Application module: System structure ISO/TS 10303-1450:2011-10(E)
© ISO

Cover page
Table of contents
Copyright
Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms
    3.1 Terms and definitions
    3.2 Abbreviated terms

4 Information requirements
   4.1 Required AM ARMs
   4.2 ARM type definitions
5 Module interpreted model
   5.1 Mapping specification
   5.2 MIM EXPRESS short listing
     5.2.1 MIM type definitions
     5.2.2 MIM entity definitions

A MIM short names
B Information object registration
C ARM EXPRESS-G   EXPRESS-G
D MIM EXPRESS-G   EXPRESS-G
E Computer interpretable listings
F Application module implementation and usage guide
G Change history
Bibliography
Index

(*
ISO TC184/SC4/WG3 N2773 - ISO/TS 10303-1450 System structure - EXPRESS ARM Long form
Supersedes ISO TC184/SC4/WG3 N2706
*)


SCHEMA System_structure_arm_LF;


CONSTANT
  pre_defined_type_qualifiers : SET OF STRING :=
   ['minimum',
     'maximum',
     'nominal',
     'specified',
     'typical',
     'calculated',
     'designed',
     'estimated',
     'measured',
     'required',
     'set point',
     'basic',
     'lower deviation',
     'upper deviation'];
END_CONSTANT;

TYPE activity_item = SELECT
   (Activity,
    Activity_method,
    Activity_property,
    Applied_activity_assignment,
    Approval,
    Assembly_component_relationship,
    Assigned_property,
    Certification,
    Contract,
    Contract_relationship,
    Descriptive_document_property,
    Effectivity,
    Event,
    File,
    Independent_property,
    Interface_connection,
    Interface_connector_occurrence,
    Interface_definition_connection,
    Item_usage_effectivity,
    Numerical_document_property,
    Organization,
    Person,
    Person_in_organization,
    Product,
    Product_concept,
    Product_configuration,
    Product_version,
    Product_version_relationship,
    Product_view_definition,
    Project,
    View_definition_relationship,
    Work_order,
    Work_request);
END_TYPE;

TYPE affected_item_select = SELECT
   (Activity,
    Activity_method,
    Activity_property,
    Approval_assignment,
    Assembly_component_relationship,
    Assigned_property,
    Certification_assignment,
    Contract,
    Contract_relationship,
    Document_assignment,
    Event_assignment,
    File,
    Interface_connection,
    Interface_connector_occurrence,
    Interface_definition_connection,
    Organization,
    Person,
    Person_in_organization,
    Product,
    Product_configuration,
    Product_version,
    Product_view_definition,
    Project_assignment,
    View_definition_relationship,
    Work_request);
END_TYPE;

TYPE alias_identification_item = identification_item ;
WHERE
  wr1: NOT ('ALIAS_IDENTIFICATION_ARM.ACTIVITY' IN TYPEOF(SELF));
  wr2: NOT ('ALIAS_IDENTIFICATION_ARM.ACTIVITY_METHOD' IN TYPEOF(SELF));
  wr3: NOT ('ALIAS_IDENTIFICATION_ARM.ACTIVITY_PROPERTY' IN TYPEOF(SELF));
  wr4: NOT ('ALIAS_IDENTIFICATION_ARM.ADDRESS' IN TYPEOF(SELF));
  wr5: NOT ('ALIAS_IDENTIFICATION_ARM.AFFECTED_ITEMS_ASSIGNMENT' IN TYPEOF(SELF));
  wr6: NOT ('ALIAS_IDENTIFICATION_ARM.APPLIED_ACTIVITY_ASSIGNMENT' IN TYPEOF(SELF));
  wr7: NOT ('ALIAS_IDENTIFICATION_ARM.APPROVAL' IN TYPEOF(SELF));
  wr8: NOT ('ALIAS_IDENTIFICATION_ARM.ASSEMBLY_COMPONENT_RELATIONSHIP' IN TYPEOF(SELF));
  wr9: NOT ('ALIAS_IDENTIFICATION_ARM.ASSEMBLY_RELATIONSHIP_SUBSTITUTION' IN TYPEOF(SELF));
  wr10: NOT ('ALIAS_IDENTIFICATION_ARM.ASSIGNED_PROPERTY' IN TYPEOF(SELF));
  wr11: NOT ('ALIAS_IDENTIFICATION_ARM.CERTIFICATION' IN TYPEOF(SELF));
  wr12: NOT ('ALIAS_IDENTIFICATION_ARM.CLASS' IN TYPEOF(SELF));
  wr13: NOT ('ALIAS_IDENTIFICATION_ARM.CONTRACT_RELATIONSHIP' IN TYPEOF(SELF));
  wr14: NOT ('ALIAS_IDENTIFICATION_ARM.DESCRIPTIVE_DOCUMENT_PROPERTY' IN TYPEOF(SELF));
  wr15: NOT ('ALIAS_IDENTIFICATION_ARM.DOCUMENT_ASSIGNMENT' IN TYPEOF(SELF));
  wr16: NOT ('ALIAS_IDENTIFICATION_ARM.EFFECTIVITY' IN TYPEOF(SELF));
  wr17: NOT ('ALIAS_IDENTIFICATION_ARM.ENVIRONMENT_ASSIGNMENT' IN TYPEOF(SELF));
  wr18: NOT ('ALIAS_IDENTIFICATION_ARM.ENVIRONMENT_DEFINITION' IN TYPEOF(SELF));
  wr19: NOT ('ALIAS_IDENTIFICATION_ARM.ENVIRONMENT_DEFINITION_VERSION' IN TYPEOF(SELF));
  wr20: NOT ('ALIAS_IDENTIFICATION_ARM.ENVIRONMENT_VIEW_DEFINITION_RELATIONSHIP' IN TYPEOF(SELF));
  wr21: NOT ('ALIAS_IDENTIFICATION_ARM.EVENT' IN TYPEOF(SELF));
  wr22: NOT ('ALIAS_IDENTIFICATION_ARM.EXTERNAL_CLASS_LIBRARY' IN TYPEOF(SELF));
  wr23: NOT ('ALIAS_IDENTIFICATION_ARM.EXTERNAL_SOURCE_IDENTIFICATION' IN TYPEOF(SELF));
  wr24: NOT ('ALIAS_IDENTIFICATION_ARM.FILE' IN TYPEOF(SELF));
  wr25: NOT ('ALIAS_IDENTIFICATION_ARM.INDEPENDENT_PROPERTY' IN TYPEOF(SELF));
  wr26: NOT ('ALIAS_IDENTIFICATION_ARM.INDEPENDENT_PROPERTY_RELATIONSHIP' IN TYPEOF(SELF));
  wr27: NOT ('ALIAS_IDENTIFICATION_ARM.INTERFACE_CONNECTION' IN TYPEOF(SELF));
  wr28: NOT ('ALIAS_IDENTIFICATION_ARM.INTERFACE_CONNECTOR_OCCURRENCE' IN TYPEOF(SELF));
  wr29: NOT ('ALIAS_IDENTIFICATION_ARM.INTERFACE_DEFINITION_CONNECTION' IN TYPEOF(SELF));
  wr30: NOT ('ALIAS_IDENTIFICATION_ARM.INTERFACE_DEFINITION_FOR' IN TYPEOF(SELF));
  wr31: NOT ('ALIAS_IDENTIFICATION_ARM.ITEM_SHAPE' IN TYPEOF(SELF));
  wr32: NOT ('ALIAS_IDENTIFICATION_ARM.MARKET' IN TYPEOF(SELF));
  wr33: NOT ('ALIAS_IDENTIFICATION_ARM.NUMERICAL_DOCUMENT_PROPERTY' IN TYPEOF(SELF));
  wr34: NOT ('ALIAS_IDENTIFICATION_ARM.OBSERVED_ENVIRONMENT' IN TYPEOF(SELF));
  wr35: NOT ('ALIAS_IDENTIFICATION_ARM.OBSERVED_ENVIRONMENT_ASSIGNMENT' IN TYPEOF(SELF));
  wr36: NOT ('ALIAS_IDENTIFICATION_ARM.OBSERVED_ENVIRONMENT_VERSION' IN TYPEOF(SELF));
  wr37: NOT ('ALIAS_IDENTIFICATION_ARM.OBSERVED_ENVIRONMENT_VIEW_DEFINITION_RELATIONSHIP' IN TYPEOF(SELF));
  wr38: NOT ('ALIAS_IDENTIFICATION_ARM.ORGANIZATION_OR_PERSON_IN_ORGANIZATION_ASSIGNMENT' IN TYPEOF(SELF));
  wr39: NOT ('ALIAS_IDENTIFICATION_ARM.PERSON' IN TYPEOF(SELF));
  wr40: NOT ('ALIAS_IDENTIFICATION_ARM.PERSON_IN_ORGANIZATION' IN TYPEOF(SELF));
  wr41: NOT ('ALIAS_IDENTIFICATION_ARM.PRODUCT' IN TYPEOF(SELF));
  wr42: NOT ('ALIAS_IDENTIFICATION_ARM.PRODUCT_AS_INDIVIDUAL' IN TYPEOF(SELF));
  wr43: NOT ('ALIAS_IDENTIFICATION_ARM.PRODUCT_AS_INDIVIDUAL_VERSION' IN TYPEOF(SELF));
  wr44: NOT ('ALIAS_IDENTIFICATION_ARM.PRODUCT_CONCEPT' IN TYPEOF(SELF));
  wr45: NOT ('ALIAS_IDENTIFICATION_ARM.PRODUCT_CONFIGURATION' IN TYPEOF(SELF));
  wr46: NOT ('ALIAS_IDENTIFICATION_ARM.PRODUCT_VERSION' IN TYPEOF(SELF));
  wr47: NOT ('ALIAS_IDENTIFICATION_ARM.PRODUCT_VIEW_DEFINITION' IN TYPEOF(SELF));
  wr48: NOT ('ALIAS_IDENTIFICATION_ARM.PROJECT' IN TYPEOF(SELF));
  wr49: NOT ('ALIAS_IDENTIFICATION_ARM.REPRESENTATION' IN TYPEOF(SELF));
  wr50: NOT ('ALIAS_IDENTIFICATION_ARM.SECURITY_CLASSIFICATION_ASSIGNMENT' IN TYPEOF(SELF));
  wr51: NOT ('ALIAS_IDENTIFICATION_ARM.SHAPE_ELEMENT_RELATIONSHIP' IN TYPEOF(SELF));
  wr52: NOT ('ALIAS_IDENTIFICATION_ARM.SYSTEM' IN TYPEOF(SELF));
  wr53: NOT ('ALIAS_IDENTIFICATION_ARM.SYSTEM_VERSION' IN TYPEOF(SELF));
  wr54: NOT ('ALIAS_IDENTIFICATION_ARM.VIEW_DEFINITION_CONTEXT' IN TYPEOF(SELF));
  wr55: NOT ('ALIAS_IDENTIFICATION_ARM.VIEW_DEFINITION_RELATIONSHIP' IN TYPEOF(SELF));
  wr56: NOT ('ALIAS_IDENTIFICATION_ARM.WORK_ORDER' IN TYPEOF(SELF));
  wr57: NOT ('ALIAS_IDENTIFICATION_ARM.WORK_REQUEST' IN TYPEOF(SELF));
END_TYPE;

TYPE any_number_value = NUMBER;
END_TYPE;

TYPE any_string_value = STRING;
END_TYPE;

TYPE approval_item = SELECT
   (Activity,
    Activity_method,
    Activity_method_assignment,
    Activity_property,
    Address_assignment,
    Affected_items_assignment,
    Alternate_product_relationship,
    Applied_activity_assignment,
    Assembly_component_relationship,
    Assembly_relationship_substitution,
    Assigned_property,
    Certification,
    Classification_assignment,
    Contract,
    Contract_assignment,
    Contract_relationship,
    Date_or_date_time_assignment,
    Digital_document_definition,
    Document_assignment,
    Document_definition_relationship,
    Document_version,
    Effectivity,
    Effectivity_assignment,
    Event,
    Event_assignment,
    Identification_assignment,
    In_zone,
    Independent_property,
    Independent_property_relationship,
    Interface_connection,
    Interface_connector_occurrence,
    Interface_definition_connection,
    Interface_definition_for,
    Item_usage_effectivity,
    Organization_or_person_in_organization_assignment,
    Organization_relationship,
    Person_in_organization,
    Physical_document_definition,
    Product,
    Product_concept,
    Product_configuration,
    Product_definition_element_relationship,
    Product_design_to_individual,
    Product_design_version_to_individual,
    Product_planned_to_realized,
    Product_version,
    Product_version_relationship,
    Product_view_definition,
    Project,
    Project_assignment,
    Security_classification,
    Security_classification_assignment,
    View_definition_context,
    View_definition_relationship,
    Work_order,
    Work_request);
END_TYPE;

TYPE assigned_document_select = SELECT
   (Document,
    Document_definition,
    Document_version,
    File);
END_TYPE;

TYPE assigned_name_select = SELECT
   (Breakdown_element_realization,
    Event,
    External_class_library,
    Product,
    Product_view_definition);
END_TYPE;

TYPE breakdown_item = SELECT
   (Breakdown_element_definition,
    Breakdown_element_usage);
END_TYPE;

TYPE cartesian_transformation = SELECT
   (Cartesian_transformation_2d,
    Cartesian_transformation_3d);
END_TYPE;

TYPE certification_item = SELECT
   (Activity,
    Activity_method,
    Alternate_product_relationship,
    Approving_person_organization,
    Assembly_component_relationship,
    Assembly_relationship_substitution,
    Assigned_property,
    Interface_connection,
    Interface_definition_connection,
    Product,
    Product_configuration,
    Product_version,
    Product_version_relationship,
    Project,
    View_definition_relationship);
END_TYPE;

TYPE chained_geometric_model_link = SELECT
   (Geometric_coordinate_space,
    Geometric_model_relationship,
    Geometric_placement_operation);
END_TYPE;

