private static async Task ShrinkNormalAsync(Siaqodb siaqodb)
{
var allOrderByPos = (await(from RawdataInfo ri in siaqodb
where ri.IsFree == false
select ri).ToListAsync()).OrderBy(a => a.Position).ToList();
ISqoFile file = siaqodb.GetRawFile();
MemoryStream memStream = new MemoryStream();
MemoryStream memStreamNew = new MemoryStream();
byte[] fullFile = new byte[file.Length];
await file.ReadAsync(0, fullFile);
memStream.Write(fullFile, 0, fullFile.Length);
for (int i = 0; i < allOrderByPos.Count; i++)
{
RawdataInfo rawi = allOrderByPos[i];
byte[] actualBytes = new byte[rawi.Length];
memStream.Seek(rawi.Position, SeekOrigin.Begin);
memStream.Read(actualBytes, 0, actualBytes.Length);
if (i == 0)
{
rawi.Position = 0;
memStreamNew.Write(actualBytes, 0, actualBytes.Length);
}
else
{
RawdataInfo prev = allOrderByPos[i - 1];
rawi.Position = prev.Position + prev.Length;
memStreamNew.Seek(rawi.Position, SeekOrigin.Begin);
memStreamNew.Write(actualBytes, 0, actualBytes.Length);
}
}
for (int i = 0; i < allOrderByPos.Count; i++)
{
await siaqodb.StoreObjectAsync(allOrderByPos[i]);
}
file.Length = memStreamNew.Length;
await file.WriteAsync(0, memStreamNew.ToArray());
}
public async Task SerializeTypeAsync(SqoTypeInfo ti)
{
await file.WriteAsync(0, SerializeTypeToBuffer(ti)).ConfigureAwait(false);
}
public async Task <int> SaveTransactionalObjectAsync(byte[] objBytes, long pos)
{
await file.WriteAsync(pos, objBytes).ConfigureAwait(false);
return(objBytes.Length);
}