/// <summary>
/// Rollbacks the open transaction and invokes the regsitered undo operations.
/// </summary>
/// <exception cref="ActionInvokationException">An error occured while invoking the undo operations within the open transaction.</exception>
public void RollbackTransactions()
{
if (!this.openTransactions.Any())
{
throw new InvalidOperationException("There is no open transaction available to roll back.");
}
IInvokableTransaction transaction = this.openTransactions.First();
transaction.Rollback();
}
/// <summary>
/// Rollbacks the provided transaction.
/// </summary>
/// <param name="transaction">The transaction to roll back.</param>
/// <exception cref="ArgumentNullException"><paramref name="transaction"/> is a <see langword="null"/> reference.</exception>
/// <exception cref="ArgumentException">The <see cref="UndoManager"/> does not contain <paramref name="transaction"/>.</exception>
/// <exception cref="ActionInvokationException">An error occured while invoking the undo operations within the transaction.</exception>
void ITransactionManager.RollbackTransaction(IInvokableTransaction transaction)
{
if (transaction == null)
{
throw new ArgumentNullException("transaction");
}
if (!this.openTransactions.Contains(transaction))
{
throw new ArgumentException("Can not find the transaction to roll back", "transaction");
}
while (this.openTransactions.Contains(transaction))
{
IInvokableTransaction toRollback = this.openTransactions.Pop();
toRollback.Rollback();
}
}
