X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-akka-raft%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fraft%2FFollowerLogInformation.java;h=6618a97f21f0d1b7145abc77171a950d9bf9d1e8;hp=07b6b617aaa862b472fb479be247479e1096f434;hb=250f3f77c80284536cc32e96739f713d21844103;hpb=edfebf2ecb683a0b16286977c43efa5a67b6744a

diff --git a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/FollowerLogInformation.java b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/FollowerLogInformation.java
index 07b6b617aa..6618a97f21 100644
--- a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/FollowerLogInformation.java
+++ b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/FollowerLogInformation.java
@@ -14,13 +14,15 @@ public interface FollowerLogInformation {
 
     /**
      * Increment the value of the nextIndex
-     * @return
+     *
+     * @return the new value of nextIndex
      */
     long incrNextIndex();
 
     /**
      * Decrement the value of the nextIndex
-     * @return
+     *
+     * @return the new value of nextIndex
      */
     long decrNextIndex();
 
@@ -35,7 +37,8 @@ public interface FollowerLogInformation {
 
     /**
      * Increment the value of the matchIndex
-     * @return
+     *
+     * @return the new value of matchIndex
      */
     long incrMatchIndex();
 
@@ -49,28 +52,25 @@ public interface FollowerLogInformation {
     boolean setMatchIndex(long matchIndex);
 
     /**
-     * The identifier of the follower
-     * This could simply be the url of the remote actor
+     *
+     * @return the identifier of the follower. This could simply be the url of the remote actor.
      */
     String getId();
 
     /**
-     * for each server, index of the next log entry
-     * to send to that server (initialized to leader
-     *    last log index + 1)
+     * @return index of the next log entry to send to that server (initialized to leader last log index + 1)
      */
     long getNextIndex();
 
     /**
-     * for each server, index of highest log entry
-     * known to be replicated on server
-     *    (initialized to 0, increases monotonically)
+     * @return index of highest log entry known to be replicated on server (initialized to 0, increases monotonically)
      */
     long getMatchIndex();
 
     /**
      * Checks if the follower is active by comparing the last updated with the duration
-     * @return boolean
+     *
+     * @return true if follower is active, false otherwise
      */
     boolean isFollowerActive();
 
@@ -87,14 +87,25 @@ public interface FollowerLogInformation {
 
     /**
      * This will return the active time of follower, since it was last reset
-     * @return time in milliseconds
+     *
+     * @return time in milliseconds since the last activity from the follower
      */
     long timeSinceLastActivity();
 
     /**
      * This method checks if it is ok to replicate
      *
-     * @return true if it is ok to replicate
+     * @return true if it is ok to replicate, false otherwise
      */
     boolean okToReplicate();
+
+    /**
+     * @return the payload data version of the follower.
+     */
+    short getPayloadVersion();
+
+    /**
+     * Sets the payload data version of the follower.
+     */
+    void setPayloadVersion(short payloadVersion);
 }