org.apache.hadoop.hdfs.server.namenode

Class INode.BlocksMapUpdateInfo

java.lang.Object

org.apache.hadoop.hdfs.server.namenode.INode.BlocksMapUpdateInfo

Enclosing class:

org.apache.hadoop.hdfs.server.namenode.INode

public static class INode.BlocksMapUpdateInfo
extends Object

Information used for updating the blocksMap when deleting files.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	INode.BlocksMapUpdateInfo.UpdatedReplicationInfo The blocks whose replication factor need to be updated.

Constructor Summary

Constructors

Constructor and Description
BlocksMapUpdateInfo()

Method Summary

Modifier and Type	Method and Description
void	addDeleteBlock(org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo toDelete) Add a to-be-deleted block into the toDeleteList
void	addUpdateReplicationFactor(org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo block, short targetRepl)
void	clear() Clear toDeleteList
List<org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo>	getToDeleteList()
List<INode.BlocksMapUpdateInfo.UpdatedReplicationInfo>	toUpdateReplicationInfo()

Methods inherited from class java.lang.Object

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

Constructor Detail

BlocksMapUpdateInfo

public BlocksMapUpdateInfo()

Method Detail

getToDeleteList

public List<org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo> getToDeleteList()

Returns:

The list of blocks that need to be removed from blocksMap

toUpdateReplicationInfo

public List<INode.BlocksMapUpdateInfo.UpdatedReplicationInfo> toUpdateReplicationInfo()

addDeleteBlock

public void addDeleteBlock(org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo toDelete)

Add a to-be-deleted block into the toDeleteList

Parameters:

toDelete - the to-be-deleted block

addUpdateReplicationFactor

public void addUpdateReplicationFactor(org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo block,
                                       short targetRepl)

clear

public void clear()

Clear toDeleteList