org.apache.druid.metadata

Interface MetadataSupervisorManager

All Known Implementing Classes:

SQLMetadataSupervisorManager

public interface MetadataSupervisorManager

Method Summary

Modifier and Type	Method and Description
Map<String,List<VersionedSupervisorSpec>>	getAll()
List<VersionedSupervisorSpec>	getAllForId(String id)
Map<String,SupervisorSpec>	getLatest() Return latest supervisors (both active and terminated)
Map<String,SupervisorSpec>	getLatestActiveOnly() Only return the latest active supervisors
Map<String,SupervisorSpec>	getLatestTerminatedOnly() Only return the latest terminated supervisors
void	insert(String id, SupervisorSpec spec)
int	removeTerminatedSupervisorsOlderThan(long timestamp) Remove terminated supervisors created before the given timestamp.
void	start()

Method Detail

start

void start()

insert

void insert(String id,
            SupervisorSpec spec)

getAll

Map<String,List<VersionedSupervisorSpec>> getAll()

getAllForId

List<VersionedSupervisorSpec> getAllForId(String id)

getLatest

Map<String,SupervisorSpec> getLatest()

Return latest supervisors (both active and terminated)

Returns:

latest terminated supervisors

getLatestActiveOnly

Map<String,SupervisorSpec> getLatestActiveOnly()

Only return the latest active supervisors

Returns:

latest active supervisors

getLatestTerminatedOnly

Map<String,SupervisorSpec> getLatestTerminatedOnly()

Only return the latest terminated supervisors

Returns:

latest terminated supervisors

removeTerminatedSupervisorsOlderThan

int removeTerminatedSupervisorsOlderThan(long timestamp)

Remove terminated supervisors created before the given timestamp.

Parameters:

timestamp - timestamp in milliseconds

Returns:

number of supervisor removed