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%2FConfigParams.java;h=8d6b965d9bc7950727b47104da5b9a7db42dc3f1;hp=4c6434aec457db0b4899973f36effd0b37e7d14a;hb=b25ae9347455b1bae8f25424a9ceffc017f2f0db;hpb=eb887b1c2c8cd2768f8b4c2ed2b5054f97798466

diff --git a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/ConfigParams.java b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/ConfigParams.java
index 4c6434aec4..8d6b965d9b 100644
--- a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/ConfigParams.java
+++ b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/ConfigParams.java
@@ -7,49 +7,136 @@
  */
 package org.opendaylight.controller.cluster.raft;
 
+import javax.annotation.Nonnull;
+import org.opendaylight.controller.cluster.raft.policy.RaftPolicy;
 import scala.concurrent.duration.FiniteDuration;
 
 /**
  * Configuration Parameter interface for configuring the Raft consensus system
- * <p/>
+ *
+ * <p>
  * Any component using this implementation might want to provide an implementation of
  * this interface to configure
  *
+ * <p>
  * A default implementation will be used if none is provided.
  *
  * @author Kamal Rameshan
  */
 public interface ConfigParams {
+    int MEGABYTE = 1048576;
+
+    /**
+     * Returns the minimum number of entries to be present in the in-memory Raft log for a snapshot to be taken.
+     *
+     * @return the minimum number of entries.
+     */
+    long getSnapshotBatchCount();
+
+    /**
+     * Returns the percentage of total memory used in the in-memory Raft log before a snapshot should be taken.
+     *
+     * @return the percentage.
+     */
+    int getSnapshotDataThresholdPercentage();
+
+    /**
+     * Returns the interval at which a heart beat message should be sent to remote followers.
+     *
+     * @return the interval as a FiniteDuration.
+     */
+    FiniteDuration getHeartBeatInterval();
+
+    /**
+     * Returns the interval after which a new election should be triggered if no leader is available.
+     *
+     * @return the interval as a FiniteDuration.
+     */
+    FiniteDuration getElectionTimeOutInterval();
+
     /**
-     * The minimum number of entries to be present in the in-memory Raft log
-     * for a snapshot to be taken
+     * Returns the maximum election time variance. The election is scheduled using both the election timeout
+     * and variance.
      *
-     * @return long
+     * @return the election time variance.
      */
-    public long getSnapshotBatchCount();
+    int getElectionTimeVariance();
 
     /**
-     * The interval at which a heart beat message will be sent to the remote
-     * RaftActor
+     * Returns the maximum size (in bytes) for the snapshot chunk sent from a Leader.
      *
-     * @return FiniteDuration
+     * @return the maximum size (in bytes).
      */
-    public FiniteDuration getHeartBeatInterval();
+    int getSnapshotChunkSize();
 
     /**
-     * The interval in which a new election would get triggered if no leader is found
+     * Returns the maximum number of journal log entries to batch on recovery before applying.
      *
-     * Normally its set to atleast twice the heart beat interval
+     * @return the maximum number of journal log entries.
+     */
+    int getJournalRecoveryLogBatchSize();
+
+    /**
+     * Returns the interval in which the leader needs to check if its isolated.
+     *
+     * @return the interval in ms.
+     */
+    long getIsolatedCheckIntervalInMillis();
+
+
+    /**
+     * Returns the multiplication factor to be used to determine the shard election timeout. The election timeout
+     * is determined by multiplying the election timeout factor with the heart beat duration.
+     *
+     * @return the election timeout factor.
+     */
+    long getElectionTimeoutFactor();
+
+
+    /**
+     * Returns the RaftPolicy used to determine certain Raft behaviors.
+     *
+     * @return an instance of RaftPolicy, if set, or an instance of the DefaultRaftPolicy.
+     */
+    @Nonnull
+    RaftPolicy getRaftPolicy();
+
+    /**
+     * Returns the PeerAddressResolver.
+     *
+     * @return the PeerAddressResolver instance.
+     */
+    @Nonnull
+    PeerAddressResolver getPeerAddressResolver();
+
+    /**
+     * Returns the custom RaftPolicy class name.
+     *
+     * @return the RaftPolicy class name or null if none set.
+     */
+    String getCustomRaftPolicyImplementationClass();
+
+    /**
+     * Returns the directory in which to create temp files.
+     *
+     * @return the directory in which to create temp files.
+     */
+    @Nonnull
+    String getTempFileDirectory();
+
+    /**
+     * Returns the threshold in terms of number of bytes when streaming data before it should switch from storing in
+     * memory to buffering to a file.
      *
-     * @return FiniteDuration
+     * @return the threshold in terms of number of bytes.
      */
-    public FiniteDuration getElectionTimeOutInterval();
+    int getFileBackedStreamingThreshold();
 
     /**
-     * The maximum election time variance. The election is scheduled using both
-     * the Election Timeout and Variance
+     * Returns the threshold in terms of number journal entries that we can lag behind a leader until we raise a
+     * 'not synced' transition.
      *
-     * @return int
+     * @return the threshold in terms of number of journal entries.
      */
-    public int getElectionTimeVariance();
+    long getSyncIndexThreshold();
 }