UML Especificacion De La OMG

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 ................................................................................ 3

2.4 Compliance Level Contents ............................................................................................ 5

3 Normative References .............................................................................. 5

4 Terms and Definitions ............................................................................... 5

5 Symbols ..................................................................................................... 6

6 Additional Information .............................................................................. 6

6.1 Architectural Alignment and MDA Support ..................................................................... 6

6.2 How to Read this Specification ....................................................................................... 6

6.2.1 Diagram format .................................................................................................................... 6

6.3 Acknowledgements ......................................................................................................... 7

Part I - Introduction......................................................................................... 9

7 Language Architecture ........................................................................... 11

7.1 Design Principles .......................................................................................................... 11

7.2 Infrastructure Architecture ............................................................................................. 11

7.3 Core .............................................................................................................................. 12

7.4 Profiles .......................................................................................................................... 13

7.5 Architectural Alignment between UML and MOF .......................................................... 14

7.6 Superstructure Architecture .......................................................................................... 14

7.7 Reusing Infrastructure ................................................................................................... 15

7.8 The Kernel Package ..................................................................................................... 16

7.9 Metamodel Layering ..................................................................................................... 16

7.10 The Four-layer Metamodel Hierarchy ......................................................................... 16

7.11 Metamodeling ............................................................................................................. 17

7.12 An Example of the Four-level Metamodel Hierarchy .................................................. 18

8 Language Formalism .............................................................................. 21

8.1 Levels of Formalism ...................................................................................................... 21

8.2 Package Specification Structure ................................................................................... 22

8.2.1 Class Descriptions ............................................................................................................. 22

8.2.2 Diagrams ............................................................................................................................ 22

8.2.3 Instance Model ................................................................................................................... 22

ii UML Infrastructure Specification, v2.2

8.3 Class Specification Structure ........................................................................................ 22

8.3.1 Description ......................................................................................................................... 23

8.3.2 Attributes ............................................................................................................................ 23

8.3.3 Associations ....................................................................................................................... 23

8.3.4 Constraints ......................................................................................................................... 23

8.3.5 Additional Operations (optional) ......................................................................................... 23

8.3.6 Semantics .......................................................................................................................... 23

8.3.7 Semantic Variation Points (optional) .................................................................................. 23

8.3.8

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