TYPE characterized_activity_definition = SELECT
   (Activity,
    Activity_method);
END_TYPE;

TYPE classification_item = SELECT
   (Activity,
    Activity_method,
    Activity_method_assignment,
    Activity_property,
    Activity_property_representation,
    Activity_relationship,
    Activity_status,
    Address,
    Address_assignment,
    Affected_items_assignment,
    Alternate_product_relationship,
    Applied_activity_assignment,
    Approval,
    Approval_assignment,
    Approval_relationship,
    Approval_status,
    Approving_person_organization,
    Assembly_component_relationship,
    Assembly_relationship_substitution,
    Assigned_property,
    Attribute_translation_assignment,
    Breakdown_context,
    Breakdown_element_realization,
    Breakdown_of,
    Calendar_date,
    Certification,
    Certification_assignment,
    Class,
    Collection_assignment,
    Collection_membership,
    Condition,
    Condition_assignment,
    Condition_parameter,
    Condition_relationship,
    Context_dependent_unit,
    Contract,
    Contract_assignment,
    Conversion_based_unit,
    Date_or_date_time_assignment,
    Date_time,
    Derived_unit,
    Digital_document_definition,
    Digital_file,
    Directed_activity,
    Document_assignment,
    Effectivity,
    Effectivity_assignment,
    Effectivity_relationship,
    Environment_assignment,
    Environment_definition,
    Environment_definition_version,
    Environment_view_definition_relationship,
    Event,
    Event_assignment,
    Event_relationship,
    External_class_library,
    External_source_identification,
    File,
    File_relationship,
    Identification_assignment,
    In_zone,
    Independent_property,
    Independent_property_relationship,
    Independent_property_representation,
    Interface_connection,
    Interface_connector_occurrence,
    Interface_definition_connection,
    Interface_definition_for,
    Item_design_association,
    Item_shape,
    Item_usage_effectivity,
    Language,
    Language_indication,
    Local_time,
    Location,
    Location_relationship,
    Market,
    Numerical_item_with_unit,
    Observed_environment,
    Observed_environment_assignment,
    Observed_environment_version,
    Observed_environment_view_definition_relationship,
    Organization,
    Organization_or_person_in_organization_assignment,
    Organization_relationship,
    Part_view_definition,
    Person,
    Person_in_organization,
    Product,
    Product_concept,
    Product_configuration,
    Product_design_to_individual,
    Product_design_version_to_individual,
    Product_group,
    Product_group_relationship,
    Product_planned_to_realized,
    Product_version,
    Product_version_relationship,
    Product_view_definition,
    Project,
    Project_assignment,
    Project_relationship,
    Property_representation,
    Representation,
    Representation_context,
    Representation_item,
    Security_classification,
    Security_classification_assignment,
    String_representation_item,
    Time_interval_relationship,
    Uncertainty_with_unit,
    Unit,
    Value_with_unit,
    View_definition_context,
    View_definition_relationship,
    Work_order,
    Work_request,
    Work_request_status);
END_TYPE;

TYPE collection_assignment_select = SELECT
   (Product,
    Product_version,
    Product_view_definition);
END_TYPE;

TYPE collection_member_select = SELECT
   (Activity,
    Activity_method,
    Activity_method_assignment,
    Activity_property,
    Activity_property_representation,
    Activity_relationship,
    Activity_status,
    Address,
    Address_assignment,
    Affected_items_assignment,
    Alternate_product_relationship,
    Applied_activity_assignment,
    Approval,
    Approval_assignment,
    Approval_relationship,
    Approval_status,
    Approving_person_organization,
    Assembly_relationship_substitution,
    Assigned_property,
    Attribute_translation_assignment,
    Axis_placement_mapping,
    Breakdown_context,
    Breakdown_of,
    Calendar_date,
    Certification,
    Certification_assignment,
    Class,
    Classification_assignment,
    Collection_assignment,
    Collection_membership,
    Condition,
    Condition_assignment,
    Condition_parameter,
    Condition_relationship,
    Contextual_shape_representation,
    Contract,
    Contract_assignment,
    Contract_relationship,
    Date_or_date_time_assignment,
    Date_time,
    Derived_unit_element,
    Document_assignment,
    Document_definition_relationship,
    Effectivity,
    Effectivity_assignment,
    Effectivity_relationship,
    Environment_assignment,
    Event,
    Event_assignment,
    Event_relationship,
    External_source,
    External_source_identification,
    File,
    File_relationship,
    Geometric_item_specific_usage,
    Identification_assignment,
    Identification_relationship,
    In_zone,
    Independent_property,
    Independent_property_relationship,
    Interface_connection,
    Interface_connector_occurrence,
    Interface_definition_connection,
    Interface_definition_for,
    Item_design_association,
    Item_shape,
    Item_usage_effectivity,
    Language,
    Language_indication,
    Local_time,
    Location,
    Location_assignment,
    Location_relationship,
    Location_representation,
    Market,
    Measure_qualification,
    Name_assignment,
    Observed_environment_assignment,
    Observed_environment_to_definition,
    Observed_environment_to_definition_version,
    Observed_environment_to_definition_view,
    Organization,
    Organization_or_person_in_organization_assignment,
    Organization_relationship,
    Organizational_location_identification,
    Person,
    Person_in_organization,
    Precision_qualifier,
    Product,
    Product_concept,
    Product_configuration,
    Product_configuration_relationship,
    Product_definition_element_relationship,
    Product_design_to_individual,
    Product_design_version_to_individual,
    Product_design_view_to_individual,
    Product_group,
    Product_group_membership,
    Product_group_relationship,
    Product_occurrence_definition_relationship,
    Product_planned_to_realized,
    Product_relationship,
    Product_version,
    Product_version_relationship,
    Product_view_definition,
    Project,
    Project_assignment,
    Project_relationship,
    Property_definition_representation,
    Regional_coordinate,
    Representation,
    Representation_context,
    Representation_item,
    Representation_relationship,
    Same_as_external_item,
    Security_classification,
    Security_classification_assignment,
    Shape_dependent_property_representation,
    Shape_description_association,
    Shape_element,
    Shape_element_relationship,
    Time_interval,
    Time_interval_relationship,
    Time_offset,
    Type_qualifier,
    Uncertainty_qualifier,
    Unit,
    Value_with_unit,
    View_definition_context,
    View_definition_relationship,
    Work_order,
    Work_request,
    Work_request_status);
END_TYPE;

TYPE condition_item = SELECT
   (Activity,
    Activity_property,
    Applied_activity_assignment,
    Approval,
    Approval_assignment,
    Assembly_component_relationship,
    Assigned_property,
    Certification_assignment,
    Contract_assignment,
    Date_or_date_time_assignment,
    Document_assignment,
    Effectivity,
    Event_assignment,
    Interface_connection,
    Interface_definition_connection,
    Location_assignment,
    Product_definition_element_relationship,
    Product_group,
    Product_group_membership,
    Product_group_relationship,
    Project_assignment,
    Security_classification_assignment,
    View_definition_relationship,
    Work_order,
    Work_request);
END_TYPE;

TYPE condition_parameter_item = SELECT
   (Condition_relationship);
END_TYPE;

TYPE connection_definition_items = SELECT
   (Interface_connector_definition,
    Product_view_definition);
END_TYPE;

TYPE connection_items = SELECT
   (Assembly_component_relationship,
    connection_definition_items,
    Interface_connector_occurrence,
    View_definition_relationship);
END_TYPE;

TYPE connector_on_item = SELECT
   (Assembly_component_relationship,
    Product_view_definition,
    View_definition_relationship);
END_TYPE;

TYPE contract_item = SELECT
   (Activity_method,
    Document_version,
    organization_or_person_in_organization_item);
END_TYPE;

TYPE date_or_date_time_item = SELECT
   (Activity,
    Activity_method,
    Activity_method_assignment,
    Activity_property,
    Activity_property_representation,
    Activity_relationship,
    Address_assignment,
    Affected_items_assignment,
    Alternate_product_relationship,
    Applied_activity_assignment,
    Approval,
    Approving_person_organization,
    Assembly_component_relationship,
    Assembly_relationship_substitution,
    Assigned_property,
    Breakdown,
    Breakdown_element,
    Breakdown_element_realization,
    Breakdown_element_usage,
    Certification,
    Certification_assignment,
    Contract,
    Contract_assignment,
    Contract_relationship,
    Date_or_date_time_assignment,
    Digital_document_definition,
    Digital_file,
    Document,
    Document_assignment,
    Document_definition_relationship,
    Document_version,
    Effectivity,
    Effectivity_assignment,
    Event_assignment,
    Hardcopy,
    Identification_assignment,
    Independent_property,
    Independent_property_relationship,
    Independent_property_representation,
    Interface_connection,
    Interface_connector_occurrence,
    Interface_definition_connection,
    Interface_definition_for,
    Organization_or_person_in_organization_assignment,
    Organization_relationship,
    Part,
    Person,
    Person_in_organization,
    Physical_document_definition,
    Product_concept,
    Product_configuration,
    Product_design_to_individual,
    Product_design_version_to_individual,
    Product_planned_to_realized,
    Product_version,
    Product_version_relationship,
    Product_view_definition,
    Project,
    Project_assignment,
    Property_representation,
    Representation,
    Security_classification_assignment,
    View_definition_context,
    Work_order,
    Work_request);
END_TYPE;

TYPE date_or_date_time_select = SELECT
   (Calendar_date,
    Date_time);
END_TYPE;

TYPE date_or_event = SELECT
   (Calendar_date,
    Date_time,
    Event);
END_TYPE;

TYPE day_in_month_number = INTEGER ;
WHERE
  WR1: {1 <= SELF <= 31};
END_TYPE;

TYPE described_element_select = SELECT
   (Product_occurrence_definition_relationship,
    View_definition_usage);
END_TYPE;

TYPE descriptive_or_numerical = SELECT
   (Descriptive_document_property,
    Numerical_document_property);
END_TYPE;

TYPE document_property_item = property_assignment_select ;
WHERE
  wr1: NOT ('DOCUMENT_PROPERTIES_ARM.ADDRESS' IN TYPEOF(SELF));
  wr2: NOT ('DOCUMENT_PROPERTIES_ARM.ALTERNATE_PRODUCT_RELATIONSHIP' IN TYPEOF(SELF));
  wr3: NOT ('DOCUMENT_PROPERTIES_ARM.APPLIED_ACTIVITY_ASSIGNMENT' IN TYPEOF(SELF));
  wr4: NOT ('DOCUMENT_PROPERTIES_ARM.ASSEMBLY_COMPONENT_RELATIONSHIP' IN TYPEOF(SELF));
  wr5: NOT ('DOCUMENT_PROPERTIES_ARM.BREAKDOWN_ELEMENT_REALIZATION' IN TYPEOF(SELF));
  wr6: NOT ('DOCUMENT_PROPERTIES_ARM.BREAKDOWN_ELEMENT_USAGE' IN TYPEOF(SELF));
  wr7: NOT ('DOCUMENT_PROPERTIES_ARM.DOCUMENT_ASSIGNMENT' IN TYPEOF(SELF));
  wr8: NOT ('DOCUMENT_PROPERTIES_ARM.IN_ZONE' IN TYPEOF(SELF));
  wr9: NOT ('DOCUMENT_PROPERTIES_ARM.INDEPENDENT_PROPERTY_RELATIONSHIP' IN TYPEOF(SELF));
  wr10: NOT ('DOCUMENT_PROPERTIES_ARM.INTERFACE_CONNECTION' IN TYPEOF(SELF));
  wr11: NOT ('DOCUMENT_PROPERTIES_ARM.INTERFACE_CONNECTOR_OCCURRENCE' IN TYPEOF(SELF));
  wr12: NOT ('DOCUMENT_PROPERTIES_ARM.INTERFACE_DEFINITION_CONNECTION' IN TYPEOF(SELF));
  wr13: NOT ('DOCUMENT_PROPERTIES_ARM.ORGANIZATION_OR_PERSON_IN_ORGANIZATION_ASSIGNMENT' IN TYPEOF(SELF));
  wr14: NOT ('DOCUMENT_PROPERTIES_ARM.PART_VIEW_DEFINITION' IN TYPEOF(SELF));
  wr15: NOT ('DOCUMENT_PROPERTIES_ARM.PERSON' IN TYPEOF(SELF));
  wr16: NOT ('DOCUMENT_PROPERTIES_ARM.PERSON_IN_ORGANIZATION' IN TYPEOF(SELF));
  wr17: NOT ('DOCUMENT_PROPERTIES_ARM.PRODUCT' IN TYPEOF(SELF));
  wr18: NOT ('DOCUMENT_PROPERTIES_ARM.PRODUCT_CONCEPT' IN TYPEOF(SELF));
  wr19: NOT ('DOCUMENT_PROPERTIES_ARM.PRODUCT_CONFIGURATION' IN TYPEOF(SELF));
  wr20: NOT ('DOCUMENT_PROPERTIES_ARM.PRODUCT_GROUP_MEMBERSHIP' IN TYPEOF(SELF));
  wr21: NOT ('DOCUMENT_PROPERTIES_ARM.PRODUCT_VERSION' IN TYPEOF(SELF));
  wr22: NOT ('DOCUMENT_PROPERTIES_ARM.PRODUCT_VERSION_RELATIONSHIP' IN TYPEOF(SELF));
  wr23: NOT ('DOCUMENT_PROPERTIES_ARM.PRODUCT_VIEW_DEFINITION' IN TYPEOF(SELF));
  wr24: NOT ('DOCUMENT_PROPERTIES_ARM.PROJECT' IN TYPEOF(SELF));
  wr25: NOT ('DOCUMENT_PROPERTIES_ARM.PROPERTY_DEFINITION_REPRESENTATION' IN TYPEOF(SELF));
  wr26: NOT ('DOCUMENT_PROPERTIES_ARM.REPRESENTATION' IN TYPEOF(SELF));
  wr27: NOT ('DOCUMENT_PROPERTIES_ARM.REPRESENTATION_CONTEXT' IN TYPEOF(SELF));
  wr28: NOT ('DOCUMENT_PROPERTIES_ARM.REPRESENTATION_ITEM' IN TYPEOF(SELF));
  wr29: NOT ('DOCUMENT_PROPERTIES_ARM.SECURITY_CLASSIFICATION' IN TYPEOF(SELF));
  wr30: NOT ('DOCUMENT_PROPERTIES_ARM.VIEW_DEFINITION_RELATIONSHIP' IN TYPEOF(SELF));
  wr31: NOT ('DOCUMENT_PROPERTIES_ARM.WORK_ORDER' IN TYPEOF(SELF));
  wr32: NOT ('DOCUMENT_PROPERTIES_ARM.WORK_REQUEST' IN TYPEOF(SELF));
END_TYPE;

