org.apache.hadoop.fs

クラス FsStatus

java.lang.Object

org.apache.hadoop.fs.FsStatus

すべての実装されたインタフェース:

Writable

@InterfaceAudience.Public
 @InterfaceStability.Stable
public class FsStatus
extends Object
implements Writable

This class is used to represent the capacity, free and used space on a FileSystem.

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
FsStatus(long capacity, long used, long remaining) Construct a FsStatus object, using the specified statistics

メソッドのサマリー

修飾子とタイプ	メソッドと説明
long	getCapacity() Return the capacity in bytes of the file system
long	getRemaining() Return the number of remaining bytes on the file system
long	getUsed() Return the number of bytes used on the file system
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

FsStatus

public FsStatus(long capacity,
                long used,
                long remaining)

Construct a FsStatus object, using the specified statistics

メソッドの詳細

getCapacity

public long getCapacity()

Return the capacity in bytes of the file system

getUsed

public long getUsed()

Return the number of bytes used on the file system

getRemaining

public long getRemaining()

Return the number of remaining bytes on the file system

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

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