peerAddresses, configParams);
     }
 
-    public static Props props(final String id, final Map<String, String> peerAddresses){
+    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);
+                return new ExampleActor(id, peerAddresses, configParams);
             }
         });
     }
@@ -56,10 +67,16 @@ public class ExampleActor extends RaftActor {
             }
 
         } else if (message instanceof PrintState) {
-            LOG.debug("State of the node:"+getId() + " has = "+state.size() + " entries");
+            if(LOG.isDebugEnabled()) {
+                LOG.debug("State of the node:{} has entries={}, {}",
+                    getId(), state.size(), getReplicatedLogState());
+            }
 
         } else if (message instanceof PrintRole) {
-            LOG.debug(getId() + " = " + getRaftState());
+            if(LOG.isDebugEnabled()) {
+                LOG.debug("{} = {}, Peers={}", getId(), getRaftState(), getPeers());
+            }
+
         } else {
             super.onReceiveCommand(message);
         }
@@ -76,13 +93,69 @@ public class ExampleActor extends RaftActor {
         }
     }
 
-    @Override protected Object createSnapshot() {
-        return state;
+    @Override protected void createSnapshot() {
+        ByteString bs = null;
+        try {
+            bs = fromObject(state);
+        } catch (Exception e) {
+            LOG.error("Exception in creating snapshot", e);
+        }
+        getSelf().tell(new CaptureSnapshotReply(bs), null);
     }
 
-    @Override protected void applySnapshot(Object snapshot) {
+    @Override protected void applySnapshot(ByteString snapshot) {
         state.clear();
-        state.putAll((HashMap) snapshot);
+        try {
+            state.putAll((HashMap) toObject(snapshot));
+        } catch (Exception e) {
+           LOG.error("Exception in applying snapshot", e);
+        }
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("Snapshot applied to state :" + ((HashMap) state).size());
+        }
+    }
+
+    private ByteString fromObject(Object snapshot) throws Exception {
+        ByteArrayOutputStream b = null;
+        ObjectOutputStream o = null;
+        try {
+            b = new ByteArrayOutputStream();
+            o = new ObjectOutputStream(b);
+            o.writeObject(snapshot);
+            byte[] snapshotBytes = b.toByteArray();
+            return ByteString.copyFrom(snapshotBytes);
+        } finally {
+            if (o != null) {
+                o.flush();
+                o.close();
+            }
+            if (b != null) {
+                b.close();
+            }
+        }
+    }
+
+    private Object toObject(ByteString bs) throws ClassNotFoundException, IOException {
+        Object obj = null;
+        ByteArrayInputStream bis = null;
+        ObjectInputStream ois = null;
+        try {
+            bis = new ByteArrayInputStream(bs.toByteArray());
+            ois = new ObjectInputStream(bis);
+            obj = ois.readObject();
+        } finally {
+            if (bis != null) {
+                bis.close();
+            }
+            if (ois != null) {
+                ois.close();
+            }
+        }
+        return obj;
+    }
+
+    @Override protected void onStateChanged() {
+
     }
 
     @Override public void onReceiveRecover(Object message) {