Package org.apache.hadoop.hdfs.server.protocol

Class BlockRecoveryCommand.RecoveringBlock

java.lang.Object

org.apache.hadoop.hdfs.protocol.LocatedBlock

org.apache.hadoop.hdfs.server.protocol.BlockRecoveryCommand.RecoveringBlock

Direct Known Subclasses:

BlockRecoveryCommand.RecoveringStripedBlock

Enclosing class:

BlockRecoveryCommand

@Private
@Evolving
public static class BlockRecoveryCommand.RecoveringBlock
extends org.apache.hadoop.hdfs.protocol.LocatedBlock

This is a block with locations from which it should be recovered and the new generation stamp, which the block will have after successful recovery. The new generation stamp of the block, also plays role of the recovery id.

Constructor Summary

Constructors

Constructor	Description
RecoveringBlock(org.apache.hadoop.hdfs.protocol.ExtendedBlock b, org.apache.hadoop.hdfs.protocol.DatanodeInfo[] locs, long newGS)	Create RecoveringBlock.
RecoveringBlock(org.apache.hadoop.hdfs.protocol.ExtendedBlock b, org.apache.hadoop.hdfs.protocol.DatanodeInfo[] locs, org.apache.hadoop.hdfs.protocol.Block recoveryBlock)	Create RecoveringBlock with copy-on-truncate option.
RecoveringBlock(BlockRecoveryCommand.RecoveringBlock rBlock)

Method Summary

Modifier and Type	Method	Description
org.apache.hadoop.hdfs.protocol.Block	getNewBlock()	Return the new block.
long	getNewGenerationStamp()	Return the new generation stamp of the block, which also plays role of the recovery id.

Methods inherited from class org.apache.hadoop.hdfs.protocol.LocatedBlock

addCachedLoc, getBlock, getBlockSize, getBlockToken, getBlockType, getCachedLocations, getLocations, getStartOffset, getStorageIDs, getStorageTypes, isCorrupt, isStriped, moveProvidedToEnd, setBlockToken, setCorrupt, setStartOffset, toString, updateCachedStorageInfo

Methods inherited from class java.lang.Object

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

Constructor Detail

RecoveringBlock

public RecoveringBlock(org.apache.hadoop.hdfs.protocol.ExtendedBlock b,
                       org.apache.hadoop.hdfs.protocol.DatanodeInfo[] locs,
                       long newGS)

Create RecoveringBlock.

RecoveringBlock

public RecoveringBlock(org.apache.hadoop.hdfs.protocol.ExtendedBlock b,
                       org.apache.hadoop.hdfs.protocol.DatanodeInfo[] locs,
                       org.apache.hadoop.hdfs.protocol.Block recoveryBlock)

Create RecoveringBlock with copy-on-truncate option.

RecoveringBlock

public RecoveringBlock(BlockRecoveryCommand.RecoveringBlock rBlock)

Method Detail

getNewGenerationStamp

public long getNewGenerationStamp()

Return the new generation stamp of the block, which also plays role of the recovery id.

getNewBlock

public org.apache.hadoop.hdfs.protocol.Block getNewBlock()

Return the new block.