Package org.apache.hadoop.hdfs.protocolPB

Class ReconfigurationProtocolTranslatorPB

java.lang.Object

org.apache.hadoop.hdfs.protocolPB.ReconfigurationProtocolTranslatorPB

All Implemented Interfaces:

Closeable, AutoCloseable, ReconfigurationProtocol, org.apache.hadoop.ipc.ProtocolMetaInterface, org.apache.hadoop.ipc.ProtocolTranslator

@Private
@Stable
public class ReconfigurationProtocolTranslatorPB
extends Object
implements org.apache.hadoop.ipc.ProtocolMetaInterface, ReconfigurationProtocol, org.apache.hadoop.ipc.ProtocolTranslator, Closeable

This class is the client side translator to translate the requests made on ReconfigurationProtocol interfaces to the RPC server implementing ReconfigurationProtocolPB.

Field Summary

Fields

Modifier and Type	Field	Description
static final org.slf4j.Logger	LOG

Fields inherited from interface org.apache.hadoop.hdfs.protocol.ReconfigurationProtocol

VERSIONID

Constructor Summary

Constructors

Constructor	Description
ReconfigurationProtocolTranslatorPB(InetSocketAddress addr, org.apache.hadoop.security.UserGroupInformation ticket, org.apache.hadoop.conf.Configuration conf, SocketFactory factory)

Method Summary

Modifier and Type	Method	Description
void	close()
org.apache.hadoop.conf.ReconfigurationTaskStatus	getReconfigurationStatus()	Get the status of the previously issued reconfig task.
Object	getUnderlyingProxyObject()
boolean	isMethodSupported(String methodName)
List<String>	listReconfigurableProperties()	Get a list of allowed properties for reconfiguration.
void	startReconfiguration()	Asynchronously reload configuration on disk and apply changes.

Methods inherited from class java.lang.Object

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

Field Details

LOG

public static final org.slf4j.Logger LOG

Constructor Details

ReconfigurationProtocolTranslatorPB

public ReconfigurationProtocolTranslatorPB(InetSocketAddress addr,
 org.apache.hadoop.security.UserGroupInformation ticket,
 org.apache.hadoop.conf.Configuration conf,
 SocketFactory factory)
                                    throws IOException

Throws:

IOException

Method Details

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

IOException

getUnderlyingProxyObject

public Object getUnderlyingProxyObject()

Specified by:

getUnderlyingProxyObject in interface org.apache.hadoop.ipc.ProtocolTranslator

startReconfiguration

public void startReconfiguration()
                          throws IOException

Description copied from interface: ReconfigurationProtocol

Asynchronously reload configuration on disk and apply changes.

Specified by:

startReconfiguration in interface ReconfigurationProtocol

Throws:

IOException

getReconfigurationStatus

public org.apache.hadoop.conf.ReconfigurationTaskStatus getReconfigurationStatus()
                                                                          throws IOException

Description copied from interface: ReconfigurationProtocol

Get the status of the previously issued reconfig task.

Specified by:

getReconfigurationStatus in interface ReconfigurationProtocol

Throws:

IOException

See Also:

• ReconfigurationTaskStatus

listReconfigurableProperties

public List<String> listReconfigurableProperties()
                                          throws IOException

Description copied from interface: ReconfigurationProtocol

Get a list of allowed properties for reconfiguration.

Specified by:

listReconfigurableProperties in interface ReconfigurationProtocol

Throws:

IOException

isMethodSupported

public boolean isMethodSupported(String methodName)
                          throws IOException

Specified by:

isMethodSupported in interface org.apache.hadoop.ipc.ProtocolMetaInterface

Throws:

IOException