BS-ISO-IEC-24744-2007.pdf
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1、BRITISH STANDARD BS ISO/IEC 24744:2007 Software Engineering Metamodel for Development Methodologies ICS 35.080 ? Licensed Copy: London South Bank University, London South Bank University, Sat Mar 17 03:57:26 GMT+00:00 2007, Uncontrolled Copy, (c) BSI BS ISO/IEC 24744:2007 This British Standard was p
2、ublished under the authority of the Standards Policy and Strategy Committee on 30 March 2007 BSI 2007 ISBN 978 0 580 50350 4 National foreword This British Standard was published by BSI. It is the UK implementation of ISO/IEC 24744:2007. The UK participation in its preparation was entrusted to Techn
3、ical Committee IST/15, Software and systems engineering. A list of organizations represented on IST/15 can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance w
4、ith a British Standard cannot confer immunity from legal obligations. Amendments issued since publication Amd. No. DateComments Licensed Copy: London South Bank University, London South Bank University, Sat Mar 17 03:57:26 GMT+00:00 2007, Uncontrolled Copy, (c) BSI Reference number ISO/IEC 24744:200
5、7(E) INTERNATIONAL STANDARD ISO/IEC 24744 First edition 2007-02-15 Software Engineering Metamodel for Development Methodologies Ingnierie du logiciel Mtamodle pour les mthodologies de dveloppement BS ISO/IEC 24744:2007 Licensed Copy: London South Bank University, London South Bank University, Sat Ma
6、r 17 03:57:26 GMT+00:00 2007, Uncontrolled Copy, (c) BSI ii Licensed Copy: London South Bank University, London South Bank University, Sat Mar 17 03:57:26 GMT+00:00 2007, Uncontrolled Copy, (c) BSI iii Contents Page 1 Scope 1 1.1 Purpose. 1 1.2 Audience. 1 2 Conformance . 2 3 Terms and definitions 2
7、 4 Naming, diagramming and definition conventions, and abbreviated terms . 4 4.1 Naming, diagramming and definition conventions. 4 4.2 Abbreviations 5 5 Basic Concepts . 5 5.1 Method Engineering . 6 5.2 Dual-Layer Modelling . 6 5.3 Powertypes and Clabjects. 6 5.4 Uniting Process and Product 7 5.5 Pr
8、ocess Assessment 7 6 Introduction to the SEMDM. 8 6.1 Highly Abstract View 8 6.2 Abstract View and Core Classes 8 6.3 Process Classes 9 6.4 Producer Classes11 6.5 Product Classes12 6.6 Connection between Process and Product13 6.7 Support Classes14 7 Metamodel Elements15 7.1 Classes .15 7.2 Enumerate
9、d Types 63 8 Using the Metamodel . 64 8.1 Usage Rules. 64 8.2 Usage Guidelines 65 9 Extending the Metamodel 66 9.1 Extension Rules 66 9.2 Extension Guidelines.67 Annex A (informative) Worked Example .68 Annex B (informative) Mappings to Other Metamodelling Approaches74 Bibliography78 BS ISO/IEC 2474
10、4:2007 Licensed Copy: London South Bank University, London South Bank University, Sat Mar 17 03:57:26 GMT+00:00 2007, Uncontrolled Copy, (c) BSI iv Table of Figures Figure 1 The three areas of expertise, or domains, which act as a context for SEMDM.5 Figure 2 Highly abstract view of the SEMDM8 Figur
11、e 3 Abstract view of the SEMDM, showing the core classes in the metamodel.9 Figure 4 Work units .10 Figure 5 Stages .11 Figure 6 Producers12 Figure 7 Work product and modelling classes 13 Figure 8 Actions and constraints14 Figure 9 Support classes 14 BS ISO/IEC 24744:2007 Licensed Copy: London South
12、 Bank University, London South Bank University, Sat Mar 17 03:57:26 GMT+00:00 2007, Uncontrolled Copy, (c) BSI v Foreword ISO (the International Organization for Standardization) and IEC (the International Electrotechnical Commission) form the specialized system for worldwide standardization. Nation
13、al bodies that are members of ISO or IEC participate in the development of International Standards through technical committees established by the respective organization to deal with particular fields of technical activity. ISO and IEC technical committees collaborate in fields of mutual interest.
14、Other international organizations, governmental and non-governmental, in liaison with ISO and IEC, also take part in the work. In the field of information technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1. International Standards are drafted in accordance with the r
15、ules given in the ISO/IEC Directives, Part 2. The main task of the joint technical committee is to prepare International Standards. Draft International Standards adopted by the joint technical committee are circulated to national bodies for voting. Publication as an International Standard requires a
16、pproval by at least 75 % of the national bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent rights. ISO/IEC 24744 was prepared by
17、 Joint Technical Committee ISO/IEC JTC 1, Information technology, Subcommittee SC 7, Software and systems engineering. BS ISO/IEC 24744:2007 Licensed Copy: London South Bank University, London South Bank University, Sat Mar 17 03:57:26 GMT+00:00 2007, Uncontrolled Copy, (c) BSI vi Introduction Devel
18、opment methodologies may be described in the context of an underpinning metamodel, but the precise mechanisms that permit them to be defined in terms of their metamodels are usually difficult to explain and do not cover all needs. For example, it is difficult to devise a practice that allows the def
19、inition of properties of the elements that compose the methodology and, at the same time, of the entities (such as work products) created when the methodology is applied. This International Standard introduces the Software Engineering Metamodel for Development Methodologies SEMDM, a comprehensive me
20、tamodel that makes use of a new approach to defining methodologies based on the concept of powertype. The SEMDM is aimed at the definition of methodologies in information-based domains, i.e. areas characterized by their intensive reliance on information management and processing, such as software, b
21、usiness or systems engineering. The SEMDM combines key advantages of other metamodelling approaches with none of their known drawbacks, allowing the seamless integration of process, modelling and people aspects of methodologies. Refer to Annex B where other metamodels are mapped to SEMDM and a brief
22、 synopsis of problems is provided. Various methodologies are defined, used or implied by a growing number of standards and it is desirable that the concepts used by each methodology be harmonized. A vehicle for harmonization is the SEMDM. Conformance to this metamodel will ensure a consistent approa
23、ch to defining each methodology with consistent concepts and terminology. BS ISO/IEC 24744:2007 Licensed Copy: London South Bank University, London South Bank University, Sat Mar 17 03:57:26 GMT+00:00 2007, Uncontrolled Copy, (c) BSI 1 1 Scope This International Standard defines the Software Enginee
24、ring Metamodel for Development Methodologies (SEMDM), which establishes a formal framework for the definition and extension of development methodologies for information-based domains (IBD), such as software, business or systems, including three major aspects: the process to follow, the work products
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