public void Dispose()
{
if (LeaveCloseStream)
{
StoreStream.Dispose();
}
Lines.CollectionChanged -= OnLinesCollectionChanged;
}
protected virtual void Dispose(bool disposing)
{
if (!disposed && disposing)
{
StoreStream.Close();
StoreStream.Dispose();
}
disposed = true;
}
public T Find(IndexBlock indexBlock)
{
StoreStream.Position = indexBlock.StartPos;
int count = (int)(indexBlock.EndPos - indexBlock.StartPos);
byte[] buffer = new byte[count];
StoreStream.Read(buffer, 0, count);
using (var stream = new MemoryStream(buffer))
{
return(Transfer.Deserialize <T>(stream));
}
}
public IEnumerable <string> EnumerableLines()
{
StoreStream.Seek(0, SeekOrigin.Begin);
var sr = new StreamReader(StoreStream);
string str;
while ((str = sr.ReadLine()) != null)
{
if (!string.IsNullOrEmpty(str))
{
yield return(str);
}
}
}
public void Write()
{
writeLocker.Wait();
try
{
StoreStream.SetLength(0);
var sw = new StreamWriter(StoreStream);
foreach (var item in Lines.Skip(SkipCount).Distinct())
{
sw.WriteLine(item);
}
}
finally
{
writeLocker.Release();
}
}
public async Task WriteAsync()
{
await writeLocker.WaitAsync();
try
{
StoreStream.SetLength(0);
var sw = new StreamWriter(StoreStream);
foreach (var item in Lines.Skip(SkipCount).Distinct())
{
await sw.WriteLineAsync(item);
}
}
finally
{
writeLocker.Release();
}
}
virtual public void Clear()
{
StoreStream.Close();
File.Delete(StoreStream.Name);
StoreStream = new FileStream(StoreStream.Name, FileMode.Create);
}
virtual public void Flush()
{
StoreStream.Flush();
}
