Uses of Class
org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy

Packages that use ErasureCodingPolicy

Package	Description
org.apache.hadoop.hdfs
org.apache.hadoop.hdfs.client	This package provides the administrative APIs for HDFS.
org.apache.hadoop.hdfs.protocol	Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.
org.apache.hadoop.hdfs.protocolPB
org.apache.hadoop.hdfs.util	Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.
org.apache.hadoop.hdfs.web

Uses of ErasureCodingPolicy in org.apache.hadoop.hdfs

Methods in org.apache.hadoop.hdfs that return ErasureCodingPolicy

Modifier and Type	Method	Description
ErasureCodingPolicy	DFSClient.getErasureCodingPolicy(String src)	Get the erasure coding policy information for the specified path
ErasureCodingPolicy	DistributedFileSystem.getErasureCodingPolicy(org.apache.hadoop.fs.Path path)	Get erasure coding policy information for the specified path.
ErasureCodingPolicy	ViewDistributedFileSystem.getErasureCodingPolicy(org.apache.hadoop.fs.Path path)

Methods in org.apache.hadoop.hdfs with parameters of type ErasureCodingPolicy

Modifier and Type	Method	Description
AddErasureCodingPolicyResponse[]	DFSClient.addErasureCodingPolicies(ErasureCodingPolicy[] policies)
AddErasureCodingPolicyResponse[]	DistributedFileSystem.addErasureCodingPolicies(ErasureCodingPolicy[] policies)	Add Erasure coding policies to HDFS.
AddErasureCodingPolicyResponse[]	ViewDistributedFileSystem.addErasureCodingPolicies(ErasureCodingPolicy[] policies)

Uses of ErasureCodingPolicy in org.apache.hadoop.hdfs.client

Methods in org.apache.hadoop.hdfs.client that return ErasureCodingPolicy

Modifier and Type	Method	Description
ErasureCodingPolicy	HdfsAdmin.getErasureCodingPolicy(org.apache.hadoop.fs.Path path)	Get the erasure coding policy information for the specified path

Methods in org.apache.hadoop.hdfs.client with parameters of type ErasureCodingPolicy

Modifier and Type	Method	Description
AddErasureCodingPolicyResponse[]	HdfsAdmin.addErasureCodingPolicies(ErasureCodingPolicy[] policies)	Add Erasure coding policies to HDFS.

Uses of ErasureCodingPolicy in org.apache.hadoop.hdfs.protocol

Methods in org.apache.hadoop.hdfs.protocol that return ErasureCodingPolicy

Modifier and Type	Method	Description
static ErasureCodingPolicy	SystemErasureCodingPolicies.getByID(byte id)	Get a policy by policy ID.
static ErasureCodingPolicy	SystemErasureCodingPolicies.getByName(String name)	Get a policy by policy name.
ErasureCodingPolicy	ClientProtocol.getErasureCodingPolicy(String src)	Get the information about the EC policy for the path.
ErasureCodingPolicy	HdfsFileStatus.getErasureCodingPolicy()	Get the erasure coding policy if it's set.
ErasureCodingPolicy	HdfsLocatedFileStatus.getErasureCodingPolicy()	Get the erasure coding policy if it's set.
ErasureCodingPolicy	HdfsNamedFileStatus.getErasureCodingPolicy()	Get the erasure coding policy if it's set.
ErasureCodingPolicy	LocatedBlocks.getErasureCodingPolicy()
ErasureCodingPolicy	StripedBlockInfo.getErasureCodingPolicy()
ErasureCodingPolicy	AddErasureCodingPolicyResponse.getPolicy()
ErasureCodingPolicy	ErasureCodingPolicyInfo.getPolicy()
static ErasureCodingPolicy	SystemErasureCodingPolicies.getReplicationPolicy()	Get the special REPLICATION policy.

Methods in org.apache.hadoop.hdfs.protocol that return types with arguments of type ErasureCodingPolicy

Modifier and Type	Method	Description
static List<ErasureCodingPolicy>	SystemErasureCodingPolicies.getPolicies()	Get system defined policies.

Methods in org.apache.hadoop.hdfs.protocol with parameters of type ErasureCodingPolicy

Modifier and Type	Method	Description
AddErasureCodingPolicyResponse[]	ClientProtocol.addErasureCodingPolicies(ErasureCodingPolicy[] policies)	Add Erasure coding policies to HDFS.
HdfsFileStatus.Builder	HdfsFileStatus.Builder.ecPolicy(ErasureCodingPolicy ecPolicy)	Set the erasure coding policy for this entity (default = null).

