org.apache.hadoop.hdfs

Class DFSUtil.ServiceComparator

java.lang.Object

org.apache.hadoop.hdfs.DFSUtil.ServiceComparator

All Implemented Interfaces:

Comparator<org.apache.hadoop.hdfs.protocol.DatanodeInfo>

Enclosing class:

org.apache.hadoop.hdfs.DFSUtil

public static class DFSUtil.ServiceComparator
extends Object
implements Comparator<org.apache.hadoop.hdfs.protocol.DatanodeInfo>

Comparator for sorting DataNodeInfo[] based on decommissioned and entering_maintenance states.

Constructor Summary

Constructors

Constructor and Description
ServiceComparator()

Method Summary

Modifier and Type	Method and Description
int	compare(org.apache.hadoop.hdfs.protocol.DatanodeInfo a, org.apache.hadoop.hdfs.protocol.DatanodeInfo b)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Detail

ServiceComparator

public ServiceComparator()

Method Detail

compare

public int compare(org.apache.hadoop.hdfs.protocol.DatanodeInfo a,
                   org.apache.hadoop.hdfs.protocol.DatanodeInfo b)

Specified by:

compare in interface Comparator<org.apache.hadoop.hdfs.protocol.DatanodeInfo>