ISO 10303-214:2010(E)
A Simple_property_association is a simplified mechanism to associate a property value with an object.
NOTE A Simple_property_association corresponds in the more detailed independent property concept to a Property_value_association of type Item_property_association or Process_property_association (see table 2 in clause 4.1.18)
The data associated with a Simple_property_association are the following:
NOTE The attribute described_element of Simple_property_association corresponds in the more detailed independent property concept to Item_property_association.described_element or to Process_property_association.described_element (see table 2 in clause 4.1.18)
See simple_property_association to activity, simple_property_association to activity_method_assignment, simple_property_association to catalogue_thread, simple_property_association to complex_product, simple_property_association to design_constraint, simple_property_association to design_discipline_simple_definition, simple_property_association to document_file, simple_property_association to document_representation, simple_property_association to feature_definition, simple_property_association to general_feature, simple_property_association to item_definition_instance_relationship, simple_property_association to item_definition_relationship, simple_property_association to item_instance, simple_property_association to item_instance_relationship, simple_property_association to item_shape, simple_property_association to physical_instance, simple_property_association to process_operation_definition, simple_property_association to process_operation_occurrence, simple_property_association to process_operation_resource_assignment, simple_property_association to process_plan, simple_property_association to product_class, simple_property_association to product_identification, simple_property_association to product_structure_relationship, simple_property_association to shape_element, simple_property_association to shape_element_relationship, simple_property_association to thread_feature, and simple_property_association to transition_feature.
There shall be exactly one object that defines the described_element for a Simple_property_association.
The specified_value specifies the Property_value that qualifies the Simple_property_association by a Value_with_unit, a String_value, or a Value_list.
NOTE The attribute specified_value of Simple_property_association corresponds in the more detailed independent property concept to the attribute specified_value of the Property_value_representation that itself is referenced by Property_value_association.describing_property_value (see table 2 in clause 4.1.18)
See simple_property_association to property_value for the application assertion.
The value_type specifies the property type that the Simple_property_association characterizes.
NOTE The attribute value_type of Simple_property_association corresponds in the more detailed independent property concept to the attribute property_type of General_property which is a subtype of Property and which is referenced by the attribute definition of Property_value_representation. The Property_value_representation itself is referenced by Property_value_association.describing_property_value (see table 2 in clause 4.1.18)
EXAMPLE ’noise absorption’, ’power consumption’ or 'colour' are examples for the value_type of a Simple_property_association.
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