TYPE documented_element_select = SELECT
   (Activity,
    Activity_method,
    Activity_property,
    Activity_property_representation,
    Alternate_product_relationship,
    Applied_activity_assignment,
    Approval,
    Approval_assignment,
    Assembly_component_relationship,
    Assembly_relationship_substitution,
    Assigned_property,
    Breakdown_context,
    Breakdown_element_realization,
    Certification,
    Certification_assignment,
    Class,
    Contract,
    Contract_assignment,
    Contract_relationship,
    Document_assignment,
    Effectivity,
    Effectivity_assignment,
    External_item_identification,
    Identification_assignment,
    Independent_property,
    Independent_property_relationship,
    Independent_property_representation,
    Interface_connection,
    Interface_connector_occurrence,
    Interface_definition_connection,
    Market,
    Organization,
    Organization_or_person_in_organization_assignment,
    Part,
    Part_version,
    Part_view_definition,
    Person,
    Product,
    Product_concept,
    Product_configuration,
    Product_design_to_individual,
    Product_design_version_to_individual,
    Product_planned_to_realized,
    Product_version,
    Product_version_relationship,
    Product_view_definition,
    Project,
    Property_representation,
    Representation,
    Representation_item,
    Security_classification,
    Security_classification_assignment,
    Shape_element,
    Shape_element_relationship,
    View_definition_relationship,
    Work_order,
    Work_request);
END_TYPE;

TYPE effectivity_item = SELECT
   (Activity,
    Activity_method,
    Activity_method_assignment,
    Activity_property,
    Activity_property_representation,
    Address_assignment,
    Alternate_product_relationship,
    Applied_activity_assignment,
    Approval_assignment,
    Assembly_component_relationship,
    Assembly_relationship_substitution,
    Assigned_property,
    Attribute_translation_assignment,
    Breakdown_element_realization,
    Breakdown_of,
    Certification_assignment,
    Classification_assignment,
    Contract_assignment,
    Date_or_date_time_assignment,
    Document_assignment,
    Document_definition_relationship,
    Effectivity_assignment,
    Event,
    Event_assignment,
    External_source_identification,
    File,
    File_relationship,
    Identification_assignment,
    Independent_property_representation,
    Interface_connection,
    Interface_connector_occurrence,
    Interface_definition_for,
    Organization_or_person_in_organization_assignment,
    Organization_relationship,
    Person_in_organization,
    Product,
    Product_configuration,
    Product_design_to_individual,
    Product_design_version_to_individual,
    Product_group,
    Product_group_membership,
    Product_group_relationship,
    Product_planned_to_realized,
    Product_version,
    Product_version_relationship,
    Product_view_definition,
    Project_assignment,
    Security_classification_assignment,
    View_definition_relationship,
    Work_order);
END_TYPE;

TYPE environment_item = SELECT
   (Activity,
    Activity_method,
    Environment_definition_view,
    Location,
    Organization,
    Person,
    Product,
    Product_concept,
    Product_group,
    Product_version);
END_TYPE;

TYPE event_item = SELECT
   (Activity,
    Approval,
    Certification,
    Contract,
    Contract_relationship,
    Product,
    Project,
    Work_request);
END_TYPE;

TYPE external_identification_item = SELECT
   (Document_definition,
    File,
    Person_in_organization,
    Product,
    Project);
END_TYPE;

TYPE geometric_item_specific_usage_select = SELECT
   (Shape_element,
    Shape_element_relationship);
END_TYPE;

TYPE hour_in_day = INTEGER ;
WHERE
  WR1: {0 <= SELF < 24};
END_TYPE;

TYPE identification_item = SELECT
   (Activity,
    Activity_method,
    Activity_property,
    Address,
    Affected_items_assignment,
    Applied_activity_assignment,
    Approval,
    Approval_status,
    Assembly_component_relationship,
    Assembly_relationship_substitution,
    Assigned_property,
    Certification,
    Class,
    Contract,
    Contract_relationship,
    Descriptive_document_property,
    Digital_document_definition,
    Digital_file,
    Document,
    Document_assignment,
    Document_version,
    Effectivity,
    Environment_assignment,
    Environment_definition,
    Environment_definition_version,
    Environment_view_definition_relationship,
    Event,
    External_class_library,
    External_source_identification,
    File,
    Hardcopy,
    Independent_property,
    Independent_property_relationship,
    Interface_connection,
    Interface_connector_occurrence,
    Interface_definition_connection,
    Interface_definition_for,
    Item_shape,
    Market,
    Numerical_document_property,
    Observed_environment,
    Observed_environment_assignment,
    Observed_environment_version,
    Observed_environment_view_definition_relationship,
    Organization,
    Organization_or_person_in_organization_assignment,
    Person,
    Person_in_organization,
    Physical_document_definition,
    Product,
    Product_as_individual,
    Product_as_individual_version,
    Product_concept,
    Product_configuration,
    Product_version,
    Product_view_definition,
    Project,
    Representation,
    Security_classification,
    Security_classification_assignment,
    Shape_element_relationship,
    System,
    System_version,
    View_definition_context,
    View_definition_relationship,
    Work_order,
    Work_request);
END_TYPE;

TYPE identifier = STRING;
END_TYPE;

TYPE in_zone_item = SELECT
   (Interface_connection,
    Interface_connector_occurrence,
    Interface_definition_connection,
    Product_view_definition);
END_TYPE;

TYPE interface_definition_item = SELECT
   (Interface_connection,
    Interface_connector_occurrence,
    Product_view_definition);
END_TYPE;

TYPE item_usage_relationship_item = SELECT
   (Assembly_component_relationship,
    View_definition_usage);
END_TYPE;

TYPE label = STRING;
END_TYPE;

TYPE length_measure = REAL;
END_TYPE;

TYPE location_assignment_select = SELECT
   (Activity,
    Activity_method_assignment,
    Applied_activity_assignment,
    Assembly_component_relationship,
    Event,
    File,
    Interface_connection,
    Interface_connector_occurrence,
    Interface_definition_connection,
    Organization,
    Person,
    Person_in_organization,
    Product,
    Product_group,
    Product_version,
    Product_view_definition,
    Project,
    View_definition_relationship);
END_TYPE;

TYPE measure_value = SELECT
   (any_number_value,
    any_string_value,
    length_measure,
    plane_angle_measure);
END_TYPE;

TYPE minute_in_hour = INTEGER ;
WHERE
  WR1: {0 <= SELF <= 59};
END_TYPE;

TYPE month_in_year_number = INTEGER ;
WHERE
  WR1: {1 <= SELF <= 12};
END_TYPE;

TYPE observed_environment_item = SELECT
   (Activity,
    Activity_method,
    Environment_definition_view,
    Location,
    Organization,
    Person,
    Product,
    Product_concept,
    Product_group,
    Product_version);
END_TYPE;

TYPE offset_orientation = ENUMERATION OF
   (ahead,
    exact,
    behind);
END_TYPE;

TYPE organization_or_person_in_organization_item = SELECT
   (Activity,
    Activity_property,
    Activity_property_representation,
    Address,
    Affected_items_assignment,
    Alternate_product_relationship,
    Applied_activity_assignment,
    Approval,
    Approval_status,
    Assembly_component_relationship,
    Assembly_relationship_substitution,
    Assigned_property,
    Breakdown_element_realization,
    Certification,
    Contract,
    Digital_document_definition,
    Digital_file,
    Directed_activity,
    Document,
    Document_assignment,
    Document_definition,
    Document_version,
    Effectivity,
    Event,
    Hardcopy,
    Identification_assignment,
    Independent_property_representation,
    Interface_connection,
    Interface_connector_occurrence,
    Interface_definition_connection,
    Interface_definition_for,
    Organization,
    Organization_or_person_in_organization_assignment,
    Part,
    Part_version,
    Part_view_definition,
    Person,
    Person_in_organization,
    Physical_document_definition,
    Product,
    Product_configuration,
    Product_version,
    Product_view_definition,
    Project,
    Security_classification,
    Security_classification_assignment,
    Shape_element_relationship,
    Supplied_part_relationship,
    View_definition_relationship,
    Work_order,
    Work_request);
END_TYPE;

TYPE organization_or_person_in_organization_select = SELECT
   (Organization,
    Person_in_organization);
END_TYPE;

TYPE plane_angle_measure = REAL;
END_TYPE;

TYPE product_based_location_representation = SELECT
   (Product,
    Product_version);
END_TYPE;

TYPE product_design_view_or_configuration = SELECT
   (Product_configuration,
    Product_view_definition);
END_TYPE;

TYPE product_item = SELECT
   (Assembly_component_relationship,
    Interface_connector_occurrence,
    Product_view_definition,
    View_definition_usage);
END_TYPE;

TYPE product_select = SELECT
   (Product,
    Product_as_individual,
    Product_concept,
    Product_group,
    Product_version);
END_TYPE;

TYPE product_version_or_configuration = SELECT
   (Product_configuration,
    Product_version);
END_TYPE;

TYPE project_item = SELECT
   (Activity,
    Activity_method,
    Alternate_product_relationship,
    Applied_activity_assignment,
    Assembly_component_relationship,
    Assembly_relationship_substitution,
    Independent_property,
    Interface_connection,
    Interface_definition_connection,
    Product,
    Product_concept,
    Product_configuration,
    Product_view_definition,
    Representation,
    View_definition_relationship);
END_TYPE;

TYPE property_assignment_select = SELECT
   (Address,
    Alternate_product_relationship,
    Applied_activity_assignment,
    Assembly_component_relationship,
    Breakdown_element_realization,
    Breakdown_element_usage,
    Document_assignment,
    Document_definition,
    File,
    In_zone,
    Independent_property_relationship,
    Interface_connection,
    Interface_connector_occurrence,
    Interface_definition_connection,
    Organization_or_person_in_organization_assignment,
    Part_view_definition,
    Person,
    Person_in_organization,
    Product,
    Product_concept,
    Product_configuration,
    Product_group_membership,
    Product_version,
    Product_version_relationship,
    Product_view_definition,
    Project,
    Property_definition_representation,
    Representation,
    Representation_context,
    Representation_item,
    Security_classification,
    View_definition_relationship,
    Work_order,
    Work_request);
END_TYPE;

TYPE represented_definition = SELECT
   (Assigned_property,
    Independent_property);
END_TYPE;

TYPE same_as_item = SELECT
   (Product,
    Product_version,
    Product_view_definition);
END_TYPE;

TYPE second_in_minute = REAL ;
WHERE
  WR1: {0 <= SELF <= 60.000000};
END_TYPE;

TYPE security_classification_item = SELECT
   (Activity,
    Activity_method,
    Activity_method_assignment,
    Activity_property,
    Affected_items_assignment,
    Alternate_product_relationship,
    Applied_activity_assignment,
    Assembly_component_relationship,
    Assembly_relationship_substitution,
    Assigned_property,
    Breakdown_element_realization,
    Breakdown_element_usage,
    Digital_document_definition,
    Digital_file,
    Document,
    Document_assignment,
    Document_version,
    Event,
    Hardcopy,
    In_zone,
    Interface_connection,
    Interface_connector_occurrence,
    Interface_definition_connection,
    Interface_definition_for,
    Physical_document_definition,
    Product,
    Product_configuration,
    Product_design_to_individual,
    Product_design_version_to_individual,
    Product_version,
    Product_view_definition,
    Project_relationship,
    Work_order,
    Work_request,
    Work_request_status);
END_TYPE;

TYPE shape_dependent_select = SELECT
   (Item_shape,
    Shape_element);
END_TYPE;

TYPE shape_model = SELECT
   (External_geometric_model,
    Geometric_model);
END_TYPE;

TYPE shape_select = SELECT
   (Item_shape,
    Shape_element,
    Shape_element_relationship);
END_TYPE;

TYPE shapeable_item = SELECT
   (Product_occurrence_definition_relationship,
    Product_view_definition,
    View_definition_usage);
END_TYPE;

TYPE string_select = SELECT
   (Activity,
    Activity_method,
    Activity_method_assignment,
    Activity_property,
    Activity_relationship,
    Alternate_part_relationship,
    Applied_activity_assignment,
    Approval,
    Approval_relationship,
    Approval_status,
    Assembly_component_relationship,
    Assembly_relationship_substitution,
    Assigned_property,
    Breakdown_element_realization,
    Certification,
    Contract,
    Date_or_date_time_assignment,
    Digital_document_definition,
    Document,
    Document_assignment,
    Document_definition_relationship,
    Document_version,
    Event,
    External_item_identification,
    External_source_identification,
    File_relationship,
    Identification_assignment,
    Independent_property,
    Independent_property_relationship,
    Interface_connection,
    Interface_connector_occurrence,
    Interface_definition_connection,
    Interface_definition_for,
    Organization_relationship,
    Person_in_organization,
    Physical_document_definition,
    Product,
    Product_configuration,
    Product_version,
    Product_view_definition,
    Project,
    Project_assignment,
    Project_relationship,
    Representation_item,
    View_definition_relationship,
    Work_order,
    Work_request);
END_TYPE;

