Package org.opendaylight.controller.cluster.raft.policy

Class DefaultRaftPolicy

java.lang.Object

org.opendaylight.controller.cluster.raft.policy.DefaultRaftPolicy

All Implemented Interfaces:

RaftPolicy

public class DefaultRaftPolicy
extends Object
implements RaftPolicy

Field Summary

Fields

Modifier and Type	Field	Description
static final RaftPolicy	INSTANCE

Constructor Summary

Constructors

Constructor	Description
DefaultRaftPolicy()

Method Summary

Modifier and Type	Method	Description
boolean	applyModificationToStateBeforeConsensus()	According to Raft consensus on a Raft entry is achieved only after a Leader replicates a log entry to a majority of it's followers.
boolean	automaticElectionsEnabled()	According to Raft a Follower which does not receive a heartbeat (aka AppendEntries) in a given period should become a Candidate and trigger an election.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

INSTANCE

public static final RaftPolicy INSTANCE

Constructor Details

DefaultRaftPolicy

public DefaultRaftPolicy()

Method Details

automaticElectionsEnabled

public boolean automaticElectionsEnabled()

Description copied from interface: RaftPolicy

According to Raft a Follower which does not receive a heartbeat (aka AppendEntries) in a given period should become a Candidate and trigger an election.

Specified by:

automaticElectionsEnabled in interface RaftPolicy

Returns:

true to enable automatic Raft elections, false to disable them

applyModificationToStateBeforeConsensus

public boolean applyModificationToStateBeforeConsensus()

Description copied from interface: RaftPolicy

According to Raft consensus on a Raft entry is achieved only after a Leader replicates a log entry to a majority of it's followers.

Specified by:

applyModificationToStateBeforeConsensus in interface RaftPolicy

Returns:

true if modification should be applied before consensus, false to apply modification to state as per Raft