org.apache.hadoop.nfs.nfs3

Class FileHandle

java.lang.Object

org.apache.hadoop.nfs.nfs3.FileHandle

public class FileHandle
extends Object

This is a file handle use by the NFS clients. Server returns this handle to the client, which is used by the client on subsequent operations to reference the file.

Constructor Summary

Constructors

Constructor and Description
FileHandle()
FileHandle(long v)
FileHandle(long v, int n) Handle is a 32 bytes number.
FileHandle(String s)

Method Summary

Modifier and Type	Method and Description
boolean	deserialize(XDR xdr)
String	dumpFileHandle()
boolean	equals(Object o)
byte[]	getContent()
long	getFileId()
int	getNamenodeId()
int	hashCode()
boolean	serialize(XDR out)
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

FileHandle

public FileHandle()

FileHandle

public FileHandle(long v,
                  int n)

Handle is a 32 bytes number. For HDFS, the last 8 bytes is fileId For ViewFs, last 8 byte is fileId while 4 bytes before that is namenodeId

Parameters:

v - file id

n - namenode id

FileHandle

public FileHandle(long v)

FileHandle

public FileHandle(String s)

Method Detail

serialize

public boolean serialize(XDR out)

deserialize

public boolean deserialize(XDR xdr)

getFileId

public long getFileId()

getNamenodeId

public int getNamenodeId()

getContent

public byte[] getContent()

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

dumpFileHandle

public String dumpFileHandle()