Package org.apache.hadoop.hdfs.server.namenode.ha

Class RouterObserverReadConfiguredFailoverProxyProvider<T>

java.lang.Object

org.apache.hadoop.hdfs.server.namenode.ha.AbstractNNFailoverProxyProvider<T>

org.apache.hadoop.hdfs.server.namenode.ha.RouterObserverReadProxyProvider<T>

org.apache.hadoop.hdfs.server.namenode.ha.RouterObserverReadConfiguredFailoverProxyProvider<T>

All Implemented Interfaces:

Closeable, AutoCloseable, org.apache.hadoop.io.retry.FailoverProxyProvider<T>

public class RouterObserverReadConfiguredFailoverProxyProvider<T>
extends RouterObserverReadProxyProvider<T>

A FailoverProxyProvider implementation to support automatic msync-ing when using routers.

This constructs a wrapper proxy of ConfiguredFailoverProxyProvider, and allows to configure logical names for nameservices.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.hdfs.server.namenode.ha.AbstractNNFailoverProxyProvider

AbstractNNFailoverProxyProvider.NNProxyInfo<T>

Nested classes/interfaces inherited from interface org.apache.hadoop.io.retry.FailoverProxyProvider

org.apache.hadoop.io.retry.FailoverProxyProvider.ProxyInfo<T extends Object>

Field Summary

Fields inherited from class org.apache.hadoop.hdfs.server.namenode.ha.AbstractNNFailoverProxyProvider

conf, factory, fallbackToSimpleAuth, ugi, xface

Constructor Summary

Constructors

Constructor	Description
RouterObserverReadConfiguredFailoverProxyProvider(org.apache.hadoop.conf.Configuration conf, URI uri, Class<T> xface, HAProxyFactory<T> factory)

Method Summary

Methods inherited from class org.apache.hadoop.hdfs.server.namenode.ha.RouterObserverReadProxyProvider

close, getAlignmentContext, getProxy, performFailover, useLogicalURI

Methods inherited from class org.apache.hadoop.hdfs.server.namenode.ha.AbstractNNFailoverProxyProvider

createProxyIfNeeded, getFallbackToSimpleAuth, getInterface, getProxyAddresses, getRandomOrder, setFallbackToSimpleAuth

Methods inherited from class java.lang.Object

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

Constructor Details

RouterObserverReadConfiguredFailoverProxyProvider

public RouterObserverReadConfiguredFailoverProxyProvider(org.apache.hadoop.conf.Configuration conf,
 URI uri,
 Class<T> xface,
 HAProxyFactory<T> factory)