TYPE template_definition_select = SELECT
   (Geometric_model);
END_TYPE;

TYPE text = STRING;
END_TYPE;

TYPE time_interval_item = SELECT
   (Activity,
    Activity_method_assignment,
    Affected_items_assignment,
    Directed_activity,
    Work_order,
    Work_request);
END_TYPE;

TYPE value_qualifier = SELECT
   (Precision_qualifier,
    Type_qualifier,
    Uncertainty_qualifier);
END_TYPE;

TYPE version_or_definition = SELECT
   (Product_version,
    Product_view_definition);
END_TYPE;

TYPE year_number = INTEGER;
END_TYPE;

ENTITY Activity;
  id : STRING;
  name : STRING;
  description : OPTIONAL STRING;
  chosen_method : Activity_method;
END_ENTITY;

ENTITY Activity_method;
  name : STRING;
  description : OPTIONAL STRING;
  consequence : OPTIONAL STRING;
  purpose : STRING;
END_ENTITY;

ENTITY Activity_method_assignment;
  relation_type : STRING;
  assigned_method : Activity_method;
  associated_request : Work_request;
END_ENTITY;

ENTITY Activity_property;
  name : STRING;
  description : STRING;
  described_element : characterized_activity_definition;
END_ENTITY;

ENTITY Activity_property_representation;
  description : OPTIONAL STRING;
  property : Activity_property;
  rep : Representation;
  role : STRING;
END_ENTITY;

ENTITY Activity_relationship;
  name : STRING;
  description : OPTIONAL STRING;
  relating_activity : Activity;
  related_activity : Activity;
END_ENTITY;

ENTITY Activity_status;
  assigned_activity : Activity;
  status : STRING;
END_ENTITY;

ENTITY Address;
  name : OPTIONAL STRING;
  street_number : OPTIONAL STRING;
  street : OPTIONAL STRING;
  postal_box : OPTIONAL STRING;
  town : OPTIONAL STRING;
  region : OPTIONAL STRING;
  postal_code : OPTIONAL STRING;
  country : OPTIONAL STRING;
  internal_location : OPTIONAL STRING;
  facsimile_number : OPTIONAL STRING;
  telephone_number : OPTIONAL STRING;
  electronic_mail_address : OPTIONAL STRING;
  telex_number : OPTIONAL STRING;
  url : OPTIONAL STRING;
WHERE
  WR1: (EXISTS(street_number) OR EXISTS(street) OR EXISTS(postal_box) OR EXISTS(town) OR EXISTS(region) OR EXISTS(postal_code) OR EXISTS(country) OR EXISTS(internal_location) OR EXISTS(facsimile_number) OR EXISTS(telephone_number) OR EXISTS(electronic_mail_address) OR EXISTS(telex_number));
END_ENTITY;

ENTITY Address_assignment;
  address_type : OPTIONAL STRING;
  assigned_address : Address;
  located_person_organizations : SET[1:?] OF organization_or_person_in_organization_select;
END_ENTITY;

ENTITY Address_based_location_representation
  SUBTYPE OF (Location_representation);
  postal_address : Address;
END_ENTITY;

ENTITY Affected_items_assignment;
  assigned_work_request : Work_request;
  items : SET[1:?] OF affected_item_select;
END_ENTITY;

ENTITY Alias_identification
  SUBTYPE OF (Identification_assignment);
  SELF\Identification_assignment.items : SET[1:?] OF alias_identification_item;
DERIVE
  SELF\Identification_assignment.role : STRING := 'alias';
END_ENTITY;

ENTITY Alternate_part_relationship
  SUBTYPE OF (Alternate_product_relationship);
  SELF\Alternate_product_relationship.alternate_product : Part;
  SELF\Alternate_product_relationship.base_product : Part;
END_ENTITY;

ENTITY Alternate_product_relationship;
  name : OPTIONAL STRING;
  description : OPTIONAL STRING;
  alternate_product : Product;
  base_product : Product;
  criteria : OPTIONAL STRING;
UNIQUE
  UR1: alternate_product, base_product;
WHERE
  WR1: alternate_product :<>: base_product;
  WR2: EXISTS(criteria) OR (TYPEOF(SELF\Alternate_product_relationship) <> TYPEOF(SELF));
END_ENTITY;

ENTITY Amount_of_substance_unit
  SUBTYPE OF (Unit);
END_ENTITY;

ENTITY Applied_activity_assignment;
  assigned_activity : Activity;
  items : SET[1:?] OF activity_item;
  role : STRING;
END_ENTITY;

ENTITY Applied_independent_activity_property
  SUBTYPE OF (Activity_property);
  base_element_property : Independent_property;
DERIVE
  SELF\Activity_property.name : STRING := base_element_property.property_type;
END_ENTITY;

ENTITY Applied_independent_property
  SUBTYPE OF (Assigned_property);
  base_independent_property : Independent_property;
DERIVE
  SELF\Assigned_property.name : STRING := base_independent_property.property_type;
END_ENTITY;

ENTITY Approval;
  status : Approval_status;
  purpose : STRING;
  planned_date : OPTIONAL date_or_date_time_select;
  actual_date : OPTIONAL date_or_date_time_select;
END_ENTITY;

ENTITY Approval_assignment;
  assigned_approval : Approval;
  items : SET[1:?] OF approval_item;
  role : OPTIONAL STRING;
END_ENTITY;

ENTITY Approval_relationship;
  relation_type : STRING;
  description : OPTIONAL STRING;
  relating_approval : Approval;
  related_approval : Approval;
END_ENTITY;

ENTITY Approval_status;
  status_name : STRING;
END_ENTITY;

ENTITY Approving_person_organization;
  person_organization : organization_or_person_in_organization_select;
  approval_date : OPTIONAL date_or_date_time_select;
  authorized_approval : Approval;
  role : OPTIONAL STRING;
END_ENTITY;

ENTITY Assembly_component_relationship
  ABSTRACT SUPERTYPE OF (ONEOF (Next_assembly_usage,
                                Promissory_usage,
                                Component_upper_level_identification))
  SUBTYPE OF (Product_occurrence_definition_relationship);
  location_indicator : OPTIONAL STRING;
  quantity : OPTIONAL Value_with_unit;
WHERE
  WR1: NOT (EXISTS(quantity)) OR ((NOT ('NUMBER' IN TYPEOF(quantity.value_component))) XOR (quantity.value_component > 0));
END_ENTITY;

ENTITY Assembly_relationship_substitution;
  name : OPTIONAL STRING;
  description : OPTIONAL STRING;
  base_relationship : Assembly_component_relationship;
  substitute_relationship : Assembly_component_relationship;
UNIQUE
  UR1: base_relationship, substitute_relationship;
WHERE
  WR1: base_relationship.relating_view :=: substitute_relationship.relating_view;
  WR2: base_relationship :<>: substitute_relationship;
END_ENTITY;

ENTITY Assigned_document_property
  SUBTYPE OF (Assigned_property);
  SELF\Assigned_property.described_element : document_property_item;
DERIVE
  SELF\Assigned_property.name : STRING := 'document property';
WHERE
  WR1: SIZEOF(['SYSTEM_STRUCTURE_ARM_LF.DOCUMENT_DEFINITION', 'SYSTEM_STRUCTURE_ARM_LF.FILE'] * TYPEOF(SELF\Assigned_property.described_element)) = 1;
END_ENTITY;

ENTITY Assigned_property;
  id : OPTIONAL STRING;
  name : STRING;
  description : OPTIONAL STRING;
  described_element : property_assignment_select;
END_ENTITY;

ENTITY Attribute_translation_assignment;
  considered_instance : string_select;
  considered_attribute : STRING;
  translation_text : STRING;
  translation_language : Language;
UNIQUE
  UR1: considered_instance, considered_attribute, translation_language;
END_ENTITY;

ENTITY Axis_placement
  SUPERTYPE OF (ONEOF (Axis_placement_2d,
                       Axis_placement_3d))
  SUBTYPE OF (Detailed_geometric_model_element);
  origin : Cartesian_point;
  x_axis : Direction;
  y_axis : Direction;
DERIVE
  dim : INTEGER := SIZEOF(origin.coordinates);
WHERE
  WR1: dim > 1;
  WR2: dim = SIZEOF(x_axis.coordinates);
  WR3: dim = SIZEOF(y_axis.coordinates);
END_ENTITY;

ENTITY Axis_placement_2d
  SUBTYPE OF (Axis_placement);
END_ENTITY;

ENTITY Axis_placement_3d
  SUBTYPE OF (Axis_placement);
END_ENTITY;

ENTITY Axis_placement_mapping;
  source : Axis_placement;
  target : Axis_placement;
WHERE
  WR1: source\Axis_placement.dim = target\Axis_placement.dim;
END_ENTITY;

ENTITY Breakdown
  SUBTYPE OF (Product);
END_ENTITY;

ENTITY Breakdown_context;
  id : STRING;
  name : STRING;
  description : OPTIONAL STRING;
  breakdown : Breakdown_version;
  breakdown_element : Breakdown_element_definition;
END_ENTITY;

ENTITY Breakdown_element
  SUBTYPE OF (Product);
END_ENTITY;

ENTITY Breakdown_element_definition
  SUBTYPE OF (Product_view_definition);
  SELF\Product_view_definition.defined_version : Breakdown_element_version;
END_ENTITY;

ENTITY Breakdown_element_realization
  SUBTYPE OF (Product_definition_element_relationship);
END_ENTITY;

ENTITY Breakdown_element_usage
  SUBTYPE OF (View_definition_usage);
  name : STRING;
  SELF\View_definition_relationship.relating_view : Breakdown_element_definition;
  SELF\View_definition_relationship.related_view : Breakdown_element_definition;
DERIVE
  child_element : Breakdown_element_definition := SELF\View_definition_relationship.related_view;
  parent_element : Breakdown_element_definition := SELF\View_definition_relationship.relating_view;
END_ENTITY;

ENTITY Breakdown_element_version
  SUBTYPE OF (Product_version);
  SELF\Product_version.of_product : Breakdown_element;
END_ENTITY;

ENTITY Breakdown_of;
  id : STRING;
  name : STRING;
  description : OPTIONAL STRING;
  breakdown : Breakdown_version;
  of_view : Product_view_definition;
END_ENTITY;

ENTITY Breakdown_version
  SUBTYPE OF (Product_version);
  SELF\Product_version.of_product : Breakdown;
INVERSE
  breakdown_of : SET[1:?] OF Breakdown_of FOR breakdown;
END_ENTITY;

ENTITY Calendar_date;
  year_component : year_number;
  month_component : month_in_year_number;
  day_component : day_in_month_number;
END_ENTITY;

ENTITY Cartesian_point
  SUBTYPE OF (Detailed_geometric_model_element);
  coordinates : LIST[1:3] OF length_measure;
END_ENTITY;

ENTITY Cartesian_transformation_2d
  SUBTYPE OF (Detailed_geometric_model_element);
  multiplication_matrix : ARRAY[1:2] OF Direction;
  translation : Cartesian_point;
WHERE
  WR1: SIZEOF(multiplication_matrix[1]\Direction.coordinates) = 2;
  WR2: SIZEOF(multiplication_matrix[2]\Direction.coordinates) = 2;
  WR3: SIZEOF(translation.coordinates) = 2;
END_ENTITY;

ENTITY Cartesian_transformation_3d
  SUBTYPE OF (Detailed_geometric_model_element);
  multiplication_matrix : ARRAY[1:3] OF Direction;
  translation : Cartesian_point;
WHERE
  WR1: SIZEOF(multiplication_matrix[1]\Direction.coordinates) = 3;
  WR2: SIZEOF(multiplication_matrix[2]\Direction.coordinates) = 3;
  WR3: SIZEOF(multiplication_matrix[3]\Direction.coordinates) = 3;
  WR4: SIZEOF(translation.coordinates) = 3;
END_ENTITY;

ENTITY Certification;
  name : STRING;
  description : OPTIONAL STRING;
  kind : STRING;
END_ENTITY;

ENTITY Certification_assignment;
  assigned_certification : Certification;
  items : SET[1:?] OF certification_item;
  role : STRING;
END_ENTITY;

ENTITY Chain_based_geometric_item_specific_usage
  SUBTYPE OF (Geometric_item_specific_usage);
  nodes : LIST[2:?] OF UNIQUE Geometric_model;
  undirected_link : LIST[1:?] OF UNIQUE chained_geometric_model_link;
END_ENTITY;

ENTITY Class
  SUPERTYPE OF (ONEOF (Class_by_extension,
                       Class_by_intension));
  id : STRING;
  name : STRING;
  description : OPTIONAL STRING;
END_ENTITY;

ENTITY Class_by_extension
  SUBTYPE OF (Class);
END_ENTITY;

ENTITY Class_by_intension
  SUBTYPE OF (Class);
END_ENTITY;

ENTITY Classification_assignment;
  assigned_class : Class;
  items : SET[1:?] OF classification_item;
  role : OPTIONAL STRING;
END_ENTITY;

ENTITY Collection
  SUBTYPE OF (Product);
END_ENTITY;

ENTITY Collection_assignment;
  collection : Collection_view_definition;
  is_assigned_to : collection_assignment_select;
END_ENTITY;

ENTITY Collection_membership;
  member : collection_member_select;
  of_collection : Collection_view_definition;
END_ENTITY;

ENTITY Collection_relationship
  SUBTYPE OF (Product_relationship);
  SELF\Product_relationship.relating_product : Collection;
  SELF\Product_relationship.related_product : Collection;
DERIVE
  related_collection : Collection := SELF\Product_relationship.related_product;
  relating_collection : Collection := SELF\Product_relationship.relating_product;
END_ENTITY;

ENTITY Collection_version
  SUBTYPE OF (Product_version);
  SELF\Product_version.of_product : Collection;
DERIVE
  of_collection : Collection := SELF\Product_version.of_product;
END_ENTITY;

