{"id":10133,"date":"2022-01-26T01:33:49","date_gmt":"2022-01-26T01:33:49","guid":{"rendered":"https:\/\/www.cybermedian.com\/fr\/?p=10133"},"modified":"2026-04-20T09:13:19","modified_gmt":"2026-04-20T09:13:19","slug":"comment-identifier-les-cas-dutilisation-dans-la-modelisation-uml","status":"publish","type":"post","link":"https:\/\/www.cybermedian.com\/fr\/how-to-identify-use-cases-in-uml-modeling\/","title":{"rendered":"Comment identifier les cas d&#8217;utilisation dans la mod\u00e9lisation UML"},"content":{"rendered":"<section class=\"section section--body section--first\">\n<div class=\"section-content\">\n<div class=\"section-inner sectionLayout--insetColumn\">\n<h4><span id=\"A_use_case_approach_is_a_kind_of_technique_for_identifying_the_business_goals_of_a_system_The_identification_of_use_cases_helps_define_system_scope_ensuring_that_the_requirements_to_be_found_will_all_be_aligned_with_the_business_values_needs_and_strategy\">Une approche de cas d&#8217;utilisation est une sorte de technique permettant d&#8217;identifier les objectifs commerciaux d&#8217;un syst\u00e8me.\u00a0L&#8217;identification des cas d&#8217;utilisation aide \u00e0 d\u00e9finir la port\u00e9e du syst\u00e8me, garantissant que les exigences \u00e0 trouver seront toutes align\u00e9es sur les valeurs, les besoins et la strat\u00e9gie de l&#8217;entreprise.<\/span><\/h4>\n<h4 id=\"9130\" class=\"graf graf--h4 graf-after--h3 graf--subtitle\"><span id=\"What_are_Actors_in_Use_Case_Analysis\">Que sont les acteurs de l&#8217;analyse de cas d&#8217;utilisation\u00a0?<\/span><\/h4>\n<p id=\"9bb7\" class=\"graf graf--p graf-after--h4\">Un acteur sp\u00e9cifie le r\u00f4le jou\u00e9 par l&#8217;utilisateur ou tout autre syst\u00e8me qui interagit avec le syst\u00e8me en cours de d\u00e9veloppement.\u00a0Il peut repr\u00e9senter le r\u00f4le jou\u00e9 par les utilisateurs humains, le mat\u00e9riel externe ou d&#8217;autres principaux.\u00a0Les acteurs sont toujours en dehors du syst\u00e8me, interagissant directement avec les cas d&#8217;utilisation en les initiant, en leur fournissant des entr\u00e9es et\/ou en recevant des sorties d&#8217;eux.\u00a0Alors qu&#8217;une seule instance physique peut jouer le r\u00f4le de plusieurs acteurs diff\u00e9rents, les acteurs ne repr\u00e9sentent pas n\u00e9cessairement une entit\u00e9 physique sp\u00e9cifique, c&#8217;est-\u00e0-dire le temporisateur qui d\u00e9clenche l&#8217;envoi d&#8217;alertes par e-mail.<\/p>\n<p id=\"7177\" class=\"graf graf--p graf-after--p\">Identification des cas d&#8217;utilisation \u2014 Caract\u00e9ristiques de l&#8217;acteur dans l&#8217;analyse des cas d&#8217;utilisation \u00c9num\u00e9rez<br \/>\nsimplement les perceptions des membres de l&#8217;\u00e9quipe sur les parties prenantes ou les utilisateurs cibl\u00e9s, et il est plus facile d&#8217;atteindre un consensus lors de la discussion.<\/p>\n<ol class=\"postList\">\n<li id=\"af9b\" class=\"graf graf--li graf-after--p\">Les acteurs sont situ\u00e9s \u00e0 l&#8217;ext\u00e9rieur du syst\u00e8me, il n&#8217;appartient pas \u00e0 une certaine partie du syst\u00e8me, donc nous n&#8217;avons pas besoin de \u00ab construire \u00bb les \u00ab acteurs \u00bb ;<\/li>\n<li id=\"5c69\" class=\"graf graf--li graf-after--li\">Seuls ceux qui peuvent utiliser le syst\u00e8me, interagir avec le syst\u00e8me et \u00e9changer des informations avec le syst\u00e8me sont les acteurs du syst\u00e8me ;<\/li>\n<li id=\"83da\" class=\"graf graf--li graf-after--li\">Les acteurs commenceront et participeront \u00e0 des cas d&#8217;utilisation, donc trouver des acteurs peut nous guider pour trouver des cas d&#8217;utilisation\u00a0;<\/li>\n<li id=\"d682\" class=\"graf graf--li graf-after--li\">Bien que nous n&#8217;ayons pas besoin de \u00ab d\u00e9velopper des acteurs \u00bb, nous devons consid\u00e9rer les interfaces.\u00a0Le syst\u00e8me doit tenir compte de l&#8217;interface que les acteurs doivent utiliser (exp\u00e9rience utilisateur \/ GUI), ou le syst\u00e8me doit obtenir des donn\u00e9es via l&#8217;interface fournie par les acteurs.<\/li>\n<\/ol>\n<h4 id=\"fbe7\" class=\"graf graf--h4 graf-after--li\"><span id=\"Who_are_the_actors_Ask_the_following_questions\">Qui sont les acteurs ?