Package org.apache.hadoop.hdfs.server.blockmanagement

Class BlockInfoContiguous

java.lang.Object

org.apache.hadoop.hdfs.protocol.Block

org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo

org.apache.hadoop.hdfs.server.blockmanagement.BlockInfoContiguous

All Implemented Interfaces:

Comparable<org.apache.hadoop.hdfs.protocol.Block>, org.apache.hadoop.io.Writable, org.apache.hadoop.util.LightWeightGSet.LinkedElement

@Private
public class BlockInfoContiguous
extends BlockInfo

Subclass of BlockInfo, used for a block with replication scheme.

Field Summary

Fields inherited from class org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo

EMPTY_ARRAY, triplets

Fields inherited from class org.apache.hadoop.hdfs.protocol.Block

BLOCK_FILE_PREFIX, blockFilePattern, METADATA_EXTENSION, metaFilePattern, metaOrBlockFilePattern

Constructor Summary

Constructors

Constructor	Description
BlockInfoContiguous(short size)
BlockInfoContiguous(org.apache.hadoop.hdfs.protocol.Block blk, short size)

Method Summary

Modifier and Type	Method	Description
org.apache.hadoop.hdfs.protocol.BlockType	getBlockType()
final boolean	isStriped()
int	numNodes()	Count the number of data-nodes the block currently belongs to (i.e., NN has received block reports from the DN).

Methods inherited from class org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo

convertToBlockUnderConstruction, delete, equals, getBlockCollectionId, getBlockUCState, getCapacity, getDatanode, getNext, getReplication, getStorageInfos, getUnderConstructionFeature, hashCode, isComplete, isCompleteOrCommitted, isDeleted, isUnderRecovery, moveBlockToHead, setBlockCollectionId, setGenerationStampAndVerifyReplicas, setNext, setReplication

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

appendStringTo, compareTo, filename2id, getBlockId, getBlockId, getBlockName, getGenerationStamp, getGenerationStamp, getNumBytes, isBlockFilename, isMetaFilename, matchingIdAndGenStamp, metaToBlockFile, readFields, readId, set, setBlockId, setGenerationStamp, setNumBytes, toString, toString, write, writeId

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

BlockInfoContiguous

public BlockInfoContiguous(short size)

BlockInfoContiguous

public BlockInfoContiguous(org.apache.hadoop.hdfs.protocol.Block blk,
 short size)

Method Details

numNodes

public int numNodes()

Description copied from class: BlockInfo

Count the number of data-nodes the block currently belongs to (i.e., NN has received block reports from the DN).

Specified by:

numNodes in class BlockInfo

isStriped

public final boolean isStriped()

Specified by:

isStriped in class BlockInfo

getBlockType

public org.apache.hadoop.hdfs.protocol.BlockType getBlockType()

Specified by:

getBlockType in class BlockInfo