org.apache.hadoop.hdfs.server.balancer

Class Dispatcher.DBlock

java.lang.Object

org.apache.hadoop.hdfs.server.balancer.MovedBlocks.Locations<Dispatcher.DDatanode.StorageGroup>

org.apache.hadoop.hdfs.server.balancer.Dispatcher.DBlock

Enclosing class:

org.apache.hadoop.hdfs.server.balancer.Dispatcher

public static class Dispatcher.DBlock
extends MovedBlocks.Locations<Dispatcher.DDatanode.StorageGroup>

A class for keeping track of block locations in the dispatcher.

Field Summary

Fields inherited from class org.apache.hadoop.hdfs.server.balancer.MovedBlocks.Locations

locations

Constructor Summary

Constructors

Constructor and Description
Dispatcher.DBlock(org.apache.hadoop.hdfs.protocol.Block block)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	isLocatedOn(Dispatcher.DDatanode.StorageGroup loc)

Methods inherited from class org.apache.hadoop.hdfs.server.balancer.MovedBlocks.Locations

addLocation, clearLocations, getBlock, getLocations, getNumBytes

Methods inherited from class java.lang.Object

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

Constructor Detail

Dispatcher.DBlock

public Dispatcher.DBlock(org.apache.hadoop.hdfs.protocol.Block block)

Method Detail

isLocatedOn

public boolean isLocatedOn(Dispatcher.DDatanode.StorageGroup loc)

Overrides:

isLocatedOn in class MovedBlocks.Locations<Dispatcher.DDatanode.StorageGroup>

Returns:

if the block is located on the given location.