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%2FReplicatedLog.java;h=2b527db174300d593126c112b6ce491b06da8235;hb=c9943f5bc72d4cde9356d3bd4cf73d36f4b2f754;hp=e7f1be5ba3249788ad6bc38109541b53317955a2;hpb=5ed99696d261c5359b2e036acfd2aef864f04a7e;p=controller.git

diff --git a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/ReplicatedLog.java b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/ReplicatedLog.java
index e7f1be5ba3..2b527db174 100644
--- a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/ReplicatedLog.java
+++ b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/ReplicatedLog.java
@@ -26,20 +26,28 @@ public interface ReplicatedLog {
      * @return the ReplicatedLogEntry if found, otherwise null if the adjusted index less than 0 or
      * greater than the size of the in-memory journal.
      */
-    @Nullable ReplicatedLogEntry get(long index);
+    @Nullable
+    ReplicatedLogEntry get(long index);
 
     /**
      * Return the last replicated log entry in the log or null of not found.
+     *
+     * @return the last replicated log entry in the log or null of not found.
      */
-    @Nullable ReplicatedLogEntry last();
+    @Nullable
+    ReplicatedLogEntry last();
 
     /**
      * Return the index of the last entry in the log or -1 if the log is empty.
+     *
+     * @return the index of the last entry in the log or -1 if the log is empty.
      */
     long lastIndex();
 
     /**
      * Return the term of the last entry in the log or -1 if the log is empty.
+     *
+     * @return the term of the last entry in the log or -1 if the log is empty.
      */
     long lastTerm();
 
@@ -85,6 +93,12 @@ public interface ReplicatedLog {
      */
     void appendAndPersist(final ReplicatedLogEntry replicatedLogEntry);
 
+    /**
+     * Appends an entry to the in-memory log and persists it as well.
+     *
+     * @param replicatedLogEntry the entry to append
+     * @param callback the Procedure to be notified when persistence is complete.
+     */
     void appendAndPersist(ReplicatedLogEntry replicatedLogEntry, Procedure<ReplicatedLogEntry> callback);
 
     /**
@@ -182,14 +196,16 @@ public interface ReplicatedLog {
     void snapshotRollback();
 
     /**
-     * Size of the data in the log (in bytes)
+     * Returns the size of the data in the log (in bytes)
+     *
+     * @return the size of the data in the log (in bytes).
      */
     int dataSize();
 
     /**
-     * We decide if snapshot need to be captured based on the count/memory consumed.
-     * @param replicatedLogEntry
+     * Determines if a snapshot need to be captured based on the count/memory consumed.
+     *
+     * @param replicatedLogEntry the last log entry.
      */
     void captureSnapshotIfReady(ReplicatedLogEntry replicatedLogEntry);
-
 }