Uses of Interface
org.apache.hadoop.hdfs.BlockReader

Packages that use BlockReader

Package	Description
org.apache.hadoop.hdfs
org.apache.hadoop.hdfs.client.impl	Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.
org.apache.hadoop.hdfs.util	Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.

Uses of BlockReader in org.apache.hadoop.hdfs

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

Modifier and Type	Method	Description
protected BlockReader	DFSInputStream.getBlockReader(LocatedBlock targetBlock, long offsetInBlock, long length, InetSocketAddress targetAddr, org.apache.hadoop.fs.StorageType storageType, DatanodeInfo datanode)

Uses of BlockReader in org.apache.hadoop.hdfs.client.impl

Classes in org.apache.hadoop.hdfs.client.impl that implement BlockReader

Modifier and Type	Class	Description
class	BlockReaderRemote	This is a wrapper around connection to datanode and understands checksum, offset etc.
final class	ExternalBlockReader	An ExternalBlockReader uses pluggable ReplicaAccessor objects to read from replicas.

Methods in org.apache.hadoop.hdfs.client.impl that return BlockReader

Modifier and Type	Method	Description
BlockReader	BlockReaderFactory.build()	Build a BlockReader with the given options.
static BlockReader	BlockReaderRemote.newBlockReader(String file, ExtendedBlock block, org.apache.hadoop.security.token.Token<BlockTokenIdentifier> blockToken, long startOffset, long len, boolean verifyChecksum, String clientName, Peer peer, DatanodeID datanodeID, PeerCache peerCache, CachingStrategy cachingStrategy, int networkDistance, org.apache.hadoop.conf.Configuration configuration)	Create a new BlockReader specifically to satisfy a read.

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

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

Modifier and Type	Method	Description
static void	IOUtilsClient.updateReadStatistics(ReadStatistics readStatistics, int nRead, BlockReader blockReader)