public ITokenConsumeScope BeginScope()
{
if (_currentScope != null)
{
throw new NestedTransactionScopeExistsException();
}
var scope = new TokenConsumeScope(this);
_currentScope = scope;
return scope;
}
void INestedTokenScope.RollbackNested()
{
while (_currentScope.ConsumedCache.Count > 0)
{
var token = _currentScope.ConsumedCache.Dequeue();
_returnedTokens.Enqueue(token);
}
_currentScope = null;
}
internal TokenConsumeScope(INestedTokenScope previousScope)
{
_previousScope = previousScope;
_consumedCache = new Queue<Token>();
}
