org.apache.hadoop.hdfs.server.common

类 UpgradeStatusReport

java.lang.Object

org.apache.hadoop.hdfs.server.common.UpgradeStatusReport

所有已实现的接口:

Writable

public class UpgradeStatusReport
extends Object
implements Writable

Base upgrade upgradeStatus class. Overload this class if specific status fields need to be reported. Describes status of current upgrade.

字段概要

字段

限定符和类型	字段和说明
protected boolean	finalized
protected short	upgradeStatus
protected int	version

构造器概要

构造器

构造器和说明
UpgradeStatusReport()
UpgradeStatusReport(int version, short status, boolean isFinalized)

方法概要

方法

限定符和类型	方法和说明
String	getStatusText(boolean details) Get upgradeStatus data as a text for reporting.
short	getUpgradeStatus() Get upgrade upgradeStatus as a percentage of the total upgrade done.
int	getVersion() Get the layout version of the currently running upgrade.
boolean	isFinalized() Is current upgrade finalized.
void	readFields(DataInput in) Deserialize the fields of this object from in.
String	toString() Print basic upgradeStatus details.
void	write(DataOutput out) Serialize the fields of this object to out.

从类继承的方法 java.lang.Object

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

字段详细资料

version

protected int version

upgradeStatus

protected short upgradeStatus

finalized

protected boolean finalized

构造器详细资料

UpgradeStatusReport

public UpgradeStatusReport()

UpgradeStatusReport

public UpgradeStatusReport(int version,
                   short status,
                   boolean isFinalized)

方法详细资料

getVersion

public int getVersion()

Get the layout version of the currently running upgrade.

返回:

layout version

getUpgradeStatus

public short getUpgradeStatus()

Get upgrade upgradeStatus as a percentage of the total upgrade done.

另请参阅:

Upgradeable.getUpgradeStatus()

isFinalized

public boolean isFinalized()

Is current upgrade finalized.

返回:

true if finalized or false otherwise.

getStatusText

public String getStatusText(boolean details)

Get upgradeStatus data as a text for reporting. Should be overloaded for a particular upgrade specific upgradeStatus data.

参数:

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

返回:

text

toString

public String toString()

Print basic upgradeStatus details.

覆盖:

toString 在类中 Object

write

public void write(DataOutput out)
           throws IOException

从接口复制的说明: Writable

Serialize the fields of this object to out.

指定者:

write 在接口中 Writable

参数:

out - DataOuput to serialize this object into.

抛出:

IOException

readFields

public void readFields(DataInput in)
                throws IOException

从接口复制的说明: Writable

Deserialize the fields of this object from in.

For efficiency, implementations should attempt to re-use storage in the existing object where possible.

指定者:

readFields 在接口中 Writable

参数:

in - DataInput to deseriablize this object from.

抛出:

IOException