org.apache.hadoop.hive.metastore

Class RetryingMetaStoreClient

java.lang.Object

org.apache.hadoop.hive.metastore.RetryingMetaStoreClient

All Implemented Interfaces:

InvocationHandler

@InterfaceAudience.Public
public class RetryingMetaStoreClient
extends Object
implements InvocationHandler

RetryingMetaStoreClient. Creates a proxy for a IMetaStoreClient implementation and retries calls to it on failure. If the login user is authenticated using keytab, it relogins user before each call.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	RetryingMetaStoreClient(HiveConf hiveConf, Class<?>[] constructorArgTypes, Object[] constructorArgs, Map<String,Long> metaCallTimeMap, Class<? extends IMetaStoreClient> msClientClass)
protected	RetryingMetaStoreClient(HiveConf hiveConf, HiveMetaHookLoader hookLoader, Map<String,Long> metaCallTimeMap, Class<? extends IMetaStoreClient> msClientClass)

Method Summary

Methods

Modifier and Type	Method and Description
static IMetaStoreClient	getProxy(HiveConf hiveConf)
static IMetaStoreClient	getProxy(HiveConf hiveConf, Class<?>[] constructorArgTypes, Object[] constructorArgs, Map<String,Long> metaCallTimeMap, String mscClassName) This constructor is meant for Hive internal use only.
static IMetaStoreClient	getProxy(HiveConf hiveConf, Class<?>[] constructorArgTypes, Object[] constructorArgs, String mscClassName) This constructor is meant for Hive internal use only.
static IMetaStoreClient	getProxy(HiveConf hiveConf, HiveMetaHookLoader hookLoader, Map<String,Long> metaCallTimeMap, String mscClassName)
static IMetaStoreClient	getProxy(HiveConf hiveConf, HiveMetaHookLoader hookLoader, String mscClassName)
Object	invoke(Object proxy, Method method, Object[] args)

Methods inherited from class java.lang.Object

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

Constructor Detail

RetryingMetaStoreClient

protected RetryingMetaStoreClient(HiveConf hiveConf,
                       HiveMetaHookLoader hookLoader,
                       Map<String,Long> metaCallTimeMap,
                       Class<? extends IMetaStoreClient> msClientClass)
                           throws MetaException

Throws:

MetaException

RetryingMetaStoreClient

protected RetryingMetaStoreClient(HiveConf hiveConf,
                       Class<?>[] constructorArgTypes,
                       Object[] constructorArgs,
                       Map<String,Long> metaCallTimeMap,
                       Class<? extends IMetaStoreClient> msClientClass)
                           throws MetaException

Throws:

MetaException

Method Detail

getProxy

public static IMetaStoreClient getProxy(HiveConf hiveConf)
                                 throws MetaException

Throws:

MetaException

getProxy

public static IMetaStoreClient getProxy(HiveConf hiveConf,
                        HiveMetaHookLoader hookLoader,
                        String mscClassName)
                                 throws MetaException

Throws:

MetaException

getProxy

public static IMetaStoreClient getProxy(HiveConf hiveConf,
                        HiveMetaHookLoader hookLoader,
                        Map<String,Long> metaCallTimeMap,
                        String mscClassName)
                                 throws MetaException

Throws:

MetaException

getProxy

public static IMetaStoreClient getProxy(HiveConf hiveConf,
                        Class<?>[] constructorArgTypes,
                        Object[] constructorArgs,
                        String mscClassName)
                                 throws MetaException

This constructor is meant for Hive internal use only. Please use getProxy(HiveConf hiveConf, HiveMetaHookLoader hookLoader) for external purpose.

Throws:

MetaException

getProxy

public static IMetaStoreClient getProxy(HiveConf hiveConf,
                        Class<?>[] constructorArgTypes,
                        Object[] constructorArgs,
                        Map<String,Long> metaCallTimeMap,
                        String mscClassName)
                                 throws MetaException

This constructor is meant for Hive internal use only. Please use getProxy(HiveConf hiveConf, HiveMetaHookLoader hookLoader) for external purpose.

Throws:

MetaException

invoke

public Object invoke(Object proxy,
            Method method,
            Object[] args)
              throws Throwable

Specified by:

invoke in interface InvocationHandler

Throws:

Throwable