io.aeron.cluster

Interface ClusterBackupEventsListener

public interface ClusterBackupEventsListener

Listener which can be registered via ClusterBackup.Context for tracking backup progress.

Method Summary

Modifier and Type	Method and Description
void	onBackupQuery() Backup has moved into backup query state.
void	onBackupResponse(ClusterMember[] clusterMembers, ClusterMember logSourceMember, List<RecordingLog.Snapshot> snapshotsToRetrieve) Backup response was received for a backup query.
void	onLiveLogProgress(long recordingId, long recordingPosCounterId, long logPosition) Update to the live log position as recorded to the local archive
void	onPossibleFailure(Exception ex) Possible failure of cluster leader detected.
void	onUpdatedRecordingLog(RecordingLog recordingLog, List<RecordingLog.Snapshot> snapshotsRetrieved) Updated recording log.

Method Detail

onBackupQuery

void onBackupQuery()

Backup has moved into backup query state. Backup process has been started.

onPossibleFailure

void onPossibleFailure(Exception ex)

Possible failure of cluster leader detected.

Parameters:

ex - the underlying exception.

onBackupResponse

void onBackupResponse(ClusterMember[] clusterMembers,
                      ClusterMember logSourceMember,
                      List<RecordingLog.Snapshot> snapshotsToRetrieve)

Backup response was received for a backup query.

Parameters:

clusterMembers - in the backup response.

logSourceMember - to be used to replicate data from.

snapshotsToRetrieve - snapshots to be retrieved.

onUpdatedRecordingLog

void onUpdatedRecordingLog(RecordingLog recordingLog,
                           List<RecordingLog.Snapshot> snapshotsRetrieved)

Updated recording log.

Parameters:

recordingLog - that was updated.

snapshotsRetrieved - the snapshots that were retrieved.

onLiveLogProgress

void onLiveLogProgress(long recordingId,
                       long recordingPosCounterId,
                       long logPosition)

Update to the live log position as recorded to the local archive

Parameters:

recordingId - of the live log.

recordingPosCounterId - RecordingPos counter id for the live log.

logPosition - of the live log.