(*
 $Id$
 ISO TC184/SC4/WG12 N2607 - ISO/TS 10303-1343 Product placement - EXPRESS ARM
 Supersedes ISO TC184/SC4/WG12 N1741
*)

SCHEMA Product_placement_arm;

USE FROM Contextual_shape_positioning_arm;
USE FROM Physical_breakdown_arm;
USE FROM Product_occurrence_arm;

ENTITY Occurrence_placement
ABSTRACT SUPERTYPE OF (ONEOF(Part_occurrence_placement,Physical_element_placement));
  reference_physical_element: Physical_element_definition;
  reference_geometric_space : Geometric_model;
  positioned_representation : template_instance;
END_ENTITY;

ENTITY Part_occurrence_placement
SUBTYPE OF(Occurrence_placement);
  placed_part_occurrence: Single_instance;
END_ENTITY;

ENTITY Physical_element_placement
SUBTYPE OF(Occurrence_placement);
  placed_physical_element: Physical_element_definition;
WHERE
WR1: placed_physical_element\Product_view_definition.defined_version :<>: 
	SELF\Occurrence_placement.reference_physical_element\Product_view_definition.defined_version;
END_ENTITY;

END_SCHEMA;
