/// <summary>
/// checks if the finished conditions are not already fulfilled
/// </summary>
/// <returns></returns>
public bool NeedsToExecute()
{
// it needs to excecute if there are no finish conditions
if (FinishConditions == null)
{
return(true);
}
// evaluate every finishcondition (return true if the evaluation is false)
return(!ResourceState.Evaluate(FinishConditions));
}
/// <summary>
/// checks if the start conditions of a <see cref="SkillBase"/> are fulfilled
/// </summary>
/// <returns></returns>
public bool CanExecute()
{
//check if its a rotary table
if (ExecutingResource.GetType() == typeof(RIT))
{
List <bool> canExecute = new List <bool>();
int i = 0;
// get every nest of rotary table
foreach (var item in ExecutingResource.AttachedResources)
{
if (item.GetType() == typeof(WPC))
{
// first nest
if (i == 0)
{
if (Convert.ToBoolean(item.ResourceStates.GetState("InterfaceIsOccupied")) == true &&
Convert.ToBoolean(item.ResourceStates.GetState("AreaIsOccupied")) == false)
{
canExecute.Add(true);
}
else
{
canExecute.Add(false);
}
}
// other nests
else
{
if (!(Convert.ToBoolean(item.ResourceStates.GetState("InterfaceIsOccupied")) == true &&
Convert.ToBoolean(item.ResourceStates.GetState("ItemIsProcessed")) == false) &&
Convert.ToBoolean(item.ResourceStates.GetState("AreaIsOccupied")) == false)
{
canExecute.Add(true);
}
else
{
canExecute.Add(false);
}
}
i++;
}
}
// check if every nest is ready for execution
bool execute = true;
foreach (var item in canExecute)
{
if (item == false)
{
execute = false;
break;
}
}
if (execute &&
Convert.ToBoolean(ExecutingResource.ResourceStates.GetState("IsMoving")) == false &&
Convert.ToBoolean(ExecutingResource.ResourceStates.GetState("IsInPosition")) == true)
{
var inpos = ExecutingResource.ResourceStates.GetState("IsInPosition");
var mov = ExecutingResource.ResourceStates.GetState("IsMoving");
Logger.Debug($"'{ExecutingResource.Name}' - {inpos}");
Logger.Debug($"'{ExecutingResource.Name}' - {mov}");
foreach (var item in ExecutingResource.AttachedResources)
{
if (item.GetType() == typeof(WPC))
{
var intfaceOcc = item.ResourceStates.GetState("InterfaceIsOccupied");
var Area = item.ResourceStates.GetState("AreaIsOccupied");
Logger.Debug($"'{item.Name}' - {intfaceOcc}");
Logger.Debug($"'{item.Name}' - {Area}");
}
}
return(true);
}
}
// evaluate every startcondition
var val = ResourceState.Evaluate(StartConditions);
return(val);
}
