Package org.apache.hadoop.yarn.client

Class ClientRMProxy<T>

java.lang.Object

org.apache.hadoop.yarn.client.RMProxy<T>

org.apache.hadoop.yarn.client.ClientRMProxy<T>

@Public
@Stable
public class ClientRMProxy<T>
extends RMProxy<T>

Method Summary

Modifier and Type	Method	Description
void	checkAllowedProtocols(java.lang.Class<?> protocol)	Verify the passed protocol is supported.
static <T> T	createRMProxy(org.apache.hadoop.conf.Configuration configuration, java.lang.Class<T> protocol)	Create a proxy to the ResourceManager for the specified protocol.
static <T> T	createRMProxyFederation(org.apache.hadoop.conf.Configuration configuration, java.lang.Class<T> protocol)	Create a proxy to the ResourceManager for the specified protocol.
static org.apache.hadoop.io.Text	getAMRMTokenService(org.apache.hadoop.conf.Configuration conf)
static <T> RMFailoverProxyProvider<T>	getClientRMFailoverProxyProvider(org.apache.hadoop.yarn.conf.YarnConfiguration configuration, java.lang.Class<T> protocol)
java.net.InetSocketAddress	getRMAddress(org.apache.hadoop.yarn.conf.YarnConfiguration conf, java.lang.Class<?> protocol)	Get the ResourceManager address from the provided Configuration for the given protocol.
static org.apache.hadoop.io.Text	getRMDelegationTokenService(org.apache.hadoop.conf.Configuration conf)	Get the token service name to be used for RMDelegationToken.
static org.apache.hadoop.io.Text	getTokenService(org.apache.hadoop.conf.Configuration conf, java.lang.String address, java.lang.String defaultAddr, int defaultPort)

Methods inherited from class org.apache.hadoop.yarn.client.RMProxy

createRetryPolicy, createRetryPolicy, createRMProxy, createRMProxy, createRMProxyFederation, getProxy, getRMFailoverProxyProvider, newProxyInstanceFederation

Methods inherited from class java.lang.Object

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

Method Detail

createRMProxy

public static <T> T createRMProxy(org.apache.hadoop.conf.Configuration configuration,
                                  java.lang.Class<T> protocol)
                           throws java.io.IOException

Create a proxy to the ResourceManager for the specified protocol.

Type Parameters:

T - Type of proxy.

Parameters:

configuration - Configuration with all the required information.

protocol - Client protocol for which proxy is being requested.

Returns:

Proxy to the ResourceManager for the specified client protocol.

Throws:

java.io.IOException - io error occur.

createRMProxyFederation

public static <T> T createRMProxyFederation(org.apache.hadoop.conf.Configuration configuration,
                                            java.lang.Class<T> protocol)
                                     throws java.io.IOException

Create a proxy to the ResourceManager for the specified protocol. This method is only used for NodeManager#AMRMClientUtils.

Type Parameters:

T - Type of proxy.

Parameters:

configuration - Configuration with all the required information.

protocol - Client protocol for which proxy is being requested.

Returns:

Proxy to the ResourceManager for the specified client protocol.

Throws:

java.io.IOException - io error occur.

getClientRMFailoverProxyProvider

@VisibleForTesting
public static <T> RMFailoverProxyProvider<T> getClientRMFailoverProxyProvider(org.apache.hadoop.yarn.conf.YarnConfiguration configuration,
                                                                              java.lang.Class<T> protocol)

getRMAddress

@Private
public java.net.InetSocketAddress getRMAddress(org.apache.hadoop.yarn.conf.YarnConfiguration conf,
                                               java.lang.Class<?> protocol)
                                        throws java.io.IOException

Description copied from class: RMProxy

Get the ResourceManager address from the provided Configuration for the given protocol.

Overrides:

getRMAddress in class RMProxy<T>

Parameters:

conf - configuration.

protocol - protocol.

Returns:

inet socket address.

Throws:

java.io.IOException - io error occur.

checkAllowedProtocols

@Private
public void checkAllowedProtocols(java.lang.Class<?> protocol)

Description copied from class: RMProxy

Verify the passed protocol is supported.

Overrides:

checkAllowedProtocols in class RMProxy<T>

Parameters:

protocol - protocol.

getRMDelegationTokenService

@Unstable
public static org.apache.hadoop.io.Text getRMDelegationTokenService(org.apache.hadoop.conf.Configuration conf)

Get the token service name to be used for RMDelegationToken. Depending on whether HA is enabled or not, this method generates the appropriate service name as a comma-separated list of service addresses.

Parameters:

conf - Configuration corresponding to the cluster we need the RMDelegationToken for

Returns:

- Service name for RMDelegationToken

getAMRMTokenService

@Unstable
public static org.apache.hadoop.io.Text getAMRMTokenService(org.apache.hadoop.conf.Configuration conf)

getTokenService

@Unstable
public static org.apache.hadoop.io.Text getTokenService(org.apache.hadoop.conf.Configuration conf,
                                                        java.lang.String address,
                                                        java.lang.String defaultAddr,
                                                        int defaultPort)