org.apache.hadoop.hdfs.server.common

类 UpgradeObject

java.lang.Object

org.apache.hadoop.hdfs.server.common.UpgradeObject

所有已实现的接口:

Comparable<Upgradeable>, Upgradeable

直接已知子类:

UpgradeObjectDatanode, UpgradeObjectNamenode

public abstract class UpgradeObject
extends Object
implements Upgradeable

Abstract upgrade object. Contains default implementation of common methods of Upgradeable interface.

字段概要

字段

限定符和类型	字段和说明
protected short	status

构造器概要

构造器

构造器和说明
UpgradeObject()

方法概要

方法

限定符和类型	方法和说明
int	compareTo(Upgradeable o)
boolean	equals(Object o)
String	getDescription() Description of the upgrade object for displaying.
short	getUpgradeStatus() Upgrade status determines a percentage of the work done out of the total amount required by the upgrade. 100% means that the upgrade is completed.
UpgradeStatusReport	getUpgradeStatusReport(boolean details) Get status report for the upgrade.
int	hashCode()

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.hadoop.hdfs.server.common.Upgradeable

completeUpgrade, getType, getVersion, startUpgrade

字段详细资料

status

protected short status

构造器详细资料

UpgradeObject

public UpgradeObject()

方法详细资料

getUpgradeStatus

public short getUpgradeStatus()

从接口复制的说明: Upgradeable

Upgrade status determines a percentage of the work done out of the total amount required by the upgrade. 100% means that the upgrade is completed. Any value < 100 means it is not complete. The return value should provide at least 2 values, e.g. 0 and 100.

指定者:

getUpgradeStatus 在接口中 Upgradeable

返回:

integer value in the range [0, 100].

getDescription

public String getDescription()

从接口复制的说明: Upgradeable

Description of the upgrade object for displaying.

指定者:

getDescription 在接口中 Upgradeable

返回:

description

getUpgradeStatusReport

public UpgradeStatusReport getUpgradeStatusReport(boolean details)
                                           throws IOException

从接口复制的说明: Upgradeable

Get status report for the upgrade.

指定者:

getUpgradeStatusReport 在接口中 Upgradeable

参数:

details - true if upgradeStatus details need to be included, false otherwise

返回:

UpgradeStatusReport

抛出:

IOException

compareTo

public int compareTo(Upgradeable o)

指定者:

compareTo 在接口中 Comparable<Upgradeable>

equals

public boolean equals(Object o)

覆盖:

equals 在类中 Object

hashCode

public int hashCode()

覆盖:

hashCode 在类中 Object