Interface DMWriter

All Known Implementing Classes:

DMWriterImpl

public interface DMWriter

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static interface	DMWriter.ProgressListener

Method Summary

Modifier and Type	Method	Description
DiskManagerWriteRequest	createWriteRequest(int pieceNumber, int offset, DirectByteBuffer data, Object user_data)
long	getLatency()
long[]	getStats()	4 entries, total write-ops, total write-bytes, outstanding write-ops, outstanding write-bytes
boolean	hasOutstandingWriteRequestForPiece(int piece_number)
void	start()
void	stop()
void	writeBlock(DiskManagerWriteRequest request, DiskManagerWriteRequestListener listener)
boolean	zeroFile(DiskManagerAllocationScheduler.AllocationInstance alloc_inst, DiskManagerFileInfoImpl file, long start_from, long overall_length, DMWriter.ProgressListener listener)

Method Details

start

void start()

stop

void stop()

zeroFile

boolean zeroFile(DiskManagerAllocationScheduler.AllocationInstance alloc_inst,
 DiskManagerFileInfoImpl file,
 long start_from,
 long overall_length,
 DMWriter.ProgressListener listener)
          throws DiskManagerException

Throws:

DiskManagerException

createWriteRequest

DiskManagerWriteRequest createWriteRequest(int pieceNumber,
 int offset,
 DirectByteBuffer data,
 Object user_data)

writeBlock

void writeBlock(DiskManagerWriteRequest request,
 DiskManagerWriteRequestListener listener)

hasOutstandingWriteRequestForPiece

boolean hasOutstandingWriteRequestForPiece(int piece_number)

getStats

long[] getStats()

4 entries, total write-ops, total write-bytes, outstanding write-ops, outstanding write-bytes

Returns:

getLatency

long getLatency()