DFSUtil.ServiceComparator (Apache Hadoop HDFS 3.5.0 API)

java.lang.Object

org.apache.hadoop.hdfs.DFSUtil.ServiceComparator

All Implemented Interfaces:: Comparator<org.apache.hadoop.hdfs.protocol.DatanodeInfo>

Direct Known Subclasses:: DFSUtil.StaleAndSlowComparator

Enclosing class:: 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

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 Details
- ServiceComparator
  
  public ServiceComparator()
Method Details
- 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>