Take snapshot after recovery on migrated messages

[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 9739fb2f1b0ccb42e5fcd0446e5769194797be31..d4498221638a147dbcd8edf3d17ea46bb895e43b 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
@@ -8,16 +8,51 @@
 
 package org.opendaylight.controller.cluster.raft.base.messages;
 
-import java.io.Serializable;
+import com.google.common.base.Preconditions;
+import javax.annotation.Nonnull;
+import org.opendaylight.controller.cluster.raft.Snapshot;
 
-public class ApplySnapshot implements Serializable {
-    private final Object snapshot;
+/**
+ * Internal message, issued by follower to its actor
+ */
+public class ApplySnapshot {
+    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(Snapshot snapshot) {
+        this(snapshot, NOOP_CALLBACK);
+    }
 
-    public ApplySnapshot(Object snapshot) {
-        this.snapshot = snapshot;
+    public ApplySnapshot(@Nonnull Snapshot snapshot, @Nonnull Callback callback) {
+        this.snapshot = Preconditions.checkNotNull(snapshot);
+        this.callback = Preconditions.checkNotNull(callback);
     }
 
-    public Object getSnapshot() {
+    @Nonnull
+    public Snapshot getSnapshot() {
         return snapshot;
     }
+
+    @Nonnull
+    public Callback getCallback() {
+        return callback;
+    }
+
+    public interface Callback {
+        void onSuccess();
+
+        void onFailure();
+    }
 }