internal long Persist()
{
if (_fragmentBlocks.Count <= 0)
{
return(-1);
}
if (_fragmentBlocks.Count * FragmentRecord.RecordSize > _context.DataBlockSize)
{
throw new NotImplementedException("Large numbers of fragments");
}
// Persist the table that references the block containing the fragment records
long blockPos = _context.RawStream.Position;
int recordSize = FragmentRecord.RecordSize;
byte[] buffer = new byte[_fragmentBlocks.Count * recordSize];
for (int i = 0; i < _fragmentBlocks.Count; ++i)
{
_fragmentBlocks[i].WriteTo(buffer, i * recordSize);
}
MetablockWriter writer = new MetablockWriter();
writer.Write(buffer, 0, buffer.Length);
writer.Persist(_context.RawStream);
long tablePos = _context.RawStream.Position;
byte[] tableBuffer = new byte[8];
Utilities.WriteBytesLittleEndian(blockPos, tableBuffer, 0);
_context.RawStream.Write(tableBuffer, 0, 8);
return(tablePos);
}
internal long Persist()
{
if (_ids.Count <= 0)
{
return(-1);
}
if (_ids.Count * 4 > _context.DataBlockSize)
{
throw new NotImplementedException("Large numbers of user / group id's");
}
for (int i = 0; i < _ids.Count; ++i)
{
Utilities.WriteBytesLittleEndian(_ids[i], _context.IoBuffer, i * 4);
}
// Persist the actual Id's
long blockPos = _context.RawStream.Position;
MetablockWriter writer = new MetablockWriter();
writer.Write(_context.IoBuffer, 0, _ids.Count * 4);
writer.Persist(_context.RawStream);
// Persist the table that references the block containing the id's
long tablePos = _context.RawStream.Position;
byte[] tableBuffer = new byte[8];
Utilities.WriteBytesLittleEndian(blockPos, tableBuffer, 0);
_context.RawStream.Write(tableBuffer, 0, 8);
return(tablePos);
}
internal long Persist()
{
if (_ids.Count <= 0)
{
return -1;
}
if (_ids.Count * 4 > _context.DataBlockSize)
{
throw new NotImplementedException("Large numbers of user / group id's");
}
for (int i = 0; i < _ids.Count; ++i)
{
Utilities.WriteBytesLittleEndian(_ids[i], _context.IoBuffer, i * 4);
}
// Persist the actual Id's
long blockPos = _context.RawStream.Position;
MetablockWriter writer = new MetablockWriter();
writer.Write(_context.IoBuffer, 0, _ids.Count * 4);
writer.Persist(_context.RawStream);
// Persist the table that references the block containing the id's
long tablePos = _context.RawStream.Position;
byte[] tableBuffer = new byte[8];
Utilities.WriteBytesLittleEndian(blockPos, tableBuffer, 0);
_context.RawStream.Write(tableBuffer, 0, 8);
return tablePos;
}
internal long Persist()
{
if (_fragmentBlocks.Count <= 0)
{
return -1;
}
if (_fragmentBlocks.Count * FragmentRecord.RecordSize > _context.DataBlockSize)
{
throw new NotImplementedException("Large numbers of fragments");
}
// Persist the table that references the block containing the fragment records
long blockPos = _context.RawStream.Position;
int recordSize = FragmentRecord.RecordSize;
byte[] buffer = new byte[_fragmentBlocks.Count * recordSize];
for (int i = 0; i < _fragmentBlocks.Count; ++i)
{
_fragmentBlocks[i].WriteTo(buffer, i * recordSize);
}
MetablockWriter writer = new MetablockWriter();
writer.Write(buffer, 0, buffer.Length);
writer.Persist(_context.RawStream);
long tablePos = _context.RawStream.Position;
byte[] tableBuffer = new byte[8];
Utilities.WriteBytesLittleEndian(blockPos, tableBuffer, 0);
_context.RawStream.Write(tableBuffer, 0, 8);
return tablePos;
}
