ISO/IEC 19505-2:2012

Information technology — Object Management Group Unified Modeling Language (OMG UML) — Part 2: Superstructure

ISO/IEC 19505-2:2012 defines the Unified Modeling Language (UML), revision 2. The objective of UML is to provide system architects, software engineers, and software developers with tools for analysis, design, and implementation of software-based systems as well as for modeling business and similar processes.

Technologies de l'information — Langage de modélisation unifié OMG (OMG UML) — Partie 2: Superstructure

General Information

• Status: Published
• Publication Date: 19-Apr-2012
• ICS: 35.060 - Languages used in information technology
• Technical Committee: ISO/IEC JTC 1 - Information technology
• Drafting Committee: ISO/IEC JTC 1 - Information technology
• Current Stage: 9093 - International Standard confirmed
• Start Date: 10-May-2025
• Completion Date: 17-May-2025

Standards Content (Sample)

INTERNATIONAL ISO/IEC
STANDARD 19505-2
First edition
2012-04-15
Information technology — Object
Management Group Unified Modeling
Language (OMG UML) —
Part 2:
Superstructure
Technologies de l'information — Langage de modélisation unifié OMG
(OMG UML) —
Partie 2: Superstructure
Reference number
©
ISO/IEC 2012
©  ISO/IEC 2012
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means,
electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or
ISO's member body in the country of the requester.
ISO copyright office
Case postale 56  CH-1211 Geneva 20
Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
E-mail [e-mail]
Web www.iso.org
Published in Switzerland
ii © ISO/IEC 2012 – All rights reserved

Table of Contents
1. Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2. Conformance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2.1 Language Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
2.2 Compliance Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
2.3 Meaning and Types of Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
2.4 Compliance Level Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
3. Normative References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4. Terms and Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
5. Notational Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
5.1 Keywords for Requirement Statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
5.2 Annotations on Example Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
6. Additional Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
6.1 Architectural Alignment and MDA Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
6.2 On the Run-Time Semantics of UML . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
6.2.1 The Basic Premises . 11
6.2.2 The Semantics Architecture . 11
6.2.3 The Basic Causality Model . 12
6.2.4 Semantics Descriptions in the Specification . 13
6.3 The UML Metamodel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
6.3.1 Models and What They Model . 14
6.3.2 Semantic Levels and Naming . 14
6.4 How to Read this Proceed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
6.4.1 Specification format . 15
6.4.2 Diagram format . 18
6.4.3 Contents of Subparts . 19
Subpart I - Supplement . 23
7. Classes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
7.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
© ISO/IEC 2012 - All rights reserved    iii

7.2 Abstract Syntax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
7.3 Class Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
7.3.1 Abstraction (from Dependencies) . 39
7.3.2 AggregationKind (from Kernel) . 39
7.3.3 Association (from Kernel) . 40
7.3.4 AssociationClass (from AssociationClasses) . 48
7.3.5 BehavioralFeature (from Kernel) . 51
7.3.6 BehavioredClassifier (from Interfaces) . 52
7.3.7 Class (from Kernel) . 52
7.3.8 Classifier (from Kernel, Dependencies, PowerTypes, Interfaces) . 55
7.3.9 Comment (from Kernel) . 60
7.3.10 Constraint (from Kernel) . 61
7.3.11 DataType (from Kernel) . 64
7.3.12 Dependency (from Dependencies) . 65
7.3.13 DirectedRelationship (from Kernel) . 67
7.3.14 Element (from Kernel) . 68
7.3.15 ElementImport (from Kernel) . 69
7.3.16 Enumeration (from Kernel) .71
7.3.17 EnumerationLiteral (from Kernel) . 72
7.3.18 Expression (from Kernel) . 73
7.3.19 Feature (from Kernel) . 74
7.3.20 Generalization (from Kernel, PowerTypes) . 75
7.3.21 GeneralizationSet (from PowerTypes) . 79
7.3.22 InstanceSpecification (from Kernel) . 87
7.3.23 InstanceValue (from Kernel) .90
7.3.24 Interface (from Interfaces) . 91
7.3.25 InterfaceRealization (from Interfaces) . 94
7.3.26 LiteralBoolean (from Kernel) . 94
7.3.27 LiteralInteger (from Kernel) . 95
7.3.28 LiteralNull (from Kernel) . 96
7.3.29 LiteralReal . 97
7.3.30 LiteralSpecification (from Kernel) .98
7.3.31 LiteralString (from Kernel) . 99
7.3.32 LiteralUnlimitedNatural (from Kernel) . 99
7.3.33 MultiplicityElement (from Kernel) . 100
7.3.34 NamedElement (from Kernel, Dependencies) . 104
7.3.35 Namespace (from Kernel) . 105
7.3.36 OpaqueExpression (from Kernel) . 108
7.3.37 Operation (from Kernel, Interfaces) . 109
7.3.38 Package (from Kernel) . 113
7.3.39 PackageableElement (from Kernel) . 116
7.3.40 PackageImport (from Kernel) . 117
7.3.41 PackageMerge (from Kernel) . 118
7.3.42 Parameter (from Kernel) . 127
7.3.43 ParameterDirectionKind (from Kernel) . 129
7.3.44 PrimitiveType (from Kernel) . 129
7.3.45 Property (from Kernel, AssociationClasses, Interfaces) . 130
7.3.46 Realization (from Dependencies) . 136
7.3.47 RedefinableElement (from Kernel) . 137
7.3.48 Relationship (from Kernel) . 139
iv © ISO/IEC 2012 - All rights reserved

7.3.49 Slot (from Kernel) . 140
7.3.50 StructuralFeature (from Kernel) . 140
7.3.51 Substitution (from Dependencies) . 141
7.3.52 Type (from Kernel) . 142
7.3.53 TypedElement (from Kernel) . 143
7.3.54 Usage (from Dependencies) . 144
7.3.55 ValueSpecification (from Kernel) . 145
7.3.56 VisibilityKind (from Kernel) . 146
7.4 Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .147
8. Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
8.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .151
8.2 Abstract Syntax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .151
8.3 Class Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .155
8.3.1 Component (from BasicComponents, PackagingComponents) . 155
8.3.2 ComponentRealization (from BasicComponents) . 164
8.3.3 ConnectableElement (from BasicComponents) . 165
8.3.4 Connector (from BasicComponents) . 165
8.3.5 ConnectorEnd (from BasicComponents) . 169
8.3.6 ConnectorKind (from BasicComponents) . 169
8.4 Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .170
9. Composite Structures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
9.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .173
9.2 Abstract Syntax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .173
9.3 Class Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .178
9.3.1 Class (from StructuredClasses, InternalStructures) . 178
9.3.2 Classifier (from InternalStructures, Collaborations) . 179
9.3.3 Collaboration (from Collaborations) . 180
9.3.4 CollaborationUse (from Collaborations) . 183
9.3.5 ConnectableElement (from InternalStructures) . 186
9.3.6 Connector (from InternalStructures) . 186
9.3.7 ConnectorEnd (from InternalStructures, Ports) .
...

INTERNATIONAL ISO/IEC
STANDARD 19505-2
First edition
2012-04-15
Information technology — Object
Management Group Unified Modeling
Language (OMG UML) —
Part 2:
Superstructure
Technologies de l'information — Langage de modélisation unifié OMG
(OMG UML) —
Partie 2: Superstructure
Reference number
©
ISO/IEC 2012
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Published in Switzerland
ii © ISO/IEC 2012 – All rights reserved

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