/// <exception cref="Db4objects.Db4o.Ext.Db4oIOException"></exception>
private void GetPageFromDisk(CachedIoAdapter.Page page, long pos)
{
long startAddress = pos - pos % _pageSize;
page.StartAddress(startAddress);
IoSeek(page._startAddress);
int count = IoRead(page);
if (count > 0)
{
page.EndAddress(startAddress + count);
}
else
{
page.EndAddress(startAddress);
}
}
/// <exception cref="Db4objects.Db4o.Ext.Db4oIOException"></exception>
private void WritePageToDisk(CachedIoAdapter.Page page)
{
ValidateReadOnly();
try
{
_io.Write(page._buffer, page.Size());
_filePointer = page.EndAddress();
page._dirty = false;
}
catch (Db4oIOException e)
{
_readOnly = true;
throw;
}
}
private void ResetPageAddress(CachedIoAdapter.Page page, long startAddress)
{
page.StartAddress(startAddress);
page.EndAddress(startAddress + _pageSize);
}