Package org.apache.hadoop.hdfs.server.datanode

Class ReplicaBuilder

java.lang.Object

org.apache.hadoop.hdfs.server.datanode.ReplicaBuilder

public class ReplicaBuilder
extends java.lang.Object

This class is to be used as a builder for ReplicaInfo objects. The state of the replica is used to determine which object is instantiated.

Constructor Summary

Constructors

Constructor	Description
ReplicaBuilder(HdfsServerConstants.ReplicaState state)

Method Summary

Modifier and Type	Method	Description
ReplicaInfo	build()
LocalReplicaInPipeline	buildLocalReplicaInPipeline()
ReplicaBuilder	from(ReplicaInfo fromReplica)
ReplicaBuilder	setBlock(org.apache.hadoop.hdfs.protocol.Block block)
ReplicaBuilder	setBlockId(long blockId)
ReplicaBuilder	setBytesToReserve(long bytesToReserve)
ReplicaBuilder	setConf(org.apache.hadoop.conf.Configuration conf)
ReplicaBuilder	setDirectoryToUse(java.io.File dir)
ReplicaBuilder	setFileRegion(FileRegion fileRegion)
ReplicaBuilder	setFsVolume(FsVolumeSpi volume)
ReplicaBuilder	setGenerationStamp(long genStamp)
ReplicaBuilder	setLastPartialChunkChecksum(byte[] checksum)
ReplicaBuilder	setLength(long length)
ReplicaBuilder	setOffset(long offset)
ReplicaBuilder	setPathHandle(org.apache.hadoop.fs.PathHandle pathHandle)
ReplicaBuilder	setPathPrefix(org.apache.hadoop.fs.Path prefix)	Set the prefix of the Path associated with the replica.
ReplicaBuilder	setPathSuffix(java.lang.String suffix)	Set the suffix of the Path associated with the replica.
ReplicaBuilder	setRecoveryId(long recoveryId)
ReplicaBuilder	setRemoteFS(org.apache.hadoop.fs.FileSystem remoteFS)
ReplicaBuilder	setState(HdfsServerConstants.ReplicaState state)
ReplicaBuilder	setURI(java.net.URI uri)
ReplicaBuilder	setWriterThread(java.lang.Thread writer)

Methods inherited from class java.lang.Object

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

Constructor Detail

ReplicaBuilder

public ReplicaBuilder(HdfsServerConstants.ReplicaState state)

Method Detail

setState

public ReplicaBuilder setState(HdfsServerConstants.ReplicaState state)

setBlockId

public ReplicaBuilder setBlockId(long blockId)

setGenerationStamp

public ReplicaBuilder setGenerationStamp(long genStamp)

setLength

public ReplicaBuilder setLength(long length)

setFsVolume

public ReplicaBuilder setFsVolume(FsVolumeSpi volume)

setDirectoryToUse

public ReplicaBuilder setDirectoryToUse(java.io.File dir)

setBytesToReserve

public ReplicaBuilder setBytesToReserve(long bytesToReserve)

setWriterThread

public ReplicaBuilder setWriterThread(java.lang.Thread writer)

from

public ReplicaBuilder from(ReplicaInfo fromReplica)

setRecoveryId

public ReplicaBuilder setRecoveryId(long recoveryId)

setBlock

public ReplicaBuilder setBlock(org.apache.hadoop.hdfs.protocol.Block block)

setURI

public ReplicaBuilder setURI(java.net.URI uri)

setConf

public ReplicaBuilder setConf(org.apache.hadoop.conf.Configuration conf)

setOffset

public ReplicaBuilder setOffset(long offset)

setFileRegion

public ReplicaBuilder setFileRegion(FileRegion fileRegion)

setRemoteFS

public ReplicaBuilder setRemoteFS(org.apache.hadoop.fs.FileSystem remoteFS)

setPathSuffix

public ReplicaBuilder setPathSuffix(java.lang.String suffix)

Set the suffix of the Path associated with the replica. Intended to be use only for ProvidedReplicas.

Parameters:

suffix - the path suffix.

Returns:

the builder with the path suffix set.

setPathPrefix

public ReplicaBuilder setPathPrefix(org.apache.hadoop.fs.Path prefix)

Set the prefix of the Path associated with the replica. Intended to be use only for ProvidedReplicas.

Parameters:

prefix - the path prefix.

Returns:

the builder with the path prefix set.

setPathHandle

public ReplicaBuilder setPathHandle(org.apache.hadoop.fs.PathHandle pathHandle)

setLastPartialChunkChecksum

public ReplicaBuilder setLastPartialChunkChecksum(byte[] checksum)

buildLocalReplicaInPipeline

public LocalReplicaInPipeline buildLocalReplicaInPipeline()
                                                   throws java.lang.IllegalArgumentException

Throws:

java.lang.IllegalArgumentException

build

public ReplicaInfo build()
                  throws java.lang.IllegalArgumentException

Throws:

java.lang.IllegalArgumentException