Reduce JSR305 proliferation

[controller.git] / opendaylight / md-sal / sal-akka-raft / src / main / java / org / opendaylight / controller / cluster / raft / base / messages / ApplySnapshot.java

diff --git a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/base/messages/ApplySnapshot.java b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/base/messages/ApplySnapshot.java
index c356804223c696e83f10c73e17da35d63d419c85..c9660d9a4a2405e8cb7dbea3abd7721816007264 100644 (file)
--- a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/base/messages/ApplySnapshot.java
+++ b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/base/messages/ApplySnapshot.java
@@ -5,24 +5,53 @@
  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
  * and is available at http://www.eclipse.org/legal/epl-v10.html
  */
-
 package org.opendaylight.controller.cluster.raft.base.messages;
 
-import org.opendaylight.controller.cluster.raft.Snapshot;
+import static java.util.Objects.requireNonNull;
 
-import java.io.Serializable;
+import akka.dispatch.ControlMessage;
+import org.eclipse.jdt.annotation.NonNull;
+import org.opendaylight.controller.cluster.raft.persisted.Snapshot;
 
 /**
- * Internal message, issued by follower to its actor
+ * Internal message, issued by follower to its actor.
  */
-public class ApplySnapshot implements Serializable {
+public class ApplySnapshot implements ControlMessage {
+    private static final Callback NOOP_CALLBACK = new Callback() {
+        @Override
+        public void onSuccess() {
+            // No-op
+        }
+
+        @Override
+        public void onFailure() {
+            // No-op
+        }
+    };
+
     private final Snapshot snapshot;
+    private final Callback callback;
+
+    public ApplySnapshot(@NonNull Snapshot snapshot) {
+        this(snapshot, NOOP_CALLBACK);
+    }
 
-    public ApplySnapshot(Snapshot snapshot) {
-        this.snapshot = snapshot;
+    public ApplySnapshot(@NonNull Snapshot snapshot, @NonNull Callback callback) {
+        this.snapshot = requireNonNull(snapshot);
+        this.callback = requireNonNull(callback);
     }
 
-    public Snapshot getSnapshot() {
+    public @NonNull Snapshot getSnapshot() {
         return snapshot;
     }
+
+    public @NonNull Callback getCallback() {
+        return callback;
+    }
+
+    public interface Callback {
+        void onSuccess();
+
+        void onFailure();
+    }
 }