static IEnumerable <string> RootObstacleIdentifiers(KAOSModel model, string o)
{
var oRefinement = model.ObstacleRefinements(x => x.SubobstacleIdentifiers.Any(y => y.Identifier == o));
if (oRefinement.Count() == 0)
{
return new [] { o }
}
;
else
{
return(oRefinement.SelectMany(x => RootObstacleIdentifiers(model, x.ParentObstacleIdentifier)));
}
}
public static ISet <Obstacle> LeafObstacles(this KAOSModel model)
{
var obstacles = new HashSet <Obstacle> (model.Obstacles());
foreach (var refinement in model.ObstacleRefinements())
{
obstacles.Remove(refinement.ParentObstacle());
}
//foreach (var obstruction in model.Obstructions ())
// obstacles.Remove (obstruction.Obstacle ());
return(obstacles);
}