Reduce JSR305 proliferation

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

diff --git a/opendaylight/md-sal/sal-akka-raft-example/src/main/java/org/opendaylight/controller/cluster/example/ExampleActor.java b/opendaylight/md-sal/sal-akka-raft-example/src/main/java/org/opendaylight/controller/cluster/example/ExampleActor.java
index 5cd4c14ee40783cb3b00507896d769621293469c..a2bcc8a724f68ec05f2c9c57440084fb8368dcb6 100644 (file)
--- a/opendaylight/md-sal/sal-akka-raft-example/src/main/java/org/opendaylight/controller/cluster/example/ExampleActor.java
+++ b/opendaylight/md-sal/sal-akka-raft-example/src/main/java/org/opendaylight/controller/cluster/example/ExampleActor.java
@@ -18,7 +18,6 @@ import java.io.OutputStream;
 import java.io.Serializable;
 import java.util.HashMap;
 import java.util.Map;
-import javax.annotation.Nonnull;
 import org.apache.commons.lang3.SerializationUtils;
 import org.opendaylight.controller.cluster.example.messages.KeyValue;
 import org.opendaylight.controller.cluster.example.messages.KeyValueSaved;
@@ -38,7 +37,7 @@ import org.opendaylight.yangtools.concepts.Identifier;
 import org.opendaylight.yangtools.util.AbstractStringIdentifier;
 
 /**
- * A sample actor showing how the RaftActor is to be extended
+ * A sample actor showing how the RaftActor is to be extended.
  */
 public class ExampleActor extends RaftActor implements RaftActorRecoveryCohort, RaftActorSnapshotCohort {
     private static final class PayloadIdentifier extends AbstractStringIdentifier<PayloadIdentifier> {
@@ -50,10 +49,9 @@ public class ExampleActor extends RaftActor implements RaftActorRecoveryCohort,
     }
 
     private final Map<String, String> state = new HashMap<>();
-
-    private long persistIdentifier = 1;
     private final Optional<ActorRef> roleChangeNotifier;
 
+    private long persistIdentifier = 1;
 
     public ExampleActor(String id, Map<String, String> peerAddresses,
         Optional<ConfigParams> configParams) {
@@ -69,23 +67,23 @@ public class ExampleActor extends RaftActor implements RaftActorRecoveryCohort,
 
     @Override
     protected void handleNonRaftCommand(Object message) {
-        if(message instanceof KeyValue){
-            if(isLeader()) {
+        if (message instanceof KeyValue) {
+            if (isLeader()) {
                 persistData(getSender(), new PayloadIdentifier(persistIdentifier++), (Payload) message, false);
             } else {
-                if(getLeader() != null) {
+                if (getLeader() != null) {
                     getLeader().forward(message, getContext());
                 }
             }
 
         } else if (message instanceof PrintState) {
-            if(LOG.isDebugEnabled()) {
+            if (LOG.isDebugEnabled()) {
                 LOG.debug("State of the node:{} has entries={}, {}",
                     getId(), state.size(), getReplicatedLogState());
             }
 
         } else if (message instanceof PrintRole) {
-            if(LOG.isDebugEnabled()) {
+            if (LOG.isDebugEnabled()) {
                 if (getRaftState() == RaftState.Leader || getRaftState() == RaftState.IsolatedLeader) {
                     final String followers = ((Leader)this.getCurrentBehavior()).printFollowerStates();
                     LOG.debug("{} = {}, Peers={}, followers={}", getId(), getRaftState(),
@@ -122,22 +120,23 @@ public class ExampleActor extends RaftActor implements RaftActorRecoveryCohort,
 
     @Override
     protected void applyState(final ActorRef clientActor, final Identifier identifier, final Object data) {
-        if(data instanceof KeyValue){
+        if (data instanceof KeyValue) {
             KeyValue kv = (KeyValue) data;
             state.put(kv.getKey(), kv.getValue());
-            if(clientActor != null) {
+            if (clientActor != null) {
                 clientActor.tell(new KeyValueSaved(), getSelf());
             }
         }
     }
 
     @Override
+    @SuppressWarnings("checkstyle:IllegalCatch")
     public void createSnapshot(ActorRef actorRef, java.util.Optional<OutputStream> installSnapshotStream) {
         try {
             if (installSnapshotStream.isPresent()) {
                 SerializationUtils.serialize((Serializable) state, installSnapshotStream.get());
             }
-        } catch (Exception e) {
+        } catch (RuntimeException e) {
             LOG.error("Exception in creating snapshot", e);
         }
 
@@ -147,26 +146,24 @@ public class ExampleActor extends RaftActor implements RaftActorRecoveryCohort,
     @Override
     public void applySnapshot(Snapshot.State snapshotState) {
         state.clear();
-        try {
-            state.putAll(((MapState)snapshotState).state);
-        } catch (Exception e) {
-           LOG.error("Exception in applying snapshot", e);
-        }
-        if(LOG.isDebugEnabled()) {
-            LOG.debug("Snapshot applied to state : {}", ((HashMap<?, ?>) state).size());
+        state.putAll(((MapState)snapshotState).state);
+
+        if (LOG.isDebugEnabled()) {
+            LOG.debug("Snapshot applied to state : {}", state.size());
         }
     }
 
-    @Override protected void onStateChanged() {
+    @Override
+    protected void onStateChanged() {
 
     }
 
-    @Override public String persistenceId() {
+    @Override
+    public String persistenceId() {
         return getId();
     }
 
     @Override
-    @Nonnull
     protected RaftActorRecoveryCohort getRaftActorRecoveryCohort() {
         return this;
     }
@@ -201,21 +198,16 @@ public class ExampleActor extends RaftActor implements RaftActorRecoveryCohort,
         return null;
     }
 
+    @SuppressWarnings("unchecked")
     @Override
     public Snapshot.State deserializeSnapshot(ByteSource snapshotBytes) {
         try {
-            return deserializePreCarbonSnapshot(snapshotBytes.read());
+            return new MapState((Map<String, String>) SerializationUtils.deserialize(snapshotBytes.read()));
         } catch (IOException e) {
             throw Throwables.propagate(e);
         }
     }
 
-    @SuppressWarnings("unchecked")
-    @Override
-    public Snapshot.State deserializePreCarbonSnapshot(byte[] from) {
-        return new MapState((Map<String, String>) SerializationUtils.deserialize(from));
-    }
-
     private static class MapState implements Snapshot.State {
         private static final long serialVersionUID = 1L;