Make Netty-3 dependency optional

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

diff --git a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/messages/Payload.java b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/messages/Payload.java
index b70eace11c835dc8beccb75e7c6b77ae922683c7..c75385ab1ea4f83e298d0ac1b6289b7f691a877e 100644 (file)
--- a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/messages/Payload.java
+++ b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/messages/Payload.java
@@ -7,6 +7,8 @@
  */
 package org.opendaylight.controller.cluster.raft.messages;
 
+import java.io.Serializable;
+
 /**
  * An instance of a {@link Payload} class is meant to be used as the Payload for {@link AppendEntries}.
  *
@@ -14,11 +16,31 @@ package org.opendaylight.controller.cluster.raft.messages;
  * When an actor which is derived from RaftActor attempts to persistData it must pass an instance of the Payload class.
  * Similarly when state needs to be applied to the derived RaftActor it will be passed an instance of the Payload class.
  */
-public abstract class Payload {
+public abstract class Payload implements Serializable {
+    @java.io.Serial
+    private static final long serialVersionUID = 1L;
+
     /**
      * Return the estimate of in-memory size of this payload.
      *
      * @return An estimate of the in-memory size of this payload.
      */
     public abstract int size();
+
+    /**
+     * Return the estimate of serialized size of this payload when passed through serialization. The estimate needs to
+     * be reasonably accurate and should err on the side of caution and report a slightly-higher size in face of
+     * uncertainty.
+     *
+     * @return An estimate of serialized size.
+     */
+    public abstract int serializedSize();
+
+    /**
+     * Return the serialization proxy for this object.
+     *
+     * @return Serialization proxy
+     */
+    @java.io.Serial
+    protected abstract Object writeReplace();
 }