private HierarchyNode GetNodeFor(Hierarchy hierarchy)
{
return Nodes.Single(x => x.Context == hierarchy);
}
public Unit GetParentWithin(Hierarchy hierarchy)
{
return GetNodeFor(hierarchy).Parent.Unit;
}
public IEnumerable<Unit> GetChildrenWithin(Hierarchy hierarchy)
{
return GetNodeFor(hierarchy).Children.Select(x => x.Unit);
}
private HierarchyNode GetNodeFor(Hierarchy hierarchy)
{
return(Nodes.Single(x => x.Context == hierarchy));
}
public IEnumerable <Unit> GetChildrenWithin(Hierarchy hierarchy)
{
return(GetNodeFor(hierarchy).Children.Select(x => x.Unit));
}
public Unit GetParentWithin(Hierarchy hierarchy)
{
return(GetNodeFor(hierarchy).Parent.Unit);
}