org.neo4j.causalclustering.core.consensus.membership

Interface RaftMembership

All Known Implementing Classes:

RaftMembershipManager

public interface RaftMembership

Exposes a view of the members of a Raft cluster. Essentially it gives access to two sets - the set of voting members and the set of replication members. This class also allows for listeners to be notified of membership changes.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	RaftMembership.Listener This interface must be implemented from whoever wants to be notified of membership changes.

Method Summary

Modifier and Type	Method and Description
void	registerListener(RaftMembership.Listener listener) Register a membership listener.
Set<MemberId>	replicationMembers()
Set<MemberId>	votingMembers()

Method Detail

votingMembers

Set<MemberId> votingMembers()

Returns:

members whose votes count towards consensus. The returned set should be considered immutable.

replicationMembers

Set<MemberId> replicationMembers()

Returns:

members to which replication should be attempted. The returned set should be considered immutable.

registerListener

void registerListener(RaftMembership.Listener listener)

Register a membership listener.

Parameters:

listener - The listener.