internal static void UnregisterTransaction(Transaction transaction)
{
var stack = CurrentStack;
if (stack.TopTransaction == transaction)
{
bool transactionStillActive = stack.Session.Transaction.IsActive;
// if we have still open transaction then call rollback
if (transactionStillActive)
{
RollbackTransaction(transaction);
}
// unlock transaction concurrency
Monitor.Exit(transaction.LockObject);
// throw exception if transaction was still active and no exception raised, then throw my own exception
if (transactionStillActive && Marshal.GetExceptionCode() == 0)
{
throw new SessionException("Transaction is open! Try commit or rollback before ");
}
stack.TopTransaction = null;
// if transaction is also top session then free session
if (stack.TopUnitOfWork == null)
{
ClearStackInfo(stack);
}
}
}
/// <summary>
/// Registers the transaction.
/// </summary>
/// <param name="transaction">The transaction.</param>
internal static void RegisterTransaction(Transaction transaction)
{
var stack = CurrentStack;
// if no session yet, start new
if (stack.Session == null)
{
stack.Session = SessionFactoryInstance.OpenSession();
stack.Session.FlushMode = FlushMode.Commit;
}
// and if no transaction yet, then start new one
if (stack.TopTransaction == null)
{
transaction.LockObject = stack.Session.Connection;
// lock transaction concurrency
Monitor.Enter(transaction.LockObject);
stack.TopTransaction = transaction;
stack.Session.BeginTransaction(IsolationLevel.Unspecified);
}
}
/// <summary>
/// Rollbacks the transaction.
/// </summary>
/// <param name="transaction">The transaction.</param>
internal static void RollbackTransaction(Transaction transaction)
{
var stack = CurrentStack;
stack.Session.Transaction.Rollback();
}
/// <summary>
/// Commits the transaction.
/// </summary>
/// <param name="transaction">The transaction.</param>
internal static void CommitTransaction(Transaction transaction)
{
var stack = CurrentStack;
if (stack.TopTransaction == transaction)
{
if (stack.Session.Transaction.WasRolledBack)
{
throw new SessionException("Nested transaction called Rollback and thus we are not able to commit!");
}
stack.Session.Transaction.Commit();
}
else
{
stack.Session.Flush();
}
}
