org.apache.nutch.ndfs
Interface FSConstants

All Known Implementing Classes:

FSDataset, FSDirectory, FSNamesystem, FSParam, FSResults, HeartbeatData, NDFS, NDFSClient

public interface FSConstants

Some handy constants

Author:

Mike Cafarella

Field Summary

static int	BLOCK_SIZE
static long	BLOCKREPORT_INTERVAL
static byte	CHUNKED_ENCODING
static int	COMPLETE_SUCCESS
static long	DATANODE_STARTUP_PERIOD
static long	EXPIRE_INTERVAL
static long	HEARTBEAT_INTERVAL
static long	LEASE_PERIOD
static long	OBSOLETE_INTERVAL
static byte	OP_ACK
static byte	OP_BLOCKRECEIVED
static byte	OP_BLOCKREPORT
static byte	OP_CLIENT_ABANDONBLOCK
static byte	OP_CLIENT_ABANDONBLOCK_ACK
static byte	OP_CLIENT_ADDBLOCK
static byte	OP_CLIENT_ADDBLOCK_ACK
static byte	OP_CLIENT_COMPLETEFILE
static byte	OP_CLIENT_COMPLETEFILE_ACK
static byte	OP_CLIENT_DATANODE_HINTS
static byte	OP_CLIENT_DATANODE_HINTS_ACK
static byte	OP_CLIENT_DATANODEREPORT
static byte	OP_CLIENT_DATANODEREPORT_ACK
static byte	OP_CLIENT_DELETE
static byte	OP_CLIENT_DELETE_ACK
static byte	OP_CLIENT_EXISTS
static byte	OP_CLIENT_EXISTS_ACK
static byte	OP_CLIENT_ISDIR
static byte	OP_CLIENT_ISDIR_ACK
static byte	OP_CLIENT_LISTING
static byte	OP_CLIENT_LISTING_ACK
static byte	OP_CLIENT_MKDIRS
static byte	OP_CLIENT_MKDIRS_ACK
static byte	OP_CLIENT_OBTAINLOCK
static byte	OP_CLIENT_OBTAINLOCK_ACK
static byte	OP_CLIENT_OPEN
static byte	OP_CLIENT_OPEN_ACK
static byte	OP_CLIENT_RAWSTATS
static byte	OP_CLIENT_RAWSTATS_ACK
static byte	OP_CLIENT_RELEASELOCK
static byte	OP_CLIENT_RELEASELOCK_ACK
static byte	OP_CLIENT_RENAMETO
static byte	OP_CLIENT_RENAMETO_ACK
static byte	OP_CLIENT_RENEW_LEASE
static byte	OP_CLIENT_RENEW_LEASE_ACK
static byte	OP_CLIENT_STARTFILE
static byte	OP_CLIENT_STARTFILE_ACK
static byte	OP_CLIENT_TRYAGAIN
static byte	OP_ERROR
static byte	OP_FAILURE
static byte	OP_HEARTBEAT
static byte	OP_INVALIDATE_BLOCKS
static byte	OP_READ_BLOCK
static byte	OP_READSKIP_BLOCK
static byte	OP_TRANSFERBLOCKS
static byte	OP_TRANSFERDATA
static byte	OP_WRITE_BLOCK
static int	OPERATION_FAILED
static byte	RUNLENGTH_ENCODING
static int	STILL_WAITING
static long	SYSTEM_STARTUP_PERIOD
static long	WRITE_COMPLETE

Field Detail

BLOCK_SIZE

public static final int BLOCK_SIZE

See Also:

Constant Field Values

WRITE_COMPLETE

public static final long WRITE_COMPLETE

See Also:

Constant Field Values

OP_ERROR

public static final byte OP_ERROR

See Also:

Constant Field Values

OP_HEARTBEAT

public static final byte OP_HEARTBEAT

See Also:

Constant Field Values

OP_BLOCKRECEIVED

public static final byte OP_BLOCKRECEIVED

See Also:

Constant Field Values

OP_BLOCKREPORT

public static final byte OP_BLOCKREPORT

See Also:

Constant Field Values

OP_TRANSFERDATA

public static final byte OP_TRANSFERDATA

See Also:

Constant Field Values

OP_CLIENT_OPEN

public static final byte OP_CLIENT_OPEN

See Also:

Constant Field Values

OP_CLIENT_STARTFILE

public static final byte OP_CLIENT_STARTFILE

See Also:

Constant Field Values

OP_CLIENT_ADDBLOCK

public static final byte OP_CLIENT_ADDBLOCK

See Also:

Constant Field Values

OP_CLIENT_RENAMETO

public static final byte OP_CLIENT_RENAMETO

See Also:

Constant Field Values

OP_CLIENT_DELETE

public static final byte OP_CLIENT_DELETE

See Also:

Constant Field Values

OP_CLIENT_COMPLETEFILE

public static final byte OP_CLIENT_COMPLETEFILE

See Also:

Constant Field Values

OP_CLIENT_LISTING

public static final byte OP_CLIENT_LISTING

See Also:

Constant Field Values

OP_CLIENT_OBTAINLOCK

public static final byte OP_CLIENT_OBTAINLOCK

See Also:

Constant Field Values

OP_CLIENT_RELEASELOCK

public static final byte OP_CLIENT_RELEASELOCK

See Also:

Constant Field Values

OP_CLIENT_EXISTS

public static final byte OP_CLIENT_EXISTS

See Also:

Constant Field Values

OP_CLIENT_ISDIR

public static final byte OP_CLIENT_ISDIR

See Also:

Constant Field Values

OP_CLIENT_MKDIRS

public static final byte OP_CLIENT_MKDIRS

See Also:

