Merge "Update lispflowmapping options in custom.properties"

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

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 e6e160bc02bf1fd72305325aefc91a1ac2a9fac0..8388eaf7436f251c63aa277024bf886f803153cb 100644 (file)
--- 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
@@ -8,6 +8,7 @@
 
 package org.opendaylight.controller.cluster.raft;
 
+import akka.japi.Procedure;
 import java.util.List;
 
 /**
@@ -50,8 +51,9 @@ public interface ReplicatedLog {
      * information
      *
      * @param index the index of the log entry
+     * @return the adjusted index of the first log entry removed or -1 if log entry not found.
      */
-    void removeFrom(long index);
+    long removeFrom(long index);
 
 
     /**
@@ -72,12 +74,21 @@ public interface ReplicatedLog {
      */
     void append(ReplicatedLogEntry replicatedLogEntry);
 
+    /**
+     * Optimization method to increase the capacity of the journal log prior to appending entries.
+     *
+     * @param amount the amount to increase by
+     */
+    void increaseJournalLogCapacity(int amount);
+
     /**
      *
      * @param replicatedLogEntry
      */
     void appendAndPersist(final ReplicatedLogEntry replicatedLogEntry);
 
+    void appendAndPersist(ReplicatedLogEntry replicatedLogEntry, Procedure<ReplicatedLogEntry> callback);
+
     /**
      *
      * @param index the index of the log entry
@@ -113,13 +124,6 @@ public interface ReplicatedLog {
      */
     boolean isInSnapshot(long index);
 
-    /**
-     * Get the snapshot
-     *
-     * @return an object representing the snapshot if it exists. null otherwise
-     */
-    Object getSnapshot();
-
     /**
      * Get the index of the snapshot
      *
@@ -134,4 +138,47 @@ public interface ReplicatedLog {
      * otherwise
      */
     long getSnapshotTerm();
+
+    /**
+     * sets the snapshot index in the replicated log
+     * @param snapshotIndex
+     */
+    void setSnapshotIndex(long snapshotIndex);
+
+    /**
+     * sets snapshot term
+     * @param snapshotTerm
+     */
+    void setSnapshotTerm(long snapshotTerm);
+
+    /**
+     * Clears the journal entries with startIndex(inclusive) and endIndex (exclusive)
+     * @param startIndex
+     * @param endIndex
+     */
+    void clear(int startIndex, int endIndex);
+
+    /**
+     * Handles all the bookkeeping in order to perform a rollback in the
+     * event of SaveSnapshotFailure
+     * @param snapshotCapturedIndex
+     * @param snapshotCapturedTerm
+     */
+    void snapshotPreCommit(long snapshotCapturedIndex, long snapshotCapturedTerm);
+
+    /**
+     * Sets the Replicated log to state after snapshot success.
+     */
+    void snapshotCommit();
+
+    /**
+     * Restores the replicated log to a state in the event of a save snapshot failure
+     */
+    void snapshotRollback();
+
+    /**
+     * Size of the data in the log (in bytes)
+     */
+    int dataSize();
+
 }