org.apache.flink.runtime.jobmaster

Interface KvStateLocationOracle

All Known Subinterfaces:

JobMasterGateway

All Known Implementing Classes:

JobMaster

public interface KvStateLocationOracle

Oracle for KvStateLocation in the cluster. In order to answer InternalKvState location requests, the TaskExecutor have to register and unregister their respective key-value states at the oracle.

Method Summary

Modifier and Type	Method and Description
CompletableFuture<KvStateLocation>	requestKvStateLocation(org.apache.flink.api.common.JobID jobId, String registrationName) Requests a KvStateLocation for the specified InternalKvState registration name.

Method Detail

requestKvStateLocation

CompletableFuture<KvStateLocation> requestKvStateLocation(org.apache.flink.api.common.JobID jobId,
                                                          String registrationName)

Requests a KvStateLocation for the specified InternalKvState registration name.

Parameters:

jobId - identifying the job for which to request the KvStateLocation

registrationName - Name under which the KvState has been registered.

Returns:

Future of the requested InternalKvState location