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

Packages that use LocatedBlock

Package	Description
org.apache.hadoop.fs	Implementations of AbstractFileSystem for hdfs over rpc and hdfs over web.
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.

Uses of LocatedBlock in org.apache.hadoop.fs

Methods in org.apache.hadoop.fs that return LocatedBlock

Modifier and Type	Method	Description
LocatedBlock	HdfsBlockLocation.getLocatedBlock()

Constructors in org.apache.hadoop.fs with parameters of type LocatedBlock

Modifier	Constructor	Description
	HdfsBlockLocation(org.apache.hadoop.fs.BlockLocation loc, LocatedBlock block)

Uses of LocatedBlock in org.apache.hadoop.hdfs

Fields in org.apache.hadoop.hdfs declared as LocatedBlock

Modifier and Type	Field	Description
protected LocatedBlock	DFSInputStream.currentLocatedBlock

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

Modifier and Type	Method	Description
protected LocatedBlock	DFSInputStream.fetchBlockAt(long offset)	Fetch a block from namenode and cache it
protected LocatedBlock	DFSInputStream.getBlockAt(long offset)	Get block at the specified position.
protected LocatedBlock	DFSInputStream.refreshLocatedBlock(LocatedBlock block)	Refresh cached block locations.
protected LocatedBlock	DFSStripedInputStream.refreshLocatedBlock(LocatedBlock block)	The super method DFSInputStream.refreshLocatedBlock(org.apache.hadoop.hdfs.protocol.LocatedBlock) refreshes cached LocatedBlock by executing DFSInputStream.getBlockAt(long) again.

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

Modifier and Type	Method	Description
List<LocatedBlock>	DFSInputStream.getAllBlocks()	Return collection of blocks that has already been located.

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

Modifier and Type	Method	Description
static ClientDatanodeProtocol	DFSUtilClient.createClientDatanodeProtocolProxy(DatanodeID datanodeid, org.apache.hadoop.conf.Configuration conf, int socketTimeout, boolean connectToDnViaHostname, LocatedBlock locatedBlock)	Create a ClientDatanodeProtocol proxy
protected void	DFSInputStream.fetchBlockByteRange(LocatedBlock block, long start, long end, ByteBuffer buf, DFSUtilClient.CorruptedBlocks corruptedBlocks, Map<InetSocketAddress,List<IOException>> exceptionMap)
protected void	DFSStripedInputStream.fetchBlockByteRange(LocatedBlock block, long start, long end, ByteBuffer buf, DFSUtilClient.CorruptedBlocks corruptedBlocks, Map<InetSocketAddress,List<IOException>> exceptionMap)	Real implementation of pread.
protected org.apache.hadoop.hdfs.DFSInputStream.DNAddrPair	DFSInputStream.getBestNodeDNAddrPair(LocatedBlock block, Collection<DatanodeInfo> ignoredNodes)	Get the best node from which to stream the data.
protected BlockReader	DFSInputStream.getBlockReader(LocatedBlock targetBlock, long offsetInBlock, long length, InetSocketAddress targetAddr, org.apache.hadoop.fs.StorageType storageType, DatanodeInfo datanode)
protected org.apache.hadoop.util.DataChecksum.Type	DFSClient.inferChecksumTypeByReading(LocatedBlock lb, DatanodeInfo dn)	Infer the checksum type for a replica by sending an OP_READ_BLOCK for the first byte of that replica.
void	DFSClientFaultInjector.onCreateBlockReader(LocatedBlock block, int chunkIndex, long offset, long length)
protected LocatedBlock	DFSInputStream.refreshLocatedBlock(LocatedBlock block)	Refresh cached block locations.
protected LocatedBlock	DFSStripedInputStream.refreshLocatedBlock(LocatedBlock block)	The super method DFSInputStream.refreshLocatedBlock(org.apache.hadoop.hdfs.protocol.LocatedBlock) refreshes cached LocatedBlock by executing DFSInputStream.getBlockAt(long) again.
void	DFSClient.reportBadBlocks(LocatedBlock[] blocks)	Report corrupt blocks that were discovered by the client.
protected void	DFSInputStream.reportLostBlock(LocatedBlock lostBlock, Collection<DatanodeInfo> ignoredNodes)	Warn the user of a lost block
protected void	DFSStripedInputStream.reportLostBlock(LocatedBlock lostBlock, Collection<DatanodeInfo> ignoredNodes)

Method parameters in org.apache.hadoop.hdfs with type arguments of type LocatedBlock

Modifier and Type	Method	Description
static org.apache.hadoop.fs.BlockLocation[]	DFSUtilClient.locatedBlocks2Locations(List<LocatedBlock> blocks)	Convert a List to BlockLocation[]

Constructors in org.apache.hadoop.hdfs with parameters of type LocatedBlock

Modifier	Constructor	Description
	CannotObtainBlockLengthException(LocatedBlock locatedBlock)	Constructs an CannotObtainBlockLengthException with the specified LocatedBlock that failed to obtain block length.
	CannotObtainBlockLengthException(LocatedBlock locatedBlock, String src)	Constructs an CannotObtainBlockLengthException with the specified LocatedBlock and file that failed to obtain block length.

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

Methods in org.apache.hadoop.hdfs.client that return types with arguments of type LocatedBlock

Modifier and Type	Method	Description
List<LocatedBlock>	HdfsDataInputStream.getAllBlocks()	Get the collection of blocks that has already been located.

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

Subclasses of LocatedBlock in org.apache.hadoop.hdfs.protocol

Modifier and Type	Class	Description
class	LocatedStripedBlock	LocatedBlock with striped block support.

