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%2FReplicatedLog.java;h=8388eaf7436f251c63aa277024bf886f803153cb;hp=c17f5448c6e256a97c4f7134959bb6c2d88a0971;hb=f9a9cd1ea40d2477ccb16b03c71a87595226595a;hpb=35f74293edf98402e2b622e060185f7874d10857 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 c17f5448c6..8388eaf743 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 @@ -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 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(); + }