public void Rollback()
{
// here we allow rolling back of errored transaction
if (_disposed.HasFlag(TxState.Disposed))
{
ThrowObjectDisposed();
}
if (Committed || RolledBack || Flags != (TransactionFlags.ReadWrite))
{
return;
}
ValidateReadOnlyPages();
foreach (var pageFromScratch in _transactionPages)
{
_env.ScratchBufferPool.Free(this, pageFromScratch.ScratchFileNumber, pageFromScratch.PositionInScratchBuffer, null);
}
foreach (var pageFromScratch in _unusedScratchPages)
{
_env.ScratchBufferPool.Free(this, pageFromScratch.ScratchFileNumber, pageFromScratch.PositionInScratchBuffer, null);
}
// release scratch file page allocated for the transaction header
Allocator.Release(ref _txHeaderMemory);
using (_env.PreventNewReadTransactions())
{
_env.ScratchBufferPool.UpdateCacheForPagerStatesOfAllScratches();
_env.Journal.UpdateCacheForJournalSnapshots();
}
RolledBack = true;
}