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

Modifier and Type	Method	Description
LocatedBlock	ClientProtocol.addBlock(String src, String clientName, ExtendedBlock previous, DatanodeInfo[] excludeNodes, long fileId, String[] favoredNodes, EnumSet<AddBlockFlag> addBlockFlags)	A client that wants to write an additional block to the indicated filename (which must currently be open for writing) should call addBlock().
LocatedBlock	LocatedBlocks.get(int index)	Get located block.
LocatedBlock	ClientProtocol.getAdditionalDatanode(String src, long fileId, ExtendedBlock blk, DatanodeInfo[] existings, String[] existingStorageIDs, DatanodeInfo[] excludes, int numAdditionalNodes, String clientName)	Get a datanode for an existing pipeline.
LocatedBlock	LastBlockWithStatus.getLastBlock()
LocatedBlock	LocatedBlocks.getLastLocatedBlock()	Get the last located block.
LocatedBlock	ClientProtocol.updateBlockForPipeline(ExtendedBlock block, String clientName)	Get a new generation stamp together with an access token for a block under construction This method is called only when a client needs to recover a failed pipeline or set up a pipeline for appending to a block.

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

Modifier and Type	Method	Description
List<LocatedBlock>	LocatedBlocks.getLocatedBlocks()	Get located blocks.

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

Modifier and Type	Method	Description
void	ClientProtocol.reportBadBlocks(LocatedBlock[] blocks)	The client wants to report corrupted blocks (blocks with specified locations on datanodes).

Method parameters in org.apache.hadoop.hdfs.protocol with type arguments of type LocatedBlock

Modifier and Type	Method	Description
void	LocatedBlocks.insertRange(int blockIdx, List<LocatedBlock> newBlocks)

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

Modifier	Constructor	Description
	LastBlockWithStatus(LocatedBlock lastBlock, HdfsFileStatus fileStatus)
	LocatedBlocks(long flength, boolean isUnderConstuction, List<LocatedBlock> blks, LocatedBlock lastBlock, boolean isLastBlockCompleted, org.apache.hadoop.fs.FileEncryptionInfo feInfo, ErasureCodingPolicy ecPolicy)

Constructor parameters in org.apache.hadoop.hdfs.protocol with type arguments of type LocatedBlock

Modifier	Constructor	Description
	LocatedBlocks(long flength, boolean isUnderConstuction, List<LocatedBlock> blks, LocatedBlock lastBlock, boolean isLastBlockCompleted, org.apache.hadoop.fs.FileEncryptionInfo feInfo, ErasureCodingPolicy ecPolicy)

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

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

Modifier and Type	Method	Description
LocatedBlock	ClientNamenodeProtocolTranslatorPB.addBlock(String src, String clientName, ExtendedBlock previous, DatanodeInfo[] excludeNodes, long fileId, String[] favoredNodes, EnumSet<AddBlockFlag> addBlockFlags)
static LocatedBlock[]	PBHelperClient.convertLocatedBlock(org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.LocatedBlockProto[] lb)
static LocatedBlock	PBHelperClient.convertLocatedBlockProto(org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.LocatedBlockProto proto)
static LocatedBlock[]	PBHelperClient.convertLocatedBlocks(org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.LocatedBlockProto[] lb)
LocatedBlock	ClientNamenodeProtocolTranslatorPB.getAdditionalDatanode(String src, long fileId, ExtendedBlock blk, DatanodeInfo[] existings, String[] existingStorageIDs, DatanodeInfo[] excludes, int numAdditionalNodes, String clientName)
LocatedBlock	ClientNamenodeProtocolTranslatorPB.updateBlockForPipeline(ExtendedBlock block, String clientName)

Methods in org.apache.hadoop.hdfs.protocolPB that return types with arguments of type LocatedBlock

Modifier and Type	Method	Description
static List<LocatedBlock>	PBHelperClient.convertLocatedBlock(List<org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.LocatedBlockProto> lb)
static List<LocatedBlock>	PBHelperClient.convertLocatedBlocks(List<org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.LocatedBlockProto> lb)

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

Modifier and Type	Method	Description
static org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.LocatedBlockProto	PBHelperClient.convertLocatedBlock(LocatedBlock b)
static org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.LocatedBlockProto[]	PBHelperClient.convertLocatedBlocks(LocatedBlock[] lb)
void	ClientNamenodeProtocolTranslatorPB.reportBadBlocks(LocatedBlock[] blocks)

Method parameters in org.apache.hadoop.hdfs.protocolPB with type arguments of type LocatedBlock

Modifier and Type	Method	Description
static List<org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.LocatedBlockProto>	PBHelperClient.convertLocatedBlocks2(List<LocatedBlock> lb)

Constructors in org.apache.hadoop.hdfs.protocolPB with parameters of type LocatedBlock

Modifier	Constructor	Description
	ClientDatanodeProtocolTranslatorPB(DatanodeID datanodeid, org.apache.hadoop.conf.Configuration conf, int socketTimeout, boolean connectToDnViaHostname, LocatedBlock locatedBlock)

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

Methods in org.apache.hadoop.hdfs.util that return LocatedBlock

Modifier and Type	Method	Description
static LocatedBlock	StripedBlockUtil.constructInternalBlock(LocatedStripedBlock bg, int idxInReturnedLocs, int cellSize, int dataBlkNum, int idxInBlockGroup)	This method creates an internal block at the given index of a block group.
static LocatedBlock[]	StripedBlockUtil.parseStripedBlockGroup(LocatedStripedBlock bg, int cellSize, int dataBlkNum, int parityBlkNum)	This method parses a striped block group into individual blocks.