org.apache.kyuubi.shaded.hive.metastore

Interface IMetaStoreClient

All Superinterfaces:

AutoCloseable

All Known Implementing Classes:

HiveMetaStoreClient

@InterfaceAudience.Public
 @InterfaceStability.Evolving
public interface IMetaStoreClient
extends AutoCloseable

Wrapper around hive metastore thrift api

Method Summary

Modifier and Type	Method and Description
void	close() close connection to meta store
String	getDelegationToken(String owner, String renewerKerberosPrincipalName) This is expected to be a no-op when in local mode, which means that the implementation will return null.
boolean	isLocalMetaStore() Returns true if the current client is using an in process metastore (local metastore).
void	reconnect() Tries to reconnect this MetaStoreClient to the MetaStore.

Method Detail

isLocalMetaStore

boolean isLocalMetaStore()

Returns true if the current client is using an in process metastore (local metastore).

Returns:

reconnect

void reconnect()
        throws MetaException

Tries to reconnect this MetaStoreClient to the MetaStore.

Throws:

MetaException

close

void close()

close connection to meta store

Specified by:

close in interface AutoCloseable

getDelegationToken

String getDelegationToken(String owner,
                          String renewerKerberosPrincipalName)
                   throws MetaException,
                          org.apache.kyuubi.shaded.thrift.TException

This is expected to be a no-op when in local mode, which means that the implementation will return null.

Parameters:

owner - the intended owner for the token

renewerKerberosPrincipalName -

Returns:

the string of the token

Throws:

MetaException

org.apache.kyuubi.shaded.thrift.TException