Package io.trino.plugin.hive.metastore.thrift

Class StaticMetastoreLocator

java.lang.Object

io.trino.plugin.hive.metastore.thrift.StaticMetastoreLocator

All Implemented Interfaces:

MetastoreLocator

public class StaticMetastoreLocator
extends Object
implements MetastoreLocator

Constructor Summary

Constructors

Constructor	Description
StaticMetastoreLocator(StaticMetastoreConfig config, ThriftMetastoreAuthenticationConfig authenticationConfig, ThriftMetastoreClientFactory clientFactory)
StaticMetastoreLocator(List<URI> metastoreUris, String metastoreUsername, 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 Detail

StaticMetastoreLocator

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

StaticMetastoreLocator

public StaticMetastoreLocator(List<URI> metastoreUris,
                              @Nullable
                              String metastoreUsername,
                              ThriftMetastoreClientFactory clientFactory)

Method Detail

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 MetastoreLocator

Throws:

org.apache.thrift.TException