org.opendaylight.controller.cluster.datastore.policy

Class TestOnlyRaftPolicy

java.lang.Object

org.opendaylight.controller.cluster.datastore.policy.TestOnlyRaftPolicy

All Implemented Interfaces:

RaftPolicy

public class TestOnlyRaftPolicy
extends Object
implements RaftPolicy

A RaftPolicy that disables elections so that we can then specify exactly which Shard Replica should be Leader. Once a Leader is assigned it will behave as per Raft.

Constructor Summary

Constructors

Constructor and Description
TestOnlyRaftPolicy()

Method Summary

Modifier and Type	Method and 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

Constructor Detail

TestOnlyRaftPolicy

public TestOnlyRaftPolicy()

Method Detail

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