/// <summary>
/// Schedule the activity given by name and version. Activity should be already registered with Amazon SWF.
/// </summary>
/// <param name="name">Name of the activity.</param>
/// <param name="version">Version of the activity.</param>
/// <param name="positionalName">A user defined name to differentiate same activity at multiple positions in workflow.</param>
/// <returns></returns>
protected IFluentActivityItem ScheduleActivity(string name, string version, string positionalName = "")
{
Ensure.NotNullAndEmpty(name, "name");
Ensure.NotNullAndEmpty(version, "version");
var activityItem = new ActivityItem(Identity.New(name, version, positionalName), this);
if (!_allWorkflowItems.Add(activityItem))
{
throw new DuplicateItemException(string.Format(Resources.Duplicate_activity, name, version, positionalName));
}
return(activityItem);
}