org.apache.hadoop.fs

Class FsStatus

java.lang.Object

org.apache.hadoop.fs.FsStatus

All Implemented Interfaces:

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.

Constructor Summary

Constructors

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

Method Summary

Methods

Modifier and Type	Method and Description
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.

Methods inherited from class java.lang.Object

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

Constructor Detail

FsStatus

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

Construct a FsStatus object, using the specified statistics

Method Detail

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

Description copied from interface: Writable

Serialize the fields of this object to out.

Specified by:

write in interface Writable

Parameters:

out - DataOuput to serialize this object into.

Throws:

IOException

readFields

public void readFields(DataInput in)
                throws IOException

Description copied from interface: Writable

Deserialize the fields of this object from in.

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

Specified by:

readFields in interface Writable

Parameters:

in - DataInput to deseriablize this object from.

Throws:

IOException