/// <summary>
/// Executes the transaction, and returns the result.
/// </summary>
/// <returns>A TaskResult that has the ResultType Success if all tasks executed successfully,
/// or the TaskResult returned by a failed task, depending on ErrorHandlingMode.</returns>
public override TaskResult Execute()
{
var lock_obj = Lock ?? new object();
lock (lock_obj)
{
foreach (var task in Tasks)
{
var result = task.Execute();
if (ErrorHandlingMode != TransactionErrorHandlingMode.Ignore &&
result.Type != ResultType.Success &&
!result.Type.HasFlag(ResultType.Ignorable))
{
if (OnFailure != null)
{
OnFailure.Execute();
}
// fatal failure
return(result);
}
else if (result.Type == ResultType.StopExecution)
{
break;
}
}
}
return(new TaskResult(this, ResultType.Success));
}