Constructors in org.apache.hadoop.hdfs.protocol with parameters of type ErasureCodingPolicy

Modifier	Constructor	Description
	AddErasureCodingPolicyResponse(ErasureCodingPolicy policy)
	AddErasureCodingPolicyResponse(ErasureCodingPolicy policy, String errorMsg)
	AddErasureCodingPolicyResponse(ErasureCodingPolicy policy, org.apache.hadoop.HadoopIllegalArgumentException e)
	ErasureCodingPolicyInfo(ErasureCodingPolicy thePolicy)
	ErasureCodingPolicyInfo(ErasureCodingPolicy thePolicy, ErasureCodingPolicyState theState)
	LocatedBlocks(long flength, boolean isUnderConstuction, List<LocatedBlock> blks, LocatedBlock lastBlock, boolean isLastBlockCompleted, org.apache.hadoop.fs.FileEncryptionInfo feInfo, ErasureCodingPolicy ecPolicy)
	StripedBlockInfo(ExtendedBlock block, DatanodeInfo[] datanodes, org.apache.hadoop.security.token.Token<BlockTokenIdentifier>[] blockTokens, byte[] blockIndices, ErasureCodingPolicy ecPolicy)

Uses of ErasureCodingPolicy in org.apache.hadoop.hdfs.protocolPB

Methods in org.apache.hadoop.hdfs.protocolPB that return ErasureCodingPolicy

Modifier and Type	Method	Description
static ErasureCodingPolicy	PBHelperClient.convertErasureCodingPolicy(org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.ErasureCodingPolicyProto proto)	Convert the protobuf to a ErasureCodingPolicy.
ErasureCodingPolicy	ClientNamenodeProtocolTranslatorPB.getErasureCodingPolicy(String src)

Methods in org.apache.hadoop.hdfs.protocolPB with parameters of type ErasureCodingPolicy

Modifier and Type	Method	Description
AddErasureCodingPolicyResponse[]	ClientNamenodeProtocolTranslatorPB.addErasureCodingPolicies(ErasureCodingPolicy[] policies)
static org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.ErasureCodingPolicyProto	PBHelperClient.convertErasureCodingPolicy(ErasureCodingPolicy policy)	Convert a ErasureCodingPolicy to protobuf.

Uses of ErasureCodingPolicy in org.apache.hadoop.hdfs.util

Methods in org.apache.hadoop.hdfs.util that return types with arguments of type ErasureCodingPolicy

Modifier and Type	Method	Description
List<ErasureCodingPolicy>	ECPolicyLoader.loadPolicy(String policyFilePath)	Load user defined EC policies from a XML configuration file.

Methods in org.apache.hadoop.hdfs.util with parameters of type ErasureCodingPolicy

Modifier and Type	Method	Description
static ExtendedBlock	StripedBlockUtil.constructInternalBlock(ExtendedBlock blockGroup, ErasureCodingPolicy ecPolicy, int idxInBlockGroup)
static StripedBlockUtil.AlignedStripe[]	StripedBlockUtil.divideByteRangeIntoStripes(ErasureCodingPolicy ecPolicy, int cellSize, LocatedStripedBlock blockGroup, long rangeStartInBlockGroup, long rangeEndInBlockGroup, ByteBuffer buf)	This method divides a requested byte range into an array of inclusive StripedBlockUtil.AlignedStripe.
static StripedBlockUtil.AlignedStripe[]	StripedBlockUtil.divideOneStripe(ErasureCodingPolicy ecPolicy, int cellSize, LocatedStripedBlock blockGroup, long rangeStartInBlockGroup, long rangeEndInBlockGroup, ByteBuffer buf)	Similar functionality with StripedBlockUtil.divideByteRangeIntoStripes(org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy, int, org.apache.hadoop.hdfs.protocol.LocatedStripedBlock, long, long, java.nio.ByteBuffer), but is used by stateful read and uses ByteBuffer as reading target buffer.
static long	StripedBlockUtil.getInternalBlockLength(long dataSize, ErasureCodingPolicy ecPolicy, int idxInBlockGroup)
static long	StripedBlockUtil.getSafeLength(ErasureCodingPolicy ecPolicy, long[] blockLens)	Compute the safe length given the internal block lengths.

Uses of ErasureCodingPolicy in org.apache.hadoop.hdfs.web

Methods in org.apache.hadoop.hdfs.web that return ErasureCodingPolicy

Modifier and Type	Method	Description
ErasureCodingPolicy	WebHdfsFileSystem.getErasureCodingPolicy(org.apache.hadoop.fs.Path p)
static ErasureCodingPolicy	JsonUtilClient.toECPolicy(Map<?,?> m)