org.apache.hadoop.hdfs

类 DFSUtil.StaleComparator

java.lang.Object

org.apache.hadoop.hdfs.DFSUtil.StaleComparator

所有已实现的接口:

Comparator<DatanodeInfo>

封闭类:

DFSUtil

public static class DFSUtil.StaleComparator
extends Object
implements Comparator<DatanodeInfo>

Comparator for sorting DataNodeInfo[] based on stale states. Stale nodes are moved to the end of the array on sorting with this comparator.

构造器概要

构造器

构造器和说明
DFSUtil.StaleComparator(long interval) Constructor of StaleComparator

方法概要

方法

限定符和类型	方法和说明
int	compare(DatanodeInfo a, DatanodeInfo b)

从类继承的方法 java.lang.Object

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

从接口继承的方法 java.util.Comparator

equals

构造器详细资料

DFSUtil.StaleComparator

public DFSUtil.StaleComparator(long interval)

Constructor of StaleComparator

参数:

interval - The time interval for marking datanodes as stale is passed from outside, since the interval may be changed dynamically

方法详细资料

compare

public int compare(DatanodeInfo a,
          DatanodeInfo b)

指定者:

compare 在接口中 Comparator<DatanodeInfo>