private byte *AcquirePagePointerInternal(IPagerLevelTransactionState tx, long pageNumber, PagerState pagerState)
{
if (DisposeOnceRunner.Disposed)
{
goto AlreadyDisposed;
}
if (pageNumber > NumberOfAllocatedPages || pageNumber < 0)
{
goto InvalidPageNumber;
}
var state = pagerState;
if (state == null)
{
state = _pagerState;
if (state == null)
{
goto AlreadyDisposed;
}
}
tx?.EnsurePagerStateReference(state);
return(state.MapBase + pageNumber * Constants.Storage.PageSize);
AlreadyDisposed:
ThrowAlreadyDisposedException();
InvalidPageNumber:
ThrowOnInvalidPageNumber(pageNumber);
return(null); // Will never happen.
}
private byte* AcquirePagePointerInternal(IPagerLevelTransactionState tx, long pageNumber, PagerState pagerState)
{
var state = pagerState;
if (DisposeOnceRunner.Disposed)
goto AlreadyDisposed;
if (pageNumber > NumberOfAllocatedPages || pageNumber < 0)
goto InvalidPageNumber;
if (state == null)
{
state = _pagerState;
if (state == null)
goto AlreadyDisposed;
}
tx?.EnsurePagerStateReference(ref state);
if (state._released)
goto InvalidPagerState;
return state.MapBase + pageNumber * Constants.Storage.PageSize;
AlreadyDisposed:
ThrowAlreadyDisposedException();
InvalidPageNumber:
ThrowOnInvalidPageNumber(pageNumber);
InvalidPagerState:
// ReSharper disable once PossibleNullReferenceException
state.ThrowInvalidPagerState();
return null; // Will never happen.
}
public virtual byte *AcquirePagePointer(IPagerLevelTransactionState tx, long pageNumber, PagerState pagerState = null)
{
if (Disposed)
{
ThrowAlreadyDisposedException();
}
if (pageNumber > NumberOfAllocatedPages || pageNumber < 0)
{
ThrowOnInvalidPageNumber(pageNumber, tx?.Environment);
}
var state = pagerState ?? _pagerState;
tx?.EnsurePagerStateReference(state);
return(state.MapBase + pageNumber * _pageSize);
}