/// <summary>
/// Deletes the specified position.
/// </summary>
/// <param name="position">The position.</param>
public void Delete(long position)
{
lock (_writeLock)
{
if (FreeBlocks.Any(fb => fb.Equals(position)))
{
return;
}
Write(position, Encoding.ASCII.GetString(new byte[MaxBlockSize]));
FreeBlocks.Add(position);
BlocksFree++;
Save();
}
}
public void FreeBlock(int blockId)
{
VerifyValidDataBlock(blockId);
IsChanged = true;
var chainedBlock = _blocks[blockId];
if (AllocatedBlocks.Contains(blockId) || InitialFreeBlocks.Contains(blockId))
{
foreach (var id in chainedBlock.BlockIds)
{
FreeBlocks.Add(id);
}
}
else
{
foreach (var id in chainedBlock.BlockIds)
{
GarbageBlocks.Add(id);
}
}
_blocks.Remove(blockId);
}
