public override void Execute()
{
var broker = new BrokerService();
var transaction = broker.BeginTransaction();
Exception _ex_ = null;
try
{
foreach (var cmd in _lst)
{
cmd.State = transaction;
cmd.Execute();
}
broker.CommitTransaction(transaction);
}
catch (Exception ex)
{
_ex_ = ex;
broker.RollbackTransaction(transaction);
}
if (null != _ex_)
{
if (WhenFailed != null)
{
WhenFailed.Execute();
}
else
{
throw _ex_;
}
}
}