ENTITY Collection_version_relationship
  SUBTYPE OF (Product_version_relationship);
  SELF\Product_version_relationship.relating_version : Collection_version;
  SELF\Product_version_relationship.related_version : Collection_version;
END_ENTITY;

ENTITY Collection_version_sequence_relationship
  SUBTYPE OF (Collection_version_relationship);
DERIVE
  predecessor : Collection_version := SELF\Product_version_relationship.relating_version;
  successor : Collection_version := SELF\Product_version_relationship.related_version;
END_ENTITY;

ENTITY Collection_view_definition
  SUBTYPE OF (Product_view_definition);
  SELF\Product_view_definition.defined_version : Collection_version;
END_ENTITY;

ENTITY Component_upper_level_identification
  SUBTYPE OF (Assembly_component_relationship);
  upper_assembly_relationship : Assembly_component_relationship;
  sub_assembly_relationship : Next_assembly_usage;
UNIQUE
  UR1: upper_assembly_relationship, sub_assembly_relationship;
WHERE
  WR1: SELF :<>: upper_assembly_relationship;
  WR2: SELF\Product_occurrence_definition_relationship.relating_view :=: upper_assembly_relationship\Product_occurrence_definition_relationship.relating_view;
  WR3: SELF\Product_occurrence_definition_relationship.related_view :=: sub_assembly_relationship\Product_occurrence_definition_relationship.related_view;
  WR4: (upper_assembly_relationship\Product_occurrence_definition_relationship.related_view :=: sub_assembly_relationship\Product_occurrence_definition_relationship.relating_view) OR (SIZEOF(QUERY(pdr <* USEDIN(upper_assembly_relationship\Product_occurrence_definition_relationship.related_view, 'SYSTEM_STRUCTURE_ARM_LF.PRODUCT_OCCURRENCE_DEFINITION_RELATIONSHIP.RELATED_VIEW') | pdr.relating_view :=: sub_assembly_relationship\Product_occurrence_definition_relationship.relating_view)) = 1);
  WR5: SIZEOF(['SYSTEM_STRUCTURE_ARM_LF.NEXT_ASSEMBLY_USAGE', 'SYSTEM_STRUCTURE_ARM_LF.COMPONENT_UPPER_LEVEL_IDENTIFICATION'] * TYPEOF(upper_assembly_relationship)) = 1;
END_ENTITY;

ENTITY Condition;
  name : STRING;
  description : OPTIONAL STRING;
END_ENTITY;

ENTITY Condition_assignment;
  assigned_condition : Condition;
  item : condition_item;
END_ENTITY;

ENTITY Condition_parameter;
  name : STRING;
  description : OPTIONAL STRING;
  condition : Condition;
  parameter : OPTIONAL condition_parameter_item;
END_ENTITY;

ENTITY Condition_relationship;
  name : STRING;
  description : OPTIONAL STRING;
  relating_condition : Condition;
  related_condition : Condition;
END_ENTITY;

ENTITY Conditional_effectivity
  SUBTYPE OF (Effectivity);
  condition : Condition;
END_ENTITY;

ENTITY Context_dependent_unit
  SUBTYPE OF (Unit);
WHERE
  WR1: EXISTS(SELF\Unit.name);
END_ENTITY;

ENTITY Contextual_item_shape
  SUBTYPE OF (Item_shape);
  SELF\Item_shape.described_element : described_element_select;
DERIVE
  shaped_product : Product_view_definition := spa_get_definition(SELF);
END_ENTITY;

ENTITY Contextual_shape_representation;
  contextual_shape : Contextual_item_shape;
  representing_relationship : Geometric_model_relationship;
DERIVE
  context_representation : Geometric_model := representing_relationship.rep_2;
  positioned_representation : Geometric_model := representing_relationship.rep_1;
END_ENTITY;

ENTITY Contract;
  id : STRING;
  purpose : STRING;
  kind : STRING;
END_ENTITY;

ENTITY Contract_assignment;
  assigned_contract : Contract;
  items : SET[1:?] OF contract_item;
END_ENTITY;

ENTITY Contract_relationship;
  relating_contract : Contract;
  related_contract : Contract;
END_ENTITY;

ENTITY Conversion_based_unit
  SUBTYPE OF (Unit);
  conversion_factor : Value_with_unit;
WHERE
  WR1: EXISTS(SELF\Unit.name);
END_ENTITY;

ENTITY Date_or_date_time_assignment;
  assigned_date : date_or_date_time_select;
  role : STRING;
  items : SET[1:?] OF date_or_date_time_item;
END_ENTITY;

ENTITY Date_time;
  date_component : Calendar_date;
  time_component : Local_time;
END_ENTITY;

ENTITY Dated_effectivity
  SUBTYPE OF (Effectivity);
  start_bound : date_or_event;
  end_bound : OPTIONAL date_or_event;
END_ENTITY;

ENTITY Definitional_representation_relationship
  SUBTYPE OF (Representation_relationship);
WHERE
  WR1: acyclic_representation_relationship(SELF, [SELF\Representation_relationship.rep_2], 'SYSTEM_STRUCTURE_ARM_LF.' + 'REPRESENTATION');
END_ENTITY;

ENTITY Derived_unit
  SUBTYPE OF (Unit);
  elements : SET[1:?] OF Derived_unit_element;
END_ENTITY;

ENTITY Derived_unit_element;
  base_unit : Unit;
  exponent : REAL;
END_ENTITY;

ENTITY Descriptive_document_property
  SUBTYPE OF (String_representation_item);
INVERSE
  valued_characteristic : SET[1:1] OF Document_property_representation FOR items;
END_ENTITY;

ENTITY Detailed_geometric_model_element
  ABSTRACT SUPERTYPE OF (ONEOF (Cartesian_point,
                                Direction,
                                Axis_placement,
                                Cartesian_transformation_2d,
                                Cartesian_transformation_3d,
                                Geometric_placement_operation))
  SUBTYPE OF (Representation_item);
END_ENTITY;

ENTITY Digital_document_definition
  SUBTYPE OF (Document_definition);
  files : SET[0:?] OF Digital_file;
END_ENTITY;

ENTITY Digital_file
  SUBTYPE OF (File);
END_ENTITY;

ENTITY Directed_activity
  SUBTYPE OF (Activity);
  directive : Work_order;
END_ENTITY;

ENTITY Direction
  SUBTYPE OF (Detailed_geometric_model_element);
  coordinates : LIST[2:3] OF length_measure;
END_ENTITY;

ENTITY Document
  SUBTYPE OF (Product);
END_ENTITY;

ENTITY Document_assignment;
  assigned_document : assigned_document_select;
  is_assigned_to : documented_element_select;
  role : STRING;
END_ENTITY;

ENTITY Document_definition
  SUPERTYPE OF (ONEOF (Digital_document_definition,
                       Physical_document_definition))
  SUBTYPE OF (Product_view_definition);
  SELF\Product_view_definition.defined_version : Document_version;
DERIVE
  associated_document_version : Document_version := SELF\Product_view_definition.defined_version;
  description : STRING := SELF\Product_view_definition.name;
END_ENTITY;

ENTITY Document_definition_relationship;
  relation_type : STRING;
  description : OPTIONAL STRING;
  relating_document_definition : Document_definition;
  related_document_definition : Document_definition;
WHERE
  WR1: relating_document_definition :<>: related_document_definition;
END_ENTITY;

ENTITY Document_location_identification
  SUBTYPE OF (External_source_identification);
WHERE
  WR1: 'SYSTEM_STRUCTURE_ARM_LF.DOCUMENT_DEFINITION' IN TYPEOF(SELF\External_source_identification.item);
END_ENTITY;

ENTITY Document_property_representation
  SUBTYPE OF (Representation);
  SELF\Representation.items : SET[1:?] OF descriptive_or_numerical;
WHERE
  WR1: SIZEOF(QUERY(pr <* USEDIN(SELF, 'SYSTEM_STRUCTURE_ARM_LF.PROPERTY_DEFINITION_REPRESENTATION.REP') | 'SYSTEM_STRUCTURE_ARM_LF.ASSIGNED_PROPERTY' IN TYPEOF(pr\Property_representation.property))) > 0;
  WR2: SELF\Representation.context_of_items.kind = 'document parameters';
  WR3: SIZEOF(QUERY(it1 <* SELF\Representation.items | SIZEOF(QUERY(it2 <* SELF\Representation.items | it1.name = it2.name)) > 1)) = 0;
END_ENTITY;

ENTITY Document_version
  SUBTYPE OF (Product_version);
  SELF\Product_version.of_product : Document;
END_ENTITY;

ENTITY Duration
  SUBTYPE OF (Value_with_unit);
WHERE
  WR1: 'SYSTEM_STRUCTURE_ARM_LF.' + 'TIME_UNIT' IN TYPEOF(SELF\Value_with_unit.unit);
END_ENTITY;

ENTITY Effectivity
  SUPERTYPE OF ((ONEOF (Serial_effectivity,
                        Dated_effectivity,
                        Lot_effectivity,
                        Time_interval_effectivity))
               ANDOR (ONEOF (Conditional_effectivity,
                    Dated_effectivity,
                    Lot_effectivity,
                    Serial_effectivity,
                    Time_interval_effectivity)));
  id : STRING;
  name : STRING;
  description : OPTIONAL STRING;
END_ENTITY;

ENTITY Effectivity_assignment;
  assigned_effectivity : Effectivity;
  role : STRING;
  items : SET[1:?] OF effectivity_item;
END_ENTITY;

ENTITY Effectivity_relationship;
  relation_type : STRING;
  description : OPTIONAL STRING;
  relating_effectivity : Effectivity;
  related_effectivity : Effectivity;
END_ENTITY;

ENTITY Electric_current_unit
  SUBTYPE OF (Unit);
END_ENTITY;

ENTITY Environment_assignment;
  environment : Environment_definition_view;
  item : environment_item;
END_ENTITY;

ENTITY Environment_definition
  SUBTYPE OF (Product);
END_ENTITY;

ENTITY Environment_definition_version
  SUBTYPE OF (Product_version);
  of_environment : Environment_definition;
END_ENTITY;

ENTITY Environment_definition_view
  SUBTYPE OF (Product_view_definition);
  defined_environment_version : Environment_definition_version;
END_ENTITY;

ENTITY Environment_view_definition_relationship
  SUBTYPE OF (View_definition_relationship);
  SELF\View_definition_relationship.relating_view : Environment_definition_view;
  SELF\View_definition_relationship.related_view : Environment_definition_view;
DERIVE
  related_environment : Environment_definition_view := SELF\View_definition_relationship.related_view;
  relating_environment : Environment_definition_view := SELF\View_definition_relationship.relating_view;
END_ENTITY;

ENTITY Event;
  id : STRING;
  name : STRING;
  description : OPTIONAL STRING;
  actual_start_date : OPTIONAL date_or_date_time_select;
  planned_start_date : OPTIONAL date_or_date_time_select;
END_ENTITY;

ENTITY Event_assignment;
  assigned_event : Event;
  items : SET[1:?] OF event_item;
  role : STRING;
END_ENTITY;

ENTITY Event_relationship;
  relation_type : STRING;
  description : OPTIONAL STRING;
  relating_event : Event;
  related_event : Event;
END_ENTITY;

ENTITY Expanded_uncertainty
  SUBTYPE OF (Standard_uncertainty);
  coverage_factor : REAL;
END_ENTITY;

ENTITY External_class
  SUBTYPE OF (Class);
  external_source : External_class_library;
END_ENTITY;

ENTITY External_class_library
  SUBTYPE OF (External_source);
END_ENTITY;

ENTITY External_geometric_model
  SUBTYPE OF (Geometric_model);
  SELF\Representation.items : SET[1:1] OF Axis_placement;
  external_file : Digital_file;
WHERE
  WR1: SELF\Representation.context_of_items.dimension_count = 3;
  WR2: SELF\Representation.context_of_items.kind = 'external';
END_ENTITY;

ENTITY External_item_identification
  SUBTYPE OF (External_source_identification);
  external_id : STRING;
END_ENTITY;

ENTITY External_source;
  id : STRING;
  description : OPTIONAL STRING;
END_ENTITY;

ENTITY External_source_identification;
  source_id : STRING;
  source_type : STRING;
  item : external_identification_item;
  description : OPTIONAL STRING;
END_ENTITY;

ENTITY File
  ABSTRACT SUPERTYPE OF (ONEOF (Digital_file,
                                Hardcopy));
  id : STRING;
  version : OPTIONAL STRING;
  contained_data_type : OPTIONAL STRING;
END_ENTITY;

ENTITY File_location_identification
  SUBTYPE OF (External_item_identification);
WHERE
  WR1: 'SYSTEM_STRUCTURE_ARM_LF.FILE' IN TYPEOF(SELF\External_source_identification.item);
END_ENTITY;

ENTITY File_relationship;
  relation_type : STRING;
  description : OPTIONAL STRING;
  relating_document_file : File;
  related_document_file : File;
WHERE
  WR1: relating_document_file :<>: related_document_file;
END_ENTITY;

ENTITY Geometric_composition_with_operator_transformation
  SUBTYPE OF (Definitional_representation_relationship, Geometric_relationship_with_operator_transformation);
END_ENTITY;

ENTITY Geometric_composition_with_placement_transformation
  SUBTYPE OF (Definitional_representation_relationship, Geometric_relationship_with_placement_transformation);
END_ENTITY;

ENTITY Geometric_coordinate_space
  SUBTYPE OF (Numerical_representation_context);
  dimension_count : INTEGER;
WHERE
  WR1: dimension_count > 0;
END_ENTITY;

ENTITY Geometric_item_specific_usage;
  name : STRING;
  description : OPTIONAL STRING;
  definition : geometric_item_specific_usage_select;
  identified_item : Detailed_geometric_model_element;
  used_model : shape_model;
END_ENTITY;

