Class FMFileAccessCompact

java.lang.Object

com.biglybt.core.diskmanager.file.impl.FMFileAccessCompact

All Implemented Interfaces:

FMFileAccess

public class FMFileAccessCompact
extends Object
implements FMFileAccess

Nested Class Summary

Nested classes/interfaces inherited from interface FMFileAccess

FMFileAccess.FileAccessor

Field Summary

Fields

Modifier and Type	Field	Description
private final File	controlFileDir
private final String	controlFileName
private long	current_length_in_state
private final FMFileAccess	delegate
private long	first_piece_length
private long	first_piece_start
private long	last_piece_length
private long	last_piece_start
private static final byte	SS
private final boolean	state_required
private static final long	version
private boolean	write_required

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	FMFileAccessCompact(TOTorrentFile torrent_file, File _controlFileDir, String _controlFileName, FMFileAccess _delegate)

Method Summary

Modifier and Type	Method	Description
void	aboutToOpen()
void	flush()
FMFileImpl	getFile()
protected long	getFirstPieceLength()
protected long	getFirstPieceStart()
protected long	getLastPieceLength()
protected long	getLastPieceStart()
long	getLength(FMFileAccess.FileAccessor fa)
String	getString()
protected static boolean	isCompact(FMFileImpl file, TOTorrentFile torrent_file, File control_dir, String control_file_name, int target_type)
boolean	isPieceCompleteProcessingNeeded(int piece_number)
void	read(FMFileAccess.FileAccessor fa, DirectByteBuffer[] buffers, long position)
protected void	read(FMFileAccess.FileAccessor fa, DirectByteBuffer buffer, long position)
private void	readState()
void	setLength(FMFileAccess.FileAccessor fa, long length)
void	setPieceComplete(FMFileAccess.FileAccessor fa, int piece_number, DirectByteBuffer piece_data)
void	write(FMFileAccess.FileAccessor fa, DirectByteBuffer[] buffers, long position)
protected void	write(FMFileAccess.FileAccessor fa, DirectByteBuffer buffer, long position)
protected void	writeState()

Methods inherited from class Object

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

Field Details

SS

private static final byte SS

See Also:

• Constant Field Values

controlFileDir

private final File controlFileDir

controlFileName

private final String controlFileName

delegate

private final FMFileAccess delegate

current_length_in_state

private volatile long current_length_in_state

version

private static final long version

See Also:

• Constant Field Values

state_required

private final boolean state_required

write_required

private volatile boolean write_required

first_piece_start

private long first_piece_start

first_piece_length

private long first_piece_length

last_piece_start

private long last_piece_start

last_piece_length

private long last_piece_length

Constructor Details

FMFileAccessCompact

protected FMFileAccessCompact(TOTorrentFile torrent_file,
 File _controlFileDir,
 String _controlFileName,
 FMFileAccess _delegate)
                       throws FMFileManagerException

Throws:

FMFileManagerException

Method Details

isCompact

protected static boolean isCompact(FMFileImpl file,
 TOTorrentFile torrent_file,
 File control_dir,
 String control_file_name,
 int target_type)

getFirstPieceStart

protected long getFirstPieceStart()

getFirstPieceLength

protected long getFirstPieceLength()

getLastPieceStart

protected long getLastPieceStart()

getLastPieceLength

protected long getLastPieceLength()

aboutToOpen

public void aboutToOpen()
                 throws FMFileManagerException

Specified by:

aboutToOpen in interface FMFileAccess

Throws:

FMFileManagerException

getLength

public long getLength(FMFileAccess.FileAccessor fa)
               throws FMFileManagerException

Specified by:

getLength in interface FMFileAccess

Throws:

FMFileManagerException

setLength

public void setLength(FMFileAccess.FileAccessor fa,
 long length)
               throws FMFileManagerException

Specified by:

setLength in interface FMFileAccess

Throws:

FMFileManagerException

read

protected void read(FMFileAccess.FileAccessor fa,
 DirectByteBuffer buffer,
 long position)
             throws FMFileManagerException

Throws:

FMFileManagerException

read

public void read(FMFileAccess.FileAccessor fa,
 DirectByteBuffer[] buffers,
 long position)
          throws FMFileManagerException

Specified by:

read in interface FMFileAccess

Throws:

FMFileManagerException

write

protected void write(FMFileAccess.FileAccessor fa,
 DirectByteBuffer buffer,
 long position)
              throws FMFileManagerException

Throws:

FMFileManagerException

write

public void write(FMFileAccess.FileAccessor fa,
 DirectByteBuffer[] buffers,
 long position)
           throws FMFileManagerException

Specified by:

write in interface FMFileAccess

Throws:

FMFileManagerException

flush

public void flush()
           throws FMFileManagerException

Specified by:

flush in interface FMFileAccess

Throws:

FMFileManagerException

isPieceCompleteProcessingNeeded

public boolean isPieceCompleteProcessingNeeded(int piece_number)

Specified by:

isPieceCompleteProcessingNeeded in interface FMFileAccess

setPieceComplete

public void setPieceComplete(FMFileAccess.FileAccessor fa,
 int piece_number,
 DirectByteBuffer piece_data)
                      throws FMFileManagerException

Specified by:

setPieceComplete in interface FMFileAccess

Throws:

FMFileManagerException

readState

private void readState()
                throws FMFileManagerException

Throws:

FMFileManagerException

writeState

protected void writeState()
                   throws FMFileManagerException

Throws:

FMFileManagerException

getFile

public FMFileImpl getFile()

Specified by:

getFile in interface FMFileAccess

getString

public String getString()

Specified by:

getString in interface FMFileAccess