/// <summary>
/// Enlists a <see cref="UnitOfWorkScope"/> instance with the transaction manager,
/// with the specified transaction mode.
/// </summary>
/// <param name="scope">The <see cref="IUnitOfWorkScope"/> to register.</param>
/// <param name="mode">A <see cref="TransactionMode"/> enum specifying the transaciton
/// mode of the unit of work.</param>
public void EnlistScope(IUnitOfWorkScope scope, TransactionMode mode)
{
_logger.Info(string.Format("Enlisting scope {0} with transaction manager {1} with transaction mode {2}",
scope.ScopeId,
_transactionManagerId,
mode));
var uowFactory = ServiceLocator.Current.GetInstance<IUnitOfWorkFactory>();
if (_transactions.Count == 0 ||
mode == TransactionMode.New ||
mode == TransactionMode.Supress)
{
_logger.Debug(string.Format("Enlisting scope {0} with mode {1} requires a new TransactionScope to be created.", scope.ScopeId, mode));
var txScope = TransactionScopeHelper.CreateScope(UnitOfWorkSettings.DefaultIsolation, mode);
var unitOfWork = uowFactory.Create();
var transaction = new UnitOfWorkTransaction(unitOfWork, txScope);
transaction.TransactionDisposing += OnTransactionDisposing;
transaction.EnlistScope(scope);
_transactions.AddFirst(transaction);
return;
}
CurrentTransaction.EnlistScope(scope);
}
/// <summary>
/// Handles a Dispose signal from a transaction.
/// </summary>
/// <param name="transaction"></param>
void OnTransactionDisposing(UnitOfWorkTransaction transaction)
{
_logger.Info(string.Format("UnitOfWorkTransaction {0} signalled a disposed. Unregistering transaction from TransactionManager {1}",
transaction.TransactionId, _transactionManagerId));
transaction.TransactionDisposing -= OnTransactionDisposing;
var node = _transactions.Find(transaction);
if (node != null)
_transactions.Remove(node);
}