ENTITY Geometric_model
  SUBTYPE OF (Representation);
  version_id : OPTIONAL STRING;
  model_extent : OPTIONAL length_measure;
  SELF\Representation.context_of_items : Geometric_coordinate_space;
  SELF\Representation.items : SET[1:?] OF Detailed_geometric_model_element;
END_ENTITY;

ENTITY Geometric_model_relationship
  SUBTYPE OF (Representation_relationship);
  SELF\Representation_relationship.rep_1 : Geometric_model;
  SELF\Representation_relationship.rep_2 : Geometric_model;
WHERE
  WR1: rep_1 <> rep_2;
END_ENTITY;

ENTITY Geometric_model_relationship_with_transformation
  ABSTRACT SUPERTYPE OF (ONEOF (Geometric_relationship_with_placement_transformation,
                                Geometric_relationship_with_operator_transformation))
  SUBTYPE OF (Geometric_model_relationship);
WHERE
  WR1: rep_1.context_of_items :<>: rep_2.context_of_items;
END_ENTITY;

ENTITY Geometric_operator_transformation
  SUBTYPE OF (Geometric_placement_operation);
  target : cartesian_transformation;
END_ENTITY;

ENTITY Geometric_placement
  SUBTYPE OF (Geometric_placement_operation);
  target : Axis_placement;
END_ENTITY;

ENTITY Geometric_placement_model
  SUBTYPE OF (Geometric_model);
  SELF\Representation.items : SET[1:1] OF Geometric_placement_operation;
END_ENTITY;

ENTITY Geometric_placement_operation
  ABSTRACT SUPERTYPE OF (ONEOF (Geometric_placement,
                                Geometric_operator_transformation))
  SUBTYPE OF (Detailed_geometric_model_element);
  source : Axis_placement;
  template_definition : template_definition_select;
END_ENTITY;

ENTITY Geometric_relationship_with_operator_transformation
  SUBTYPE OF (Geometric_model_relationship_with_transformation);
  transformation : cartesian_transformation;
WHERE
  WR1: rep_1.context_of_items\Geometric_coordinate_space.dimension_count :=: rep_2.context_of_items\Geometric_coordinate_space.dimension_count;
END_ENTITY;

ENTITY Geometric_relationship_with_placement_transformation
  SUBTYPE OF (Geometric_model_relationship_with_transformation);
  transformation : Axis_placement_mapping;
WHERE
  WR1: rep_1.context_of_items\Geometric_coordinate_space.dimension_count :=: rep_2.context_of_items\Geometric_coordinate_space.dimension_count;
END_ENTITY;

ENTITY Global_location_representation
  SUBTYPE OF (Location_representation);
  altitude : OPTIONAL Value_with_unit;
  geographical_area : OPTIONAL STRING;
  latitude : Value_with_unit;
  longitude : Value_with_unit;
END_ENTITY;

ENTITY Hardcopy
  SUBTYPE OF (File);
END_ENTITY;

ENTITY Hierarchical_interface_connection
  SUBTYPE OF (Interface_connection);
END_ENTITY;

ENTITY Identification_assignment;
  identifier : STRING;
  role : STRING;
  description : OPTIONAL STRING;
  items : SET[1:?] OF identification_item;
END_ENTITY;

ENTITY Identification_relationship;
  relating_identification_assignment : Identification_assignment;
  related_identification_assignment : Identification_assignment;
END_ENTITY;

ENTITY In_zone;
  id : STRING;
  name : STRING;
  description : OPTIONAL STRING;
  located_item : in_zone_item;
  zone : Zone_element_definition;
END_ENTITY;

ENTITY Incomplete_reference_marking
  SUBTYPE OF (Classification_assignment);
WHERE
  WR1: SIZEOF(QUERY(item <* SELF\Classification_assignment.items | NOT ('SYSTEM_STRUCTURE_ARM_LF.IDRM_MARKED_ITEM' IN TYPEOF(item)))) = 0;
  WR2: SELF\Classification_assignment.assigned_class.id = 'reference';
END_ENTITY;

ENTITY Independent_property;
  id : STRING;
  property_type : STRING;
  description : OPTIONAL STRING;
END_ENTITY;

ENTITY Independent_property_relationship;
  relation_type : STRING;
  description : OPTIONAL STRING;
  relating : Independent_property;
  related : Independent_property;
END_ENTITY;

ENTITY Independent_property_representation
  SUBTYPE OF (Property_definition_representation);
  SELF\Property_definition_representation.definition : Independent_property;
DERIVE
  property : Independent_property := SELF\Property_definition_representation.definition;
END_ENTITY;

ENTITY Interface_connection;
  id : STRING;
  description : OPTIONAL STRING;
  connection_type : STRING;
  connecting : connection_items;
  connected : connection_items;
END_ENTITY;

ENTITY Interface_connector
  SUBTYPE OF (Product);
END_ENTITY;

ENTITY Interface_connector_definition
  SUBTYPE OF (Product_view_definition);
  connector_on : Product_view_definition;
  SELF\Product_view_definition.defined_version : Interface_connector_version;
END_ENTITY;

ENTITY Interface_connector_occurrence;
  id : STRING;
  name : STRING;
  description : OPTIONAL STRING;
  occurrence_of : Interface_connector_definition;
  connector_on : connector_on_item;
END_ENTITY;

ENTITY Interface_connector_version
  SUBTYPE OF (Product_version);
  SELF\Product_version.of_product : Interface_connector;
END_ENTITY;

ENTITY Interface_definition_connection;
  id : STRING;
  description : OPTIONAL STRING;
  connection_type : STRING;
  connecting : connection_definition_items;
  connected : connection_definition_items;
END_ENTITY;

ENTITY Interface_definition_for;
  id : STRING;
  name : STRING;
  description : OPTIONAL STRING;
  interface : Interface_specification_definition;
  interface_component : interface_definition_item;
END_ENTITY;

ENTITY Interface_specification
  SUBTYPE OF (Product);
END_ENTITY;

ENTITY Interface_specification_definition
  SUBTYPE OF (Product_view_definition);
  SELF\Product_view_definition.defined_version : Interface_specification_version;
END_ENTITY;

ENTITY Interface_specification_version
  SUBTYPE OF (Product_version);
  SELF\Product_version.of_product : Interface_specification;
END_ENTITY;

ENTITY Item_design_association;
  configuration : Product_configuration;
  design : version_or_definition;
UNIQUE
  UR1: configuration, design;
END_ENTITY;

ENTITY Item_shape;
  id : OPTIONAL STRING;
  description : OPTIONAL STRING;
  described_element : shapeable_item;
END_ENTITY;

ENTITY Item_usage_effectivity;
  effectivity_domain : Effectivity;
  item_usage_relationship : item_usage_relationship_item;
  resolved_configuration : Item_design_association;
END_ENTITY;

ENTITY Language;
  language_code : STRING;
  country_code : OPTIONAL STRING;
UNIQUE
  UR1: language_code;
END_ENTITY;

ENTITY Language_indication;
  considered_instance : string_select;
  considered_attribute : STRING;
  used_language : Language;
END_ENTITY;

ENTITY Length_unit
  SUBTYPE OF (Unit);
END_ENTITY;

ENTITY Local_time;
  hour_component : hour_in_day;
  minute_component : OPTIONAL minute_in_hour;
  second_component : OPTIONAL second_in_minute;
  zone : Time_offset;
END_ENTITY;

ENTITY Location;
  name : STRING;
  description : OPTIONAL STRING;
  alternative_location_representations : SET[0:?] OF Location_representation;
END_ENTITY;

ENTITY Location_assignment;
  description : OPTIONAL STRING;
  role : OPTIONAL STRING;
  entity_for_location : location_assignment_select;
  location_for_assignment : Location;
END_ENTITY;

ENTITY Location_relationship;
  name : STRING;
  description : OPTIONAL STRING;
  relating : Location;
  related : Location;
END_ENTITY;

ENTITY Location_representation
  ABSTRACT SUPERTYPE OF (ONEOF (Address_based_location_representation,
                                Global_location_representation,
                                Organization_based_location_representation,
                                Product_based_location_identification,
                                Regional_grid_location_representation));
END_ENTITY;

ENTITY Lot_effectivity
  SUBTYPE OF (Effectivity);
  lot_id : STRING;
  lot_size : Value_with_unit;
END_ENTITY;

ENTITY Luminous_intensity_unit
  SUBTYPE OF (Unit);
END_ENTITY;

ENTITY Make_from_relationship
  SUBTYPE OF (View_definition_usage);
  SELF\View_definition_relationship.relating_view : Part_view_definition;
  SELF\View_definition_relationship.related_view : Part_view_definition;
  quantity : OPTIONAL Value_with_unit;
  priority : OPTIONAL INTEGER;
WHERE
  WR1: SELF\View_definition_relationship.relating_view :<>: SELF\View_definition_relationship.related_view;
  WR2: NOT (EXISTS(quantity)) XOR ((NOT ('NUMBER' IN TYPEOF(quantity.value_component))) XOR (quantity.value_component > 0));
END_ENTITY;

ENTITY Market;
  name : STRING;
  market_segment_type : OPTIONAL STRING;
END_ENTITY;

ENTITY Mass_unit
  SUBTYPE OF (Unit);
END_ENTITY;

ENTITY Measure_item
  ABSTRACT SUPERTYPE OF (ONEOF (Measure_item_with_precision,
                                Numerical_item_with_global_unit,
                                Numerical_item_with_unit,
                                Value_list,
                                Value_range,
                                Value_range_with_global_unit,
                                Value_set,
                                Value_with_tolerances))
  SUBTYPE OF (Representation_item);
WHERE
  WR1: SIZEOF(USEDIN(SELF, 'SYSTEM_STRUCTURE_ARM_LF.REPRESENTATION.ITEMS')) > 0;
END_ENTITY;

ENTITY Measure_item_with_precision
  SUBTYPE OF (Measure_item);
  significant_digits : INTEGER;
END_ENTITY;

ENTITY Measure_qualification;
  name : STRING;
  description : STRING;
  qualified_measure : Value_with_unit;
  qualifiers : SET[1:?] OF value_qualifier;
WHERE
  WR1: NOT ('SYSTEM_STRUCTURE_ARM_LF.' + 'NUMERICAL_ITEM_WITH_UNIT' IN TYPEOF(qualified_measure));
  WR2: SIZEOF(QUERY(temp <* qualifiers | 'SYSTEM_STRUCTURE_ARM_LF.PRECISION_QUALIFIER' IN TYPEOF(temp))) < 2;
END_ENTITY;

ENTITY Name_assignment;
  name : STRING;
  role : STRING;
  items : assigned_name_select;
END_ENTITY;

ENTITY Next_assembly_usage
  SUBTYPE OF (Assembly_component_relationship);
END_ENTITY;

ENTITY Numerical_document_property
  SUBTYPE OF (Numerical_item_with_unit);
INVERSE
  valued_characteristic : SET[1:1] OF Document_property_representation FOR items;
END_ENTITY;

ENTITY Numerical_item_with_global_unit
  SUBTYPE OF (Measure_item);
  value_component : measure_value;
WHERE
  WR1: SIZEOF(QUERY(pvr <* QUERY(r <* USEDIN(SELF, 'SYSTEM_STRUCTURE_ARM_LF.REPRESENTATION.ITEMS') | 'SYSTEM_STRUCTURE_ARM_LF.PROPERTY_VALUE_REPRESENTATION' IN TYPEOF(r)) | EXISTS(pvr.context_of_items.units))) > 0;
END_ENTITY;

ENTITY Numerical_item_with_unit
  SUBTYPE OF (Measure_item, Value_with_unit);
END_ENTITY;

ENTITY Numerical_representation_context
  SUBTYPE OF (Representation_context);
  units : OPTIONAL SET[1:?] OF Unit;
  accuracies : OPTIONAL SET[1:?] OF Uncertainty_with_unit;
END_ENTITY;

ENTITY Observed_environment
  SUBTYPE OF (Product);
END_ENTITY;

ENTITY Observed_environment_assignment;
  environment : Observed_environment_view;
  item : observed_environment_item;
END_ENTITY;

ENTITY Observed_environment_to_definition;
  defined_environment : Environment_definition;
  observed_environment : Observed_environment;
END_ENTITY;

ENTITY Observed_environment_to_definition_version;
  defined_environment_version : Environment_definition_version;
  observed_environment_version : Observed_environment_version;
END_ENTITY;

ENTITY Observed_environment_to_definition_view;
  defined_environment_view : Observed_environment_view;
  observed_environment_view : Environment_definition_view;
END_ENTITY;

ENTITY Observed_environment_version
  SUBTYPE OF (Product_version);
  of_environment : Observed_environment;
END_ENTITY;

ENTITY Observed_environment_view
  SUBTYPE OF (Product_view_definition);
  observed_environment_version : Observed_environment_version;
END_ENTITY;

ENTITY Observed_environment_view_definition_relationship
  SUBTYPE OF (View_definition_relationship);
  SELF\View_definition_relationship.relating_view : Observed_environment_view;
  SELF\View_definition_relationship.related_view : Observed_environment_view;
DERIVE
  related_environment : Observed_environment_view := SELF\View_definition_relationship.related_view;
  relating_environment : Observed_environment_view := SELF\View_definition_relationship.relating_view;
END_ENTITY;

ENTITY Organization;
  id : OPTIONAL STRING;
  name : STRING;
END_ENTITY;

ENTITY Organization_based_location_representation
  SUBTYPE OF (Location_representation);
  location_identifications : LIST[0:?] OF Organizational_location_identification;
  organization_for_location : Organization;
END_ENTITY;

ENTITY Organization_or_person_in_organization_assignment;
  assigned_entity : organization_or_person_in_organization_select;
  role : STRING;
  items : SET[1:?] OF organization_or_person_in_organization_item;
END_ENTITY;

ENTITY Organization_relationship;
  relation_type : STRING;
  description : OPTIONAL STRING;
  relating_organization : Organization;
  related_organization : Organization;
END_ENTITY;

