X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-akka-raft%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fraft%2FFollowerLogInformation.java;h=07b6b617aaa862b472fb479be247479e1096f434;hb=d1d24d3742ffcda5e16a1d35e15a5627d5eb05f9;hp=73c81afd187d2791703c1428beacbc8348abda69;hpb=20156b149d56b1b14a06d344366b8e1af1c22fe8;p=controller.git

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 73c81afd18..07b6b617aa 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
@@ -25,10 +25,13 @@ public interface FollowerLogInformation {
     long decrNextIndex();
 
     /**
+     * Sets the index of the next log entry for this follower.
      *
      * @param nextIndex
+     * @return true if the new index differed from the current index and the current index was updated, false
+     *              otherwise.
      */
-    void setNextIndex(long nextIndex);
+    boolean setNextIndex(long nextIndex);
 
     /**
      * Increment the value of the matchIndex
@@ -36,7 +39,14 @@ public interface FollowerLogInformation {
      */
     long incrMatchIndex();
 
-    void setMatchIndex(long matchIndex);
+    /**
+     * Sets the index of the highest log entry for this follower.
+     *
+     * @param matchIndex
+     * @return true if the new index differed from the current index and the current index was updated, false
+     *              otherwise.
+     */
+    boolean setMatchIndex(long matchIndex);
 
     /**
      * The identifier of the follower
@@ -81,4 +91,10 @@ public interface FollowerLogInformation {
      */
     long timeSinceLastActivity();
 
+    /**
+     * This method checks if it is ok to replicate
+     *
+     * @return true if it is ok to replicate
+     */
+    boolean okToReplicate();
 }