/// <summary>
/// The external Start event to be called by RCQsModel to start the activity when requested resources are allocated
/// Note: this is supposed to be internal event, calling from other modules shall be forbidden
/// </summary>
/// <param name="load">The load which starts to process on the activty</param>
public void Start(ILoad load)
{
if (!(load is TLoad))
{
throw new Exception("Load type is inconsistent.");
}
var tLoad = (TLoad)load;
if (!PendingLoads.Contains(tLoad))
{
throw new Exception("Load does not exists in the activity handler.");
}
PendingLoads.Remove(tLoad);
ActiveLoads.Add(tLoad);
_hc_Occupied.ObserveChange(1);
StartActivity((TLoad)load);
}
/// <summary>
/// A load requests to start the activity
/// In its extension, the filtering condition can be added, i.e., loads can be ignored if the condition check fails
/// </summary>
/// <param name="load">The load flow through the activity</param>
public virtual void RequestToArrive(TLoad load)
{
PendingLoads.Add(load);
OnRequestToStart.Invoke(load);
}
