Package org.apache.hadoop.hdfs.protocol

Class LocatedBlocks

java.lang.Object

org.apache.hadoop.hdfs.protocol.LocatedBlocks

@Private
@Evolving
public class LocatedBlocks
extends java.lang.Object

Collection of blocks with their locations and the file length.

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
int	findBlock(long offset)	Find block containing specified offset.
LocatedBlock	get(int index)	Get located block.
ErasureCodingPolicy	getErasureCodingPolicy()
org.apache.hadoop.fs.FileEncryptionInfo	getFileEncryptionInfo()
long	getFileLength()
static int	getInsertIndex(int binSearchResult)
LocatedBlock	getLastLocatedBlock()	Get the last located block.
java.util.List<LocatedBlock>	getLocatedBlocks()	Get located blocks.
void	insertRange(int blockIdx, java.util.List<LocatedBlock> newBlocks)
boolean	isLastBlockComplete()	Is the last block completed?
boolean	isUnderConstruction()	Return true if file was under construction when this LocatedBlocks was constructed, false otherwise.
int	locatedBlockCount()	Get number of located blocks.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

LocatedBlocks

public LocatedBlocks()

LocatedBlocks

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

Method Detail

getLocatedBlocks

public java.util.List<LocatedBlock> getLocatedBlocks()

Get located blocks.

getLastLocatedBlock

public LocatedBlock getLastLocatedBlock()

Get the last located block.

isLastBlockComplete

public boolean isLastBlockComplete()

Is the last block completed?

get

public LocatedBlock get(int index)

Get located block.

locatedBlockCount

public int locatedBlockCount()

Get number of located blocks.

getFileLength

public long getFileLength()

isUnderConstruction

public boolean isUnderConstruction()

Return true if file was under construction when this LocatedBlocks was constructed, false otherwise.

getFileEncryptionInfo

public org.apache.hadoop.fs.FileEncryptionInfo getFileEncryptionInfo()

Returns:

the FileEncryptionInfo for the LocatedBlocks

getErasureCodingPolicy

public ErasureCodingPolicy getErasureCodingPolicy()

Returns:

The ECPolicy for ErasureCoded file, null otherwise.

findBlock

public int findBlock(long offset)

Find block containing specified offset.

Returns:

block if found, or null otherwise.

insertRange

public void insertRange(int blockIdx,
                        java.util.List<LocatedBlock> newBlocks)

getInsertIndex

public static int getInsertIndex(int binSearchResult)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object