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
index c17f5448c6e256a97c4f7134959bb6c2d88a0971..8388eaf7436f251c63aa277024bf886f803153cb 100644 (file)
@@ -8,8 +8,7 @@
 
 package org.opendaylight.controller.cluster.raft;
 
-import com.google.protobuf.ByteString;
-
+import akka.japi.Procedure;
 import java.util.List;
 
 /**
@@ -52,8 +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);
 
 
     /**
@@ -74,12 +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
@@ -115,13 +124,6 @@ public interface ReplicatedLog {
      */
     boolean isInSnapshot(long index);
 
-    /**
-     * Get the snapshot
-     *
-     * @return an object representing the snapshot if it exists. null otherwise
-     */
-    ByteString getSnapshot();
-
     /**
      * Get the index of the snapshot
      *
@@ -147,38 +149,36 @@ public interface ReplicatedLog {
      * sets snapshot term
      * @param snapshotTerm
      */
-    public void setSnapshotTerm(long snapshotTerm);
-
-    /**
-     * sets the snapshot in bytes
-     * @param snapshot
-     */
-    public void setSnapshot(ByteString snapshot);
+    void setSnapshotTerm(long snapshotTerm);
 
     /**
      * Clears the journal entries with startIndex(inclusive) and endIndex (exclusive)
      * @param startIndex
      * @param endIndex
      */
-    public void clear(int startIndex, int endIndex);
+    void clear(int startIndex, int endIndex);
 
     /**
      * Handles all the bookkeeping in order to perform a rollback in the
      * event of SaveSnapshotFailure
-     * @param snapshot
      * @param snapshotCapturedIndex
      * @param snapshotCapturedTerm
      */
-    public void snapshotPreCommit(ByteString snapshot,
-        long snapshotCapturedIndex, long snapshotCapturedTerm);
+    void snapshotPreCommit(long snapshotCapturedIndex, long snapshotCapturedTerm);
 
     /**
      * Sets the Replicated log to state after snapshot success.
      */
-    public void snapshotCommit();
+    void snapshotCommit();
 
     /**
      * Restores the replicated log to a state in the event of a save snapshot failure
      */
-    public void snapshotRollback();
+    void snapshotRollback();
+
+    /**
+     * Size of the data in the log (in bytes)
+     */
+    int dataSize();
+
 }