Package org.apache.hadoop.hdfs.server.protocol

Class NamenodeRegistration

java.lang.Object

org.apache.hadoop.hdfs.server.common.StorageInfo

org.apache.hadoop.hdfs.server.protocol.NamenodeRegistration

All Implemented Interfaces:

NodeRegistration

@Private
@Evolving
public class NamenodeRegistration
extends StorageInfo
implements NodeRegistration

Information sent by a subordinate name-node to the active name-node during the registration process.

Field Summary

Fields inherited from class org.apache.hadoop.hdfs.server.common.StorageInfo

clusterID, cTime, layoutVersion, namespaceID, STORAGE_FILE_VERSION, storageType

Constructor Summary

Constructors

Constructor	Description
NamenodeRegistration(String address, String httpAddress, StorageInfo storageInfo, HdfsServerConstants.NamenodeRole role)

Method Summary

Modifier and Type	Method	Description
String	getAddress()	Get address of the server node.
String	getHttpAddress()
String	getRegistrationID()	Get registration ID of the server node.
HdfsServerConstants.NamenodeRole	getRole()	Get name-node role.
int	getVersion()	Get layout version of the server node.
boolean	isRole(HdfsServerConstants.NamenodeRole that)
String	toString()

Methods inherited from class org.apache.hadoop.hdfs.server.common.StorageInfo

checkStorageType, getClusterID, getClusterIdFromColonSeparatedString, getCTime, getLayoutVersion, getNamespaceID, getNsIdFromColonSeparatedString, getProperty, getServiceLayoutFeatureMap, getServiceLayoutVersion, readPreviousVersionProperties, readProperties, readPropertiesFile, setClusterId, setcTime, setFieldsFromProperties, setLayoutVersion, setNamespaceID, setServiceLayoutVersion, setStorageInfo, toColonSeparatedString, toMapString, versionSupportsFederation

Methods inherited from class java.lang.Object

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

Constructor Details

NamenodeRegistration

public NamenodeRegistration(String address,
 String httpAddress,
 StorageInfo storageInfo,
 HdfsServerConstants.NamenodeRole role)

Method Details

getAddress

public String getAddress()

Description copied from interface: NodeRegistration

Get address of the server node.

Specified by:

getAddress in interface NodeRegistration

Returns:

ipAddr:portNumber

getHttpAddress

public String getHttpAddress()

getRegistrationID

public String getRegistrationID()

Description copied from interface: NodeRegistration

Get registration ID of the server node.

Specified by:

getRegistrationID in interface NodeRegistration

getVersion

public int getVersion()

Description copied from interface: NodeRegistration

Get layout version of the server node.

Specified by:

getVersion in interface NodeRegistration

toString

public String toString()

Specified by:

toString in interface NodeRegistration

Overrides:

toString in class StorageInfo

getRole

public HdfsServerConstants.NamenodeRole getRole()

Get name-node role.

isRole

public boolean isRole(HdfsServerConstants.NamenodeRole that)