ENTITY Organizational_location_identification;
  identification_type : STRING;
  location_value : STRING;
END_ENTITY;

ENTITY Part
  SUBTYPE OF (Product);
END_ENTITY;

ENTITY Part_version
  SUBTYPE OF (Product_version);
  SELF\Product_version.of_product : Part;
END_ENTITY;

ENTITY Part_view_definition
  SUBTYPE OF (Product_view_definition);
  SELF\Product_view_definition.defined_version : Part_version;
END_ENTITY;

ENTITY Partial_document_assignment
  SUBTYPE OF (Document_assignment);
  document_portion : STRING;
END_ENTITY;

ENTITY Person;
  last_name : STRING;
  first_name : OPTIONAL STRING;
  middle_names : OPTIONAL LIST[1:?] OF STRING;
  prefix_titles : OPTIONAL LIST[1:?] OF STRING;
  suffix_titles : OPTIONAL LIST[1:?] OF STRING;
END_ENTITY;

ENTITY Person_in_organization;
  concerned_person : Person;
  containing_organization : Organization;
  role : STRING;
END_ENTITY;

ENTITY Physical_breakdown
  SUBTYPE OF (Breakdown);
END_ENTITY;

ENTITY Physical_breakdown_context
  SUBTYPE OF (Breakdown_context);
  SELF\Breakdown_context.breakdown : Physical_breakdown_version;
  SELF\Breakdown_context.breakdown_element : Physical_element_definition;
END_ENTITY;

ENTITY Physical_breakdown_version
  SUBTYPE OF (Breakdown_version);
  SELF\Breakdown_version.of_product : Physical_breakdown;
END_ENTITY;

ENTITY Physical_document_definition
  SUBTYPE OF (Document_definition);
  components : SET[0:?] OF Hardcopy;
END_ENTITY;

ENTITY Physical_element
  SUBTYPE OF (Breakdown_element);
END_ENTITY;

ENTITY Physical_element_definition
  SUBTYPE OF (Breakdown_element_definition);
  SELF\Breakdown_element_definition.defined_version : Physical_element_version;
END_ENTITY;

ENTITY Physical_element_usage
  SUBTYPE OF (Breakdown_element_usage);
  SELF\View_definition_relationship.relating_view : Physical_element_definition;
  SELF\View_definition_relationship.related_view : Physical_element_definition;
END_ENTITY;

ENTITY Physical_element_version
  SUBTYPE OF (Breakdown_element_version);
  SELF\Breakdown_element_version.of_product : Physical_element;
END_ENTITY;

ENTITY Plane_angle_unit
  SUBTYPE OF (Unit);
END_ENTITY;

ENTITY Pre_defined_type_qualifier
  SUBTYPE OF (Type_qualifier);
WHERE
  WR1: SELF\Type_qualifier.name IN pre_defined_type_qualifiers;
END_ENTITY;

ENTITY Precision_qualifier;
  precision_value : INTEGER;
END_ENTITY;

ENTITY Product;
  id : STRING;
  name : STRING;
  description : OPTIONAL STRING;
END_ENTITY;

ENTITY Product_as_individual
  SUBTYPE OF (Product);
END_ENTITY;

ENTITY Product_as_individual_version
  ABSTRACT SUPERTYPE OF (ONEOF (Product_as_planned,
                                Product_as_realized))
  SUBTYPE OF (Product_version);
  SELF\Product_version.of_product : Product_as_individual;
END_ENTITY;

ENTITY Product_as_individual_view
  SUBTYPE OF (Product_view_definition);
  SELF\Product_view_definition.defined_version : Product_as_individual_version;
END_ENTITY;

ENTITY Product_as_planned
  SUBTYPE OF (Product_as_individual_version);
END_ENTITY;

ENTITY Product_as_realized
  SUBTYPE OF (Product_as_individual_version);
END_ENTITY;

ENTITY Product_based_location_identification
  SUBTYPE OF (Location_representation);
  location_identification : STRING;
  location_name : OPTIONAL STRING;
  referenced_product : product_based_location_representation;
END_ENTITY;

ENTITY Product_concept;
  id : STRING;
  name : STRING;
  description : OPTIONAL STRING;
  target_market : OPTIONAL Market;
UNIQUE
  UR1: id;
END_ENTITY;

ENTITY Product_configuration;
  id : STRING;
  name : STRING;
  description : OPTIONAL STRING;
  item_context : Product_concept;
INVERSE
  corresponding_design : SET[0:1] OF Item_design_association FOR configuration;
END_ENTITY;

ENTITY Product_configuration_hierarchical_relationship
  SUBTYPE OF (Product_configuration_relationship);
DERIVE
  child : Product_configuration := SELF\Product_configuration_relationship.related_product_configuration;
  parent : Product_configuration := SELF\Product_configuration_relationship.relating_product_configuration;
END_ENTITY;

ENTITY Product_configuration_relationship
  SUPERTYPE OF (ONEOF (Product_configuration_hierarchical_relationship,
                       Product_configuration_revision_sequence));
  relating_product_configuration : Product_configuration;
  related_product_configuration : Product_configuration;
END_ENTITY;

ENTITY Product_configuration_revision_sequence
  SUBTYPE OF (Product_configuration_relationship);
DERIVE
  predecessor : Product_configuration := SELF\Product_configuration_relationship.relating_product_configuration;
  successor : Product_configuration := SELF\Product_configuration_relationship.related_product_configuration;
END_ENTITY;

ENTITY Product_definition_element_relationship;
  id : STRING;
  name : STRING;
  description : OPTIONAL STRING;
  breakdown : breakdown_item;
  product : product_item;
END_ENTITY;

ENTITY Product_design_to_individual;
  product_design : Product;
  individual_product : Product_as_individual;
END_ENTITY;

ENTITY Product_design_version_to_individual;
  product_design_version : product_version_or_configuration;
  individual_product : Product_as_individual_version;
END_ENTITY;

ENTITY Product_design_view_to_individual;
  product_as_individual_view : Product_as_individual_view;
  product_view_definition : product_design_view_or_configuration;
END_ENTITY;

ENTITY Product_group;
  id : STRING;
  description : OPTIONAL STRING;
  purpose : STRING;
  membership_rule : OPTIONAL STRING;
  product_group_context : OPTIONAL STRING;
END_ENTITY;

ENTITY Product_group_membership;
  member : product_select;
  of_group : Product_group;
END_ENTITY;

ENTITY Product_group_relationship;
  description : OPTIONAL STRING;
  relating : Product_group;
  related : Product_group;
  role : OPTIONAL STRING;
END_ENTITY;

ENTITY Product_occurrence_definition_relationship
  ABSTRACT SUPERTYPE ;
  relating_view : Product_view_definition;
  related_view : Product_view_definition;
END_ENTITY;

ENTITY Product_planned_to_realized;
  planned_product : Product_as_planned;
  realized_product : Product_as_realized;
END_ENTITY;

ENTITY Product_relationship;
  relation_type : STRING;
  description : OPTIONAL STRING;
  relating_product : Product;
  related_product : Product;
END_ENTITY;

ENTITY Product_version;
  id : STRING;
  description : OPTIONAL STRING;
  of_product : Product;
END_ENTITY;

ENTITY Product_version_relationship;
  relation_type : OPTIONAL STRING;
  description : OPTIONAL STRING;
  relating_version : Product_version;
  related_version : Product_version;
WHERE
  WR1: relating_version :<>: related_version;
  WR2: EXISTS(relation_type) OR (TYPEOF(SELF\Product_version_relationship) <> TYPEOF(SELF));
END_ENTITY;

ENTITY Product_view_definition;
  id : OPTIONAL STRING;
  name : OPTIONAL STRING;
  additional_characterization : OPTIONAL STRING;
  initial_context : View_definition_context;
  additional_contexts : SET[0:?] OF View_definition_context;
  defined_version : Product_version;
WHERE
  WR1: NOT (initial_context IN additional_contexts);
  WR2: EXISTS(id) OR (TYPEOF(SELF\Product_view_definition) <> TYPEOF(SELF));
END_ENTITY;

ENTITY Project;
  id : STRING;
  name : STRING;
  description : OPTIONAL STRING;
  responsible_organizations : SET[0:?] OF Organization;
  planned_start_date : OPTIONAL date_or_event;
  planned_end_date : OPTIONAL date_or_event;
  actual_start_date : OPTIONAL date_or_date_time_select;
  actual_end_date : OPTIONAL date_or_date_time_select;
END_ENTITY;

ENTITY Project_assignment;
  assigned_project : Project;
  role : STRING;
  items : SET[1:?] OF project_item;
END_ENTITY;

ENTITY Project_relationship;
  relation_type : STRING;
  description : OPTIONAL STRING;
  relating_project : Project;
  related_project : Project;
END_ENTITY;

ENTITY Promissory_usage
  SUBTYPE OF (Assembly_component_relationship);
END_ENTITY;

ENTITY Property_definition_representation
  ABSTRACT SUPERTYPE ;
  description : OPTIONAL STRING;
  definition : represented_definition;
  rep : Representation;
  role : OPTIONAL STRING;
END_ENTITY;

ENTITY Property_representation
  SUBTYPE OF (Property_definition_representation);
  SELF\Property_definition_representation.definition : Assigned_property;
DERIVE
  property : Assigned_property := SELF\Property_definition_representation.definition;
END_ENTITY;

ENTITY Property_value_representation
  SUBTYPE OF (Representation);
  SELF\Representation.context_of_items : Numerical_representation_context;
END_ENTITY;

ENTITY Qualified_numerical_item_with_unit
  SUBTYPE OF (Numerical_item_with_unit, Qualified_representation_item);
END_ENTITY;

ENTITY Qualified_representation_item
  ABSTRACT SUPERTYPE
  SUBTYPE OF (Representation_item);
  qualifiers : SET[1:?] OF value_qualifier;
WHERE
  WR1: SIZEOF(QUERY(temp <* qualifiers | 'SYSTEM_STRUCTURE_ARM_LF.PRECISION_QUALIFIER' IN TYPEOF(temp))) < 2;
END_ENTITY;

ENTITY Qualitative_uncertainty
  SUBTYPE OF (Uncertainty_qualifier);
  uncertainty_value : STRING;
END_ENTITY;

ENTITY Ratio_unit
  SUBTYPE OF (Unit);
END_ENTITY;

ENTITY Regional_coordinate;
  name : STRING;
  coordinate_value : Value_with_unit;
  grid_system : Regional_grid_location_representation;
END_ENTITY;

ENTITY Regional_grid_location_representation
  SUBTYPE OF (Location_representation);
  name : STRING;
  description : OPTIONAL STRING;
END_ENTITY;

ENTITY Relative_event
  SUBTYPE OF (Event);
  base_event : Event;
  offset : Duration;
END_ENTITY;

ENTITY Representation;
  id : OPTIONAL identifier;
  name : OPTIONAL label;
  description : OPTIONAL text;
  context_of_items : Representation_context;
  items : SET[1:?] OF Representation_item;
WHERE
  WR1: EXISTS(name) OR (TYPEOF(SELF\Representation) <> TYPEOF(SELF));
END_ENTITY;

ENTITY Representation_context;
  id : identifier;
  kind : text;
INVERSE
  representations_in_context : SET[1:?] OF Representation FOR context_of_items;
END_ENTITY;

ENTITY Representation_item
  ABSTRACT SUPERTYPE ;
  name : OPTIONAL label;
END_ENTITY;

ENTITY Representation_relationship;
  relation_type : OPTIONAL label;
  description : OPTIONAL text;
  rep_1 : Representation;
  rep_2 : Representation;
WHERE
  WR1: EXISTS(relation_type) OR (TYPEOF(SELF\Representation_relationship) <> TYPEOF(SELF));
  WR2: EXISTS(description) OR (TYPEOF(SELF\Representation_relationship) <> TYPEOF(SELF));
END_ENTITY;

ENTITY Same_as_external_item;
  external_item_id : STRING;
  description : OPTIONAL STRING;
  role : STRING;
  external_source : External_source;
  items : SET[0:?] OF same_as_item;
END_ENTITY;

ENTITY Security_classification;
  classification_level : STRING;
  description : OPTIONAL STRING;
END_ENTITY;

ENTITY Security_classification_assignment;
  classification : Security_classification;
  items : SET[1:?] OF security_classification_item;
END_ENTITY;

ENTITY Serial_effectivity
  SUBTYPE OF (Effectivity);
  start_id : STRING;
  end_id : OPTIONAL STRING;
END_ENTITY;

ENTITY Shape_dependent_property_representation;
  characteristic_type : STRING;
  description : OPTIONAL STRING;
  described_element : shape_dependent_select;
  property_representation : Representation;
END_ENTITY;

ENTITY Shape_description_association;
  represented_characteristic : shape_select;
  representation : shape_model;
  role : OPTIONAL STRING;
  description : OPTIONAL STRING;
END_ENTITY;

ENTITY Shape_element;
  id : OPTIONAL STRING;
  element_name : OPTIONAL STRING;
  description : OPTIONAL STRING;
  containing_shape : Item_shape;
WHERE
  WR1: EXISTS(element_name) OR (TYPEOF(SELF\Shape_element) <> TYPEOF(SELF));
END_ENTITY;

ENTITY Shape_element_relationship;
  relation_type : OPTIONAL STRING;
  description : OPTIONAL STRING;
  relating : Shape_element;
  related : Shape_element;
WHERE
  WR1: EXISTS(relation_type) OR (TYPEOF(SELF\Shape_element_relationship) <> TYPEOF(SELF));
END_ENTITY;

ENTITY Shape_placement_association
  SUBTYPE OF (Shape_description_association);
  SELF\Shape_description_association.representation : Geometric_placement_model;
  SELF\Shape_description_association.represented_characteristic : Contextual_item_shape;
END_ENTITY;

ENTITY Solid_angle_unit
  SUBTYPE OF (Unit);
END_ENTITY;

