ISO/TR TECHNICAL REPORT 19669 Firstedition 2017-10 Health informatics Re-usable component strategy for use case development Informatique de santé-Strategie de composants réutilisables pour le développement de cas pratiques Reference number ISO/TR 19669:2017(E) ISO @ IS0 2017 IS0/TR 19669:2017(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2017,Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. IsOcopyrightoffice Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org ii @ IS0 2017 - All rights reserved IS0/TR 19669:2017(E) Contents Page Foreword ..V Introduction. ...vi 1 Scope 2 Normative references 3 Terms and definitions 4 Symbols and abbreviated terms. 5 Objectives for the re-usable component strategy ..4 6 Use case basics ..4 6.1 General ..4 6.2 Use case scenarios, events and actions. ..4 6.3 Use case actors ..4 7 Use case component candidates ..4 7.1 General .4 7.2 Identify-ability .5 7.3 Catalogue-ability .5 7.4 Commonality .5 7.5 Computability .5 8 Use case components .5 8.1 General .5 8.2 .5 Requirements. 8.3 Actors and roles .6 8.4 Scenarios, events and actions. ..6 8.5 Data objects and elements. .6 9 Use case scenarios .1 9.1 General 9.2 Events and event steps .7 9.3 Actors and roles .7 9.4 Actionstaken ..7 9.5 Inputs and outputs .7 10 Use case requirements template 1 10.1 Preface and introduction. 10.2 Initiative overview. .8 10.2.1 General. 10.2.2 Initiative challenge statement .8 10.3 Use case scope. ..8 10.3.1 General .8 10.3.2 Background. .8 10.3.3 Inscope 10.3.4 Outofscope .8 10.3.5 Stakeholders .8 10.4 Value statement .9 10.5 Use case assumptions 10.6 Pre-conditions .9 10.7 Post-conditions. .9 10.8 Actors and roles .9 10.9 Use case diagram .10 10.10 Use case scenario(s) .10 10.11 Userstory .11 10.12 Activity diagram .11 10.13 Flow. .11 @ IS0 2017 - All rights reserved iii