Package org.apache.hadoop.hdfs.server.federation.router

Class RouterNamenodeProtocol

java.lang.Object

org.apache.hadoop.hdfs.server.federation.router.RouterNamenodeProtocol

All Implemented Interfaces:

org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol

public class RouterNamenodeProtocol
extends java.lang.Object
implements org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol

Module that implements all the RPC calls in NamenodeProtocol in the RouterRpcServer.

Field Summary

Fields inherited from interface org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol

ACT_CHECKPOINT, ACT_SHUTDOWN, ACT_UNKNOWN, FATAL, NOTIFY, versionID

Constructor Summary

Constructors

Constructor	Description
RouterNamenodeProtocol(RouterRpcServer server)

Method Summary

Modifier and Type	Method	Description
void	endCheckpoint(org.apache.hadoop.hdfs.server.protocol.NamenodeRegistration registration, org.apache.hadoop.hdfs.server.namenode.CheckpointSignature sig)
void	errorReport(org.apache.hadoop.hdfs.server.protocol.NamenodeRegistration registration, int errorCode, java.lang.String msg)
org.apache.hadoop.hdfs.security.token.block.ExportedBlockKeys	getBlockKeys()
org.apache.hadoop.hdfs.server.protocol.BlocksWithLocations	getBlocks(org.apache.hadoop.hdfs.protocol.DatanodeInfo datanode, long size, long minBlockSize, long hotBlockTimeInterval, org.apache.hadoop.fs.StorageType storageType)
org.apache.hadoop.hdfs.server.protocol.RemoteEditLogManifest	getEditLogManifest(long sinceTxId)
long	getMostRecentCheckpointTxId()
java.lang.Long	getNextSPSPath()
long	getTransactionID()
boolean	isRollingUpgrade()
boolean	isUpgradeFinalized()
org.apache.hadoop.hdfs.server.protocol.NamenodeRegistration	registerSubordinateNamenode(org.apache.hadoop.hdfs.server.protocol.NamenodeRegistration registration)
org.apache.hadoop.hdfs.server.namenode.CheckpointSignature	rollEditLog()
org.apache.hadoop.hdfs.server.protocol.NamenodeCommand	startCheckpoint(org.apache.hadoop.hdfs.server.protocol.NamenodeRegistration registration)
org.apache.hadoop.hdfs.server.protocol.NamespaceInfo	versionRequest()

Methods inherited from class java.lang.Object

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

Constructor Detail

RouterNamenodeProtocol

public RouterNamenodeProtocol(RouterRpcServer server)

Method Detail

getBlocks

public org.apache.hadoop.hdfs.server.protocol.BlocksWithLocations getBlocks(org.apache.hadoop.hdfs.protocol.DatanodeInfo datanode,
                                                                            long size,
                                                                            long minBlockSize,
                                                                            long hotBlockTimeInterval,
                                                                            org.apache.hadoop.fs.StorageType storageType)
                                                                     throws java.io.IOException

Specified by:

getBlocks in interface org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol

Throws:

java.io.IOException

getBlockKeys

public org.apache.hadoop.hdfs.security.token.block.ExportedBlockKeys getBlockKeys()
                                                                           throws java.io.IOException

Specified by:

getBlockKeys in interface org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol

Throws:

java.io.IOException

getTransactionID

public long getTransactionID()
                      throws java.io.IOException

Specified by:

getTransactionID in interface org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol

Throws:

java.io.IOException

getMostRecentCheckpointTxId

public long getMostRecentCheckpointTxId()
                                 throws java.io.IOException

Specified by:

getMostRecentCheckpointTxId in interface org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol

Throws:

java.io.IOException

rollEditLog

public org.apache.hadoop.hdfs.server.namenode.CheckpointSignature rollEditLog()
                                                                       throws java.io.IOException

Specified by:

rollEditLog in interface org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol

Throws:

java.io.IOException

versionRequest

public org.apache.hadoop.hdfs.server.protocol.NamespaceInfo versionRequest()
                                                                    throws java.io.IOException

Specified by:

versionRequest in interface org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol

Throws:

java.io.IOException

errorReport

public void errorReport(org.apache.hadoop.hdfs.server.protocol.NamenodeRegistration registration,
                        int errorCode,
                        java.lang.String msg)
                 throws java.io.IOException

Specified by:

errorReport in interface org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol

Throws:

java.io.IOException

registerSubordinateNamenode

public org.apache.hadoop.hdfs.server.protocol.NamenodeRegistration registerSubordinateNamenode(org.apache.hadoop.hdfs.server.protocol.NamenodeRegistration registration)
                                                                                        throws java.io.IOException

Specified by:

registerSubordinateNamenode in interface org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol

Throws:

java.io.IOException

startCheckpoint

public org.apache.hadoop.hdfs.server.protocol.NamenodeCommand startCheckpoint(org.apache.hadoop.hdfs.server.protocol.NamenodeRegistration registration)
                                                                       throws java.io.IOException

Specified by:

startCheckpoint in interface org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol

Throws:

java.io.IOException

endCheckpoint

public void endCheckpoint(org.apache.hadoop.hdfs.server.protocol.NamenodeRegistration registration,
                          org.apache.hadoop.hdfs.server.namenode.CheckpointSignature sig)
                   throws java.io.IOException

Specified by:

endCheckpoint in interface org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol

Throws:

java.io.IOException

getEditLogManifest

public org.apache.hadoop.hdfs.server.protocol.RemoteEditLogManifest getEditLogManifest(long sinceTxId)
                                                                                throws java.io.IOException

Specified by:

getEditLogManifest in interface org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol

Throws:

java.io.IOException

isUpgradeFinalized

public boolean isUpgradeFinalized()
                           throws java.io.IOException

Specified by:

isUpgradeFinalized in interface org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol

Throws:

java.io.IOException

isRollingUpgrade

public boolean isRollingUpgrade()
                         throws java.io.IOException

Specified by:

isRollingUpgrade in interface org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol

Throws:

java.io.IOException

getNextSPSPath

public java.lang.Long getNextSPSPath()
                              throws java.io.IOException

Specified by:

getNextSPSPath in interface org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol

Throws:

java.io.IOException