Class StaticTokenAwareMetastoreClientFactory

java.lang.Object

io.trino.plugin.hive.metastore.thrift.StaticTokenAwareMetastoreClientFactory

All Implemented Interfaces:

TokenAwareMetastoreClientFactory

public class StaticTokenAwareMetastoreClientFactory
extends Object
implements TokenAwareMetastoreClientFactory

Constructor Summary

Constructors

Constructor	Description
StaticTokenAwareMetastoreClientFactory(StaticMetastoreConfig config, ThriftMetastoreAuthenticationConfig authenticationConfig, ThriftMetastoreClientFactory clientFactory)

Method Summary

Modifier and Type	Method	Description
ThriftMetastoreClient	createMetastoreClient(Optional<String> delegationToken)	Create a metastore client connected to the Hive metastore.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

StaticTokenAwareMetastoreClientFactory

@Inject
public StaticTokenAwareMetastoreClientFactory(StaticMetastoreConfig config,
 ThriftMetastoreAuthenticationConfig authenticationConfig,
 ThriftMetastoreClientFactory clientFactory)

Method Details

createMetastoreClient

public ThriftMetastoreClient createMetastoreClient(Optional<String> delegationToken)
                                            throws org.apache.thrift.TException

Create a metastore client connected to the Hive metastore.

As per Hive HA metastore behavior, return the first metastore in the list list of available metastores (i.e. the default metastore) if a connection can be made, else try another of the metastores at random, until either a connection succeeds or there are no more fallback metastores.

Specified by:

createMetastoreClient in interface TokenAwareMetastoreClientFactory

Throws:

org.apache.thrift.TException