public int ReadPageData(FileStreamWrapper stream, int pageIdx)
{
if (null == stream)
{
throw new ArgumentNullException();
}
byte[] dataBuffer = new byte[PageSize];
// read from the file stream
if (0 > pageIdx ||
stream.Length < (pageIdx + 1) * PageSize)
{
throw new InvalidPageException();
}
stream.Seek(pageIdx * PageSize, SeekOrigin.Begin);
stream.Read(dataBuffer, 0, dataBuffer.Length);
// initialize members
this.recordList = new List <byte[]>();
this.ReadPageData(dataBuffer);
return(pageIdx);
}
public int ReadPageData(FileStreamWrapper stream, int pageIdx)
{
if (null == stream)
{
throw new ArgumentNullException();
}
byte[] dataBuffer = new byte[PageSize];
// read from the file stream
if (0 > pageIdx
|| stream.Length < (pageIdx + 1) * PageSize)
{
throw new InvalidPageException();
}
stream.Seek(pageIdx * PageSize, SeekOrigin.Begin);
stream.Read(dataBuffer, 0, dataBuffer.Length);
// initialize members
this.recordList = new List<byte[]>();
this.ReadPageData(dataBuffer);
return pageIdx;
}