ISO 10303-214:2010(E)

Figure — Arrowleft Figure — Clause 4 Figure — Arrowright

4.2.283 Item_definition_instance_relationship

An Item_definition_instance_relationship is a relationship between a Design_discipline_item_definition and an Item_instance.

Except if specified in a specialization of this object, this relationship does not involve inheritance of data between the two related objects .

Each Item_definition_instance_relationship is a Collected_item_association, a Mated_item_association, an Assembly_component_relationship, or a General_item_definition_instance_relationship.

The data associated with an Item_definition_instance_relationship are the following:

4.2.283.1 related

The related specifies the Item_instance that is part of the Item_definition_instance_relationship.

NOTE The semantics of this attribute are defined by the specializations of Item_definition_instance_relationship.

See item_definition_instance_relationship to item_instance for the application assertion.

4.2.283.2 relating

The relating specifies the Design_discipline_item_definition that is part of the Item_definition_instance_relationship.

NOTE The semantics of this attribute are defined by the specializations of Item_definition_instance_relationship.

See item_definition_instance_relationship to design_discipline_item_definition for the application assertion.



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