io.atomix.protocols.raft

Interface RaftMetadataClient

public interface RaftMetadataClient

Raft metadata.

Method Summary

Modifier and Type	Method and Description
MemberId	getLeader() Returns the current cluster leader.
Collection<MemberId>	getMembers() Returns the set of known members in the cluster.
default Collection<MemberId>	getServers() Returns the set of known members in the cluster.
CompletableFuture<Set<RaftSessionMetadata>>	getSessions() Returns a list of open sessions.
CompletableFuture<Set<RaftSessionMetadata>>	getSessions(ServiceType serviceType) Returns a list of open sessions of the given type.
CompletableFuture<Set<RaftSessionMetadata>>	getSessions(ServiceType serviceType, String serviceName) Returns a list of open sessions for the given service.
default CompletableFuture<Set<RaftSessionMetadata>>	getSessions(String serviceType) Returns a list of open sessions of the given type.
default CompletableFuture<Set<RaftSessionMetadata>>	getSessions(String serviceType, String serviceName) Returns a list of open sessions for the given service.

Method Detail

getLeader

MemberId getLeader()

Returns the current cluster leader.

Returns:

The current cluster leader.

getServers

default Collection<MemberId> getServers()

Returns the set of known members in the cluster.

Returns:

The set of known members in the cluster.

getMembers

Collection<MemberId> getMembers()

Returns the set of known members in the cluster.

Returns:

The set of known members in the cluster.

getSessions

CompletableFuture<Set<RaftSessionMetadata>> getSessions()

Returns a list of open sessions.

Returns:

A completable future to be completed with a list of open sessions.

getSessions

default CompletableFuture<Set<RaftSessionMetadata>> getSessions(String serviceType)

Returns a list of open sessions of the given type.

Parameters:

serviceType - the service type for which to return sessions

Returns:

A completable future to be completed with a list of open sessions of the given type.

getSessions

CompletableFuture<Set<RaftSessionMetadata>> getSessions(ServiceType serviceType)

Returns a list of open sessions of the given type.

Parameters:

serviceType - the service type for which to return sessions

Returns:

A completable future to be completed with a list of open sessions of the given type.

getSessions

default CompletableFuture<Set<RaftSessionMetadata>> getSessions(String serviceType,
                                                                String serviceName)

Returns a list of open sessions for the given service.

Parameters:

serviceType - the service type for which to return sessions

serviceName - the service for which to return sessions

Returns:

A completable future to be completed with a list of open sessions of the given type.

getSessions

CompletableFuture<Set<RaftSessionMetadata>> getSessions(ServiceType serviceType,
                                                        String serviceName)

Returns a list of open sessions for the given service.

Parameters:

serviceType - the service type for which to return sessions

serviceName - the service for which to return sessions

Returns:

A completable future to be completed with a list of open sessions of the given type.