Constant Field Values

OP_CLIENT_RENEW_LEASE

public static final byte OP_CLIENT_RENEW_LEASE

See Also:

Constant Field Values

OP_CLIENT_ABANDONBLOCK

public static final byte OP_CLIENT_ABANDONBLOCK

See Also:

Constant Field Values

OP_CLIENT_RAWSTATS

public static final byte OP_CLIENT_RAWSTATS

See Also:

Constant Field Values

OP_CLIENT_DATANODEREPORT

public static final byte OP_CLIENT_DATANODEREPORT

See Also:

Constant Field Values

OP_CLIENT_DATANODE_HINTS

public static final byte OP_CLIENT_DATANODE_HINTS

See Also:

Constant Field Values

OP_ACK

public static final byte OP_ACK

See Also:

Constant Field Values

OP_TRANSFERBLOCKS

public static final byte OP_TRANSFERBLOCKS

See Also:

Constant Field Values

OP_INVALIDATE_BLOCKS

public static final byte OP_INVALIDATE_BLOCKS

See Also:

Constant Field Values

OP_FAILURE

public static final byte OP_FAILURE

See Also:

Constant Field Values

OP_CLIENT_OPEN_ACK

public static final byte OP_CLIENT_OPEN_ACK

See Also:

Constant Field Values

OP_CLIENT_STARTFILE_ACK

public static final byte OP_CLIENT_STARTFILE_ACK

See Also:

Constant Field Values

OP_CLIENT_ADDBLOCK_ACK

public static final byte OP_CLIENT_ADDBLOCK_ACK

See Also:

Constant Field Values

OP_CLIENT_RENAMETO_ACK

public static final byte OP_CLIENT_RENAMETO_ACK

See Also:

Constant Field Values

OP_CLIENT_DELETE_ACK

public static final byte OP_CLIENT_DELETE_ACK

See Also:

Constant Field Values

OP_CLIENT_COMPLETEFILE_ACK

public static final byte OP_CLIENT_COMPLETEFILE_ACK

See Also:

Constant Field Values

OP_CLIENT_TRYAGAIN

public static final byte OP_CLIENT_TRYAGAIN

See Also:

Constant Field Values

OP_CLIENT_LISTING_ACK

public static final byte OP_CLIENT_LISTING_ACK

See Also:

Constant Field Values

OP_CLIENT_OBTAINLOCK_ACK

public static final byte OP_CLIENT_OBTAINLOCK_ACK

See Also:

Constant Field Values

OP_CLIENT_RELEASELOCK_ACK

public static final byte OP_CLIENT_RELEASELOCK_ACK

See Also:

Constant Field Values

OP_CLIENT_EXISTS_ACK

public static final byte OP_CLIENT_EXISTS_ACK

See Also:

Constant Field Values

OP_CLIENT_ISDIR_ACK

public static final byte OP_CLIENT_ISDIR_ACK

See Also:

Constant Field Values

OP_CLIENT_MKDIRS_ACK

public static final byte OP_CLIENT_MKDIRS_ACK

See Also:

Constant Field Values

OP_CLIENT_RENEW_LEASE_ACK

public static final byte OP_CLIENT_RENEW_LEASE_ACK

See Also:

Constant Field Values

OP_CLIENT_ABANDONBLOCK_ACK

public static final byte OP_CLIENT_ABANDONBLOCK_ACK

See Also:

Constant Field Values

OP_CLIENT_RAWSTATS_ACK

public static final byte OP_CLIENT_RAWSTATS_ACK

See Also:

Constant Field Values

OP_CLIENT_DATANODEREPORT_ACK

public static final byte OP_CLIENT_DATANODEREPORT_ACK

See Also:

Constant Field Values

OP_CLIENT_DATANODE_HINTS_ACK

public static final byte OP_CLIENT_DATANODE_HINTS_ACK

See Also:

Constant Field Values

OP_WRITE_BLOCK

public static final byte OP_WRITE_BLOCK

See Also:

Constant Field Values

OP_READ_BLOCK

public static final byte OP_READ_BLOCK

See Also:

Constant Field Values

OP_READSKIP_BLOCK

public static final byte OP_READSKIP_BLOCK

See Also:

Constant Field Values

RUNLENGTH_ENCODING

public static final byte RUNLENGTH_ENCODING

See Also:

Constant Field Values

CHUNKED_ENCODING

public static final byte CHUNKED_ENCODING

See Also:

Constant Field Values

OPERATION_FAILED

public static final int OPERATION_FAILED

See Also:

Constant Field Values

STILL_WAITING

public static final int STILL_WAITING

See Also:

Constant Field Values

COMPLETE_SUCCESS

public static final int COMPLETE_SUCCESS

See Also:

Constant Field Values

HEARTBEAT_INTERVAL

public static final long HEARTBEAT_INTERVAL

See Also:

Constant Field Values

EXPIRE_INTERVAL

public static final long EXPIRE_INTERVAL

See Also:

Constant Field Values

BLOCKREPORT_INTERVAL

public static final long BLOCKREPORT_INTERVAL

See Also:

Constant Field Values

OBSOLETE_INTERVAL

public static final long OBSOLETE_INTERVAL

See Also:

Constant Field Values

SYSTEM_STARTUP_PERIOD

public static final long SYSTEM_STARTUP_PERIOD

See Also:

Constant Field Values

DATANODE_STARTUP_PERIOD

public static final long DATANODE_STARTUP_PERIOD

See Also:

Constant Field Values

LEASE_PERIOD

public static final long LEASE_PERIOD

See Also:

Constant Field Values