Package org.apache.hadoop.hdfs

Class DFSUtil.ServiceComparator

java.lang.Object

org.apache.hadoop.hdfs.DFSUtil.ServiceComparator

All Implemented Interfaces:

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

Direct Known Subclasses:

DFSUtil.StaleAndSlowComparator

Enclosing class:

DFSUtil

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

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

Constructor Summary

Constructors

Constructor	Description
ServiceComparator()

Method Summary

Modifier and Type	Method	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

equals, reversed, 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 java.util.Comparator<org.apache.hadoop.hdfs.protocol.DatanodeInfo>