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 java.lang.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

Constructor Summary

Constructors

Constructor and Description
HostAndWeight(java.lang.String host, long weight) Constructor

Method Summary

Modifier and Type	Method and Description
void	addWeight(long weight) add weight
java.lang.String	getHost()
long	getWeight()

Methods inherited from class java.lang.Object

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

Constructor Detail

HostAndWeight

public HostAndWeight(java.lang.String host,
                     long weight)

Constructor

Parameters:

host - the host name

weight - the weight

Method Detail

addWeight

public void addWeight(long weight)

add weight

Parameters:

weight - the weight

getHost

public java.lang.String getHost()

Returns:

the host name

getWeight

public long getWeight()

Returns:

the weight