public PayloadReader(PageLoader pageLoader, UInt64 pageNumber, UInt64 payloadPosition, UInt64 payloadOffset, UInt64 payloadSize) : base(pageLoader)
{
this.LoadPage(pageNumber);
this.Position = payloadPosition + payloadOffset;
this._payloadSize = payloadSize;
this._payloadSizeOnPage = this.CalculatePayloadSizeOfFirstPage(payloadSize);
this._payloadSizeOnPage -= payloadOffset; // 0 for header, header length for body
this._nextPage = 0;
this._bytesRead = 0;
this._bytesReadOnPage = 0;
this._isFirstPage = true;
}
protected virtual void Dispose(Boolean disposing)
{
if (!this._isDisposed)
{
if (disposing)
{
this._pageReader = null;
this._pageLoader = null;
if (this._stream != null)
{
this._stream.Close();
this._stream.Dispose();
this._stream = null;
}
}
this._isDisposed = true;
}
}
public PageReader(PageLoader pageLoader)
{
this._pageLoader = pageLoader;
this._bytes = new Byte[this._pageLoader.PageSize];
}
private void Open(Stream stream)
{
this._pageLoader = new PageLoader(stream, this.FileHeader);
this._pageReader = new PageReader(this._pageLoader);
}