public virtual void RemoveUnitHierarchy(UnitHierarchy uh)
{
if (uh.ParentUnit == this)
{
this.UnitHierarchyChildren.Remove(uh);
}
else if (uh.Unit == this)
{
this.UnitHierarchies.Remove(uh);
}
}
// data modification methods below
public virtual void AddUnitHierarchy(UnitHierarchy uh)
{
if (uh.ParentUnit == this)
{
if (this.UnitHierarchyChildren.Contains(uh))
{
return;
}
this.UnitHierarchyChildren.Add(uh);
}
else if (uh.Unit == this)
{
if (this.UnitHierarchies.Contains(uh))
{
return;
}
this.UnitHierarchies.Add(uh);
}
}