ENTITY Standard_uncertainty
  SUPERTYPE OF (Expanded_uncertainty)
  SUBTYPE OF (Uncertainty_qualifier);
  uncertainty_value : REAL;
END_ENTITY;

ENTITY String_representation_item
  SUBTYPE OF (Representation_item);
  string_value : STRING;
END_ENTITY;

ENTITY Supplied_part_relationship
  SUBTYPE OF (Product_version_relationship);
WHERE
  WR1: SELF\Product_version_relationship.relation_type IN ['supplied item', 'supplied document'];
END_ENTITY;

ENTITY System
  SUBTYPE OF (Product);
END_ENTITY;

ENTITY System_breakdown
  SUBTYPE OF (Breakdown);
END_ENTITY;

ENTITY System_breakdown_context
  SUBTYPE OF (Breakdown_context);
  SELF\Breakdown_context.breakdown : System_breakdown_version;
  SELF\Breakdown_context.breakdown_element : System_element_definition;
END_ENTITY;

ENTITY System_breakdown_version
  SUBTYPE OF (Breakdown_version);
  SELF\Breakdown_version.of_product : System_breakdown;
END_ENTITY;

ENTITY System_element
  SUBTYPE OF (Breakdown_element);
END_ENTITY;

ENTITY System_element_definition
  SUBTYPE OF (Breakdown_element_definition);
  SELF\Breakdown_element_definition.defined_version : System_element_version;
END_ENTITY;

ENTITY System_element_usage
  SUBTYPE OF (Breakdown_element_usage);
  SELF\View_definition_relationship.relating_view : System_element_definition;
  SELF\View_definition_relationship.related_view : System_element_definition;
END_ENTITY;

ENTITY System_element_version
  SUBTYPE OF (Breakdown_element_version);
  SELF\Breakdown_element_version.of_product : System_element;
END_ENTITY;

ENTITY System_version
  SUBTYPE OF (Product_version);
  SELF\Product_version.of_product : System;
DERIVE
  of_system : System := SELF\Product_version.of_product;
END_ENTITY;

ENTITY System_version_relationship
  SUBTYPE OF (Product_version_relationship);
  SELF\Product_version_relationship.relating_version : System_version;
  SELF\Product_version_relationship.related_version : System_version;
END_ENTITY;

ENTITY System_version_sequence
  SUBTYPE OF (System_version_relationship);
DERIVE
  predecessor : System_version := SELF\System_version_relationship.relating_version;
  successor : System_version := SELF\System_version_relationship.related_version;
END_ENTITY;

ENTITY System_view_definition
  SUBTYPE OF (Product_view_definition);
  SELF\Product_view_definition.defined_version : System_version;
END_ENTITY;

ENTITY Thermodynamic_temperature_unit
  SUBTYPE OF (Unit);
END_ENTITY;

ENTITY Time_interval;
  id : STRING;
  name : STRING;
  description : OPTIONAL STRING;
END_ENTITY;

ENTITY Time_interval_assignment;
  assigned_time_interval : Time_interval;
  role : Time_interval_role;
  items : SET[1:?] OF time_interval_item;
END_ENTITY;

ENTITY Time_interval_effectivity
  SUBTYPE OF (Effectivity);
  effectivity_period : Time_interval;
END_ENTITY;

ENTITY Time_interval_relationship;
  relation_type : STRING;
  description : STRING;
  relating_time_interval : Time_interval;
  related_time_interval : Time_interval;
END_ENTITY;

ENTITY Time_interval_role;
  name : STRING;
  description : STRING;
END_ENTITY;

ENTITY Time_interval_with_bounds
  SUBTYPE OF (Time_interval);
  primary_bound : OPTIONAL date_or_event;
  secondary_bound : OPTIONAL date_or_event;
  duration_from_primary_bound : OPTIONAL Duration;
WHERE
  WR1: NOT (EXISTS(secondary_bound) AND EXISTS(duration_from_primary_bound));
  WR2: EXISTS(primary_bound) OR EXISTS(secondary_bound);
END_ENTITY;

ENTITY Time_offset;
  hour_offset : INTEGER;
  minute_offset : OPTIONAL INTEGER;
  sense : offset_orientation;
DERIVE
  actual_minute_offset : INTEGER := NVL(minute_offset, 0);
WHERE
  WR1: {0 <= hour_offset < 24};
  WR2: {0 <= actual_minute_offset <= 59};
  WR3: NOT (((hour_offset <> 0) OR (actual_minute_offset <> 0)) AND (sense = exact));
END_ENTITY;

ENTITY Time_unit
  SUBTYPE OF (Unit);
END_ENTITY;

ENTITY Type_qualifier
  ABSTRACT SUPERTYPE OF (Pre_defined_type_qualifier);
  name : STRING;
END_ENTITY;

ENTITY Uncertainty_qualifier
  SUPERTYPE OF (ONEOF (Standard_uncertainty,
                       Qualitative_uncertainty));
  measure_name : STRING;
  description : STRING;
END_ENTITY;

ENTITY Uncertainty_with_unit
  SUBTYPE OF (Value_with_unit);
  name : STRING;
  description : OPTIONAL STRING;
END_ENTITY;

ENTITY Unit
  SUPERTYPE OF (ONEOF (Amount_of_substance_unit,
                       Electric_current_unit,
                       Length_unit,
                       Luminous_intensity_unit,
                       Mass_unit,
                       Plane_angle_unit,
                       Ratio_unit,
                       Solid_angle_unit,
                       Thermodynamic_temperature_unit,
                       Time_unit));
  name : STRING;
  si_unit : BOOLEAN;
END_ENTITY;

ENTITY Value_limit
  SUBTYPE OF (Numerical_item_with_unit, Qualified_representation_item);
  SELF\Qualified_representation_item.qualifiers : SET[1:1] OF Pre_defined_type_qualifier;
WHERE
  WR1: SELF\Qualified_representation_item.qualifiers[1]\Type_qualifier.name IN ['minimum', 'maximum'];
END_ENTITY;

ENTITY Value_list
  SUBTYPE OF (Measure_item);
  values : LIST[1:?] OF Measure_item;
END_ENTITY;

ENTITY Value_range
  SUBTYPE OF (Measure_item);
  lower_limit : Numerical_item_with_unit;
  upper_limit : Numerical_item_with_unit;
END_ENTITY;

ENTITY Value_range_with_global_unit
  SUBTYPE OF (Measure_item);
  lower_limit : Numerical_item_with_global_unit;
  upper_limit : Numerical_item_with_global_unit;
END_ENTITY;

ENTITY Value_set
  SUBTYPE OF (Measure_item);
  values : SET[1:?] OF Measure_item;
END_ENTITY;

ENTITY Value_with_tolerances
  SUBTYPE OF (Measure_item);
  item_value : Numerical_item_with_unit;
  lower_limit : REAL;
  upper_limit : REAL;
END_ENTITY;

ENTITY Value_with_unit;
  unit : Unit;
  value_component : measure_value;
END_ENTITY;

ENTITY View_definition_context;
  application_domain : STRING;
  life_cycle_stage : STRING;
  description : OPTIONAL STRING;
WHERE
  WR1: (SIZEOF(USEDIN(SELF, 'SYSTEM_STRUCTURE_ARM_LF.' + 'PRODUCT_VIEW_DEFINITION.INITIAL_CONTEXT')) > 0) OR (SIZEOF(USEDIN(SELF, 'SYSTEM_STRUCTURE_ARM_LF.' + 'PRODUCT_VIEW_DEFINITION.ADDITIONAL_CONTEXTS')) > 0);
END_ENTITY;

ENTITY View_definition_relationship;
  id : OPTIONAL STRING;
  relation_type : OPTIONAL STRING;
  description : OPTIONAL STRING;
  relating_view : Product_view_definition;
  related_view : Product_view_definition;
END_ENTITY;

ENTITY View_definition_usage
  SUBTYPE OF (View_definition_relationship);
END_ENTITY;

ENTITY Work_order;
  name : STRING;
  description : OPTIONAL STRING;
  in_response_to : SET[0:?] OF Work_request;
END_ENTITY;

ENTITY Work_request;
  request_id : STRING;
  version_id : STRING;
  description : OPTIONAL STRING;
  purpose : STRING;
END_ENTITY;

ENTITY Work_request_status;
  status : STRING;
  work_request : Work_request;
END_ENTITY;

ENTITY Zone_breakdown
  SUBTYPE OF (Breakdown);
END_ENTITY;

ENTITY Zone_breakdown_context
  SUBTYPE OF (Breakdown_context);
  SELF\Breakdown_context.breakdown : Zone_breakdown_version;
  SELF\Breakdown_context.breakdown_element : Zone_element_definition;
END_ENTITY;

ENTITY Zone_breakdown_version
  SUBTYPE OF (Breakdown_version);
  SELF\Breakdown_version.of_product : Zone_breakdown;
END_ENTITY;

ENTITY Zone_element
  SUBTYPE OF (Breakdown_element);
END_ENTITY;

ENTITY Zone_element_definition
  SUBTYPE OF (Breakdown_element_definition);
  SELF\Breakdown_element_definition.defined_version : Zone_element_version;
END_ENTITY;

ENTITY Zone_element_usage
  SUBTYPE OF (Breakdown_element_usage);
  SELF\View_definition_relationship.relating_view : Zone_element_definition;
  SELF\View_definition_relationship.related_view : Zone_element_definition;
END_ENTITY;

ENTITY Zone_element_version
  SUBTYPE OF (Breakdown_element_version);
  SELF\Breakdown_element_version.of_product : Zone_element;
END_ENTITY;

RULE document_definition_constraint FOR
(Product_view_definition);
WHERE
  WR1: SIZEOF(QUERY(dd <* Product_view_definition | (NOT ('SYSTEM_STRUCTURE_ARM_LF.' + 'DOCUMENT_DEFINITION' IN TYPEOF(dd))) AND ('SYSTEM_STRUCTURE_ARM_LF.' + 'DOCUMENT_VERSION' IN TYPEOF(dd.defined_version)))) = 0;
 END_RULE;

RULE document_version_constraint FOR
(Product_version);
WHERE
  WR1: SIZEOF(QUERY(pv <* Product_version | (NOT ('SYSTEM_STRUCTURE_ARM_LF.' + 'DOCUMENT_VERSION' IN TYPEOF(pv))) AND ('SYSTEM_STRUCTURE_ARM_LF.' + 'DOCUMENT' IN TYPEOF(pv.of_product)))) = 0;
 END_RULE;

RULE part_view_definition_constraint FOR
(Product_view_definition);
WHERE
  WR1: SIZEOF(QUERY(pvd <* Product_view_definition | (NOT ('SYSTEM_STRUCTURE_ARM_LF.' + 'PART_VIEW_DEFINITION' IN TYPEOF(pvd))) AND ('SYSTEM_STRUCTURE_ARM_LF.' + 'PART_VERSION' IN TYPEOF(pvd.defined_version)))) = 0;
 END_RULE;

RULE total_over_assembly_component_relationship_constraint FOR
(Assembly_component_relationship);
WHERE
  wr1: SIZEOF(QUERY(p <* Assembly_component_relationship | SIZEOF(['System_structure_arm.COMPONENT_UPPER_LEVEL_IDENTIFICATION'] * TYPEOF(p)) = 0)) = 0;
  wr2: SIZEOF(QUERY(p <* Assembly_component_relationship | SIZEOF(['System_structure_arm.NEXT_ASSEMBLY_USAGE'] * TYPEOF(p)) = 0)) = 0;
  wr3: SIZEOF(QUERY(p <* Assembly_component_relationship | SIZEOF(['System_structure_arm.PROMISSORY_USAGE'] * TYPEOF(p)) = 0)) = 0;
 END_RULE;

FUNCTION acyclic_representation_relationship
 (relation : Representation_relationship; relatives : SET[1:?] OF Representation; specific_relation : STRING) : BOOLEAN; 
      LOCAL
        x : SET OF Representation_relationship;
      END_LOCAL;

      IF relation.rep_1 IN relatives THEN
        RETURN (FALSE);
      END_IF;
      x := QUERY(r <* bag_to_set(USEDIN(relation.rep_1, 'SYSTEM_STRUCTURE_ARM_LF.' + 'REPRESENTATION_RELATIONSHIP.' + 'REP_2')) | specific_relation IN TYPEOF(r));
      REPEAT i := 1 TO HIINDEX(x);
        IF NOT acyclic_representation_relationship(x[i], relatives + relation.rep_1, specific_relation) THEN
          RETURN (FALSE);
        END_IF;
      END_REPEAT;
      RETURN (TRUE);
END_FUNCTION;

FUNCTION bag_to_set
 (the_bag : BAG[0:?] OF GENERIC : intype) : SET[0:?] OF GENERIC : intype; 
      LOCAL
        the_set : SET OF GENERIC:intype := [];
        i : INTEGER;
      END_LOCAL;

      IF SIZEOF(the_bag) > 0 THEN
        REPEAT i := 1 TO HIINDEX(the_bag);
          the_set := the_set + the_bag[i];
        END_REPEAT;
      END_IF;
      RETURN (the_set);
END_FUNCTION;

FUNCTION spa_get_definition
 (input : Contextual_item_shape) : Product_view_definition; 
      IF ('SYSTEM_STRUCTURE_ARM_LF.VIEW_DEFINITION_USAGE' IN TYPEOF(input\Item_shape.described_element)) THEN
        RETURN (input\Item_shape.described_element\View_definition_relationship.related_view);
      END_IF;
      IF ('SYSTEM_STRUCTURE_ARM_LF.PRODUCT_OCCURRENCE_DEFINITION_RELATIONSHIP' IN TYPEOF(input\Item_shape.described_element)) THEN
        RETURN (input\Item_shape.described_element\Product_occurrence_definition_relationship.related_view);
      END_IF;
      RETURN (?);
END_FUNCTION;

END_SCHEMA;  -- System_structure_arm_LF


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