org.apache.hadoop.mapreduce

クラス TaskTrackerInfo

java.lang.Object

org.apache.hadoop.mapreduce.TaskTrackerInfo

すべての実装されたインタフェース:

Writable

@InterfaceAudience.Public
 @InterfaceStability.Evolving
public class TaskTrackerInfo
extends Object
implements Writable

Information about TaskTracker.

コンストラクタのサマリー

コンストラクタ

コンストラクタと説明
TaskTrackerInfo()
TaskTrackerInfo(String name)
TaskTrackerInfo(String name, String reasonForBlacklist, String report)

メソッドのサマリー

修飾子とタイプ	メソッドと説明
String	getBlacklistReport() Gets a descriptive report about why the tasktracker was blacklisted.
String	getReasonForBlacklist() Gets the reason for which the tasktracker was blacklisted.
String	getTaskTrackerName() Gets the tasktracker's name.
boolean	isBlacklisted() Whether tracker is blacklisted
void	readFields(DataInput in) Deserialize the fields of this object from in.
void	write(DataOutput out) Serialize the fields of this object to out.

クラスから継承されたメソッド java.lang.Object

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

コンストラクタの詳細

TaskTrackerInfo

public TaskTrackerInfo()

TaskTrackerInfo

public TaskTrackerInfo(String name)

TaskTrackerInfo

public TaskTrackerInfo(String name,
                       String reasonForBlacklist,
                       String report)

メソッドの詳細

getTaskTrackerName

public String getTaskTrackerName()

Gets the tasktracker's name.

戻り値:

tracker's name.

isBlacklisted

public boolean isBlacklisted()

Whether tracker is blacklisted

戻り値:

true if tracker is blacklisted false otherwise

getReasonForBlacklist

public String getReasonForBlacklist()

Gets the reason for which the tasktracker was blacklisted.

戻り値:

reason which tracker was blacklisted

getBlacklistReport

public String getBlacklistReport()

Gets a descriptive report about why the tasktracker was blacklisted.

戻り値:

report describing why the tasktracker was blacklisted.

readFields

public void readFields(DataInput in)
                throws IOException

インタフェースからコピーされた説明: Writable

Deserialize the fields of this object from in.

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

定義:

readFields インタフェース内 Writable

パラメータ:

in - DataInput to deseriablize this object from.

例外:

IOException

write

public void write(DataOutput out)
           throws IOException

インタフェースからコピーされた説明: Writable

Serialize the fields of this object to out.

定義:

write インタフェース内 Writable

パラメータ:

out - DataOuput to serialize this object into.

例外:

IOException