Package org.apache.hadoop.fs

Class FsStatus

java.lang.Object

org.apache.hadoop.fs.FsStatus

All Implemented Interfaces:

Writable

@Public
@Stable
public class FsStatus
extends java.lang.Object
implements Writable

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

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	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(java.io.DataInput in)	Deserialize the fields of this object from in.
void	write(java.io.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.

Parameters:

capacity - capacity.

used - used.

remaining - remaining.

Method Detail

getCapacity

public long getCapacity()

Return the capacity in bytes of the file system.

Returns:

capacity.

getUsed

public long getUsed()

Return the number of bytes used on the file system.

Returns:

used.

getRemaining

public long getRemaining()

Return the number of remaining bytes on the file system.

Returns:

remaining.

write

public void write(java.io.DataOutput out)
           throws java.io.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:

java.io.IOException - any other problem for write.

readFields

public void readFields(java.io.DataInput in)
                throws java.io.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:

java.io.IOException - any other problem for readFields.