public DbItemReference Update(byte[] body, int transactionNumber)
{
var version = _versions.FirstOrDefault(v => IsVersionVisibleTo(v, transactionNumber));
if (version != null)
{
var reference = _memoryManager.Allocate(body);
if (version.CreateChangeNumber == transactionNumber)
{
// we update the version created by this transaction
_memoryManager.Free(version.VersionReference);
version.VersionReference = reference;
}
else
{
SetExpirationMarker(transactionNumber);
_versions.Add(new VersionInfo
{
CreateChangeNumber = transactionNumber,
ExpireChangeNumber = -1,
VersionReference = reference
});
}
return(AllocateNew());
}
throw new WriteConflictException("Record has no visible versions");
}
/// <summary>
/// Release allocated value.
/// </summary>
/// <param name="reference">Reference to allocated value</param>
public void Free(DbItemReference reference)
{
//if (IsVersioningEnabled)
//{
// var record = new VersionedRecord(_memoryManager.Get(reference).RawData, _memoryManager, SnapshotData);
// record.Expire(DataTankerTransaction.Current.Id);
//}
//else
_memoryManager.Free(reference);
}
public void Free(BlockPtr blockPtr)
{
_underlying.Free(blockPtr);
}
public void Free(BlockPtr blockPtr)
{
_memoryManager.Free(blockPtr);
}