org.apache.hadoop.hbase

Class HDFSBlocksDistribution.HostAndWeight

java.lang.Object

org.apache.hadoop.hbase.HDFSBlocksDistribution.HostAndWeight

Enclosing class:

HDFSBlocksDistribution

public static class HDFSBlocksDistribution.HostAndWeight
extends Object

Stores the hostname and weight for that hostname. This is used when determining the physical locations of the blocks making up a region. To make a prioritized list of the hosts holding the most data of a region, this class is used to count the total weight for each host. The weight is currently just the size of the file.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	HDFSBlocksDistribution.HostAndWeight.WeightComparator Comparator used to sort hosts based on weight

Field Summary

Fields

Modifier and Type	Field and Description
private String	host
private long	weight
private long	weightForSsd

Constructor Summary

Constructors

Constructor and Description
HostAndWeight(String host, long weight, long weightForSsd) Constructor

Method Summary

Modifier and Type	Method and Description
void	addWeight(long weight, long weightForSsd) add weight
String	getHost() Returns the host name
long	getWeight() Returns the weight
long	getWeightForSsd() Returns the weight for ssd

Methods inherited from class java.lang.Object

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

Field Detail

host

private final String host

weight

private long weight

weightForSsd

private long weightForSsd

Constructor Detail

HostAndWeight

public HostAndWeight(String host,
                     long weight,
                     long weightForSsd)

Constructor

Parameters:

host - the host name

weight - the weight

weightForSsd - the weight for ssd

Method Detail

addWeight

public void addWeight(long weight,
                      long weightForSsd)

add weight

Parameters:

weight - the weight

weightForSsd - the weight for ssd

getHost

public String getHost()

Returns the host name

getWeight

public long getWeight()

Returns the weight

getWeightForSsd

public long getWeightForSsd()

Returns the weight for ssd