\u00a0Posez les questions suivantes\u00a0:<\/span><\/h4>\n<ol class=\"postList\">\n<li id=\"07d9\" class=\"graf graf--li graf-after--h4\">Qui utilisera ce syst\u00e8me ?<\/li>\n<li id=\"14b1\" class=\"graf graf--li graf-after--li\">Qui installera ce syst\u00e8me ?<\/li>\n<li id=\"bb84\" class=\"graf graf--li graf-after--li\">Qui va lancer ce syst\u00e8me ?<\/li>\n<li id=\"7205\" class=\"graf graf--li graf-after--li\">Qui maintiendra ce syst\u00e8me ?<\/li>\n<li id=\"4d47\" class=\"graf graf--li graf-after--li\">Qui va fermer ce syst\u00e8me ?<\/li>\n<li id=\"0d01\" class=\"graf graf--li graf-after--li\">Quels autres syst\u00e8mes utiliseront ce syst\u00e8me\u00a0?<\/li>\n<li id=\"5a36\" class=\"graf graf--li graf-after--li\">Qui obtiendra des informations de ce syst\u00e8me ?<\/li>\n<li id=\"4e19\" class=\"graf graf--li graf-after--li\">Qui fournira des informations \u00e0 ce syst\u00e8me ?<\/li>\n<li id=\"3891\" class=\"graf graf--li graf-after--li\">Lorsque l&#8217;heure pr\u00e9d\u00e9finie arrivera, quelque chose se passera-t-il automatiquement\u00a0?<\/li>\n<li id=\"0817\" class=\"graf graf--li graf-after--li\">Quels syst\u00e8mes seront mis en r\u00e9seau avec ce syst\u00e8me\u00a0?<\/li>\n<li id=\"3c01\" class=\"graf graf--li graf-after--li\">Des p\u00e9riph\u00e9riques mat\u00e9riels sont-ils connect\u00e9s \u00e0 ce syst\u00e8me\u00a0?<\/li>\n<li id=\"c06b\" class=\"graf graf--li graf-after--li\">Quelles bases de donn\u00e9es seront mises en r\u00e9seau avec ce syst\u00e8me\u00a0?<\/li>\n<li id=\"e648\" class=\"graf graf--li graf-after--li\">Qui dans l&#8217;entreprise utilisera ce syst\u00e8me\u00a0?\\<\/li>\n<li id=\"f0a8\" class=\"graf graf--li graf-after--li\">Qui utilisera ce syst\u00e8me en dehors de l&#8217;entreprise ?<\/li>\n<li id=\"5b61\" class=\"graf graf--li graf-after--li\">Lorsqu&#8217;un moment ou un \u00e9v\u00e9nement sp\u00e9cifique se produit, ce syst\u00e8me doit-il notifier automatiquement qui ou d&#8217;autres syst\u00e8mes\u00a0?<\/li>\n<\/ol>\n<h3 id=\"11f9\" class=\"graf graf--h3 graf-after--li\"><span id=\"Types_of_Actor\">Types d&#8217;acteur<\/span><\/h3>\n<p id=\"436c\" class=\"graf graf--p graf-after--h3\">De nombreux analystes ignorent les acteurs cl\u00e9s dans le processus de dessin du diagramme de cas d&#8217;utilisation car ils n&#8217;identifient que les acteurs humains.\u00a0La classification des acteurs de cas d&#8217;utilisation de cette mani\u00e8re aide les analystes \u00e0 s&#8217;assurer qu&#8217;ils n&#8217;ignorent aucun acteur cl\u00e9 dans le diagramme de cas d&#8217;utilisation.<\/p>\n<p id=\"09f7\" class=\"graf graf--p graf-after--p\">Il existe une autre fa\u00e7on de classer les participants.\u00a0Ils peuvent \u00eatre:<\/p>\n<ul class=\"postList\">\n<li id=\"cdf9\" class=\"graf graf--li graf-after--p\">\u00eatres humains<\/li>\n<li id=\"9f74\" class=\"graf graf--li graf-after--li\">Logiciel syst\u00e8me<\/li>\n<li id=\"384f\" class=\"graf graf--li graf-after--li\">Mat\u00e9riel<\/li>\n<li id=\"97f0\" class=\"graf graf--li graf-after--li\">Minuterie \/ horloge<\/li>\n<\/ul>\n<figure id=\"2a1b\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/01\/0KDCqKOZYeZbtHE56.png\" data-image-id=\"0*KDCqKOZYeZbtHE56.png\" data-width=\"300\" data-height=\"190\" \/><\/figure>\n<h4 id=\"f411\" class=\"graf graf--h4 graf-after--figure\"><span id=\"A_List_of_Question_for_Identifying_Use_Cases\">Une liste de questions pour identifier les cas d&#8217;utilisation<\/span><\/h4>\n<ol class=\"postList\">\n<li id=\"a79c\" class=\"graf graf--li graf-after--h4\">Quel type de fonctions les participants attendent-ils de ce syst\u00e8me\u00a0?<\/li>\n<li id=\"8c60\" class=\"graf graf--li graf-after--li\">Ce syst\u00e8me stocke-t-il des informations\u00a0?\u00a0Quels participants cr\u00e9eront, liront, mettront \u00e0 jour et supprimeront ces informations\u00a0?<\/li>\n<li id=\"d50f\" class=\"graf graf--li graf-after--li\">Le syst\u00e8me doit-il informer les participants lorsque l&#8217;\u00e9tat interne du syst\u00e8me change\u00a0?<\/li>\n<li id=\"5f9e\" class=\"graf graf--li graf-after--li\">Y a-t-il des \u00e9v\u00e9nements externes que le syst\u00e8me doit conna\u00eetre\u00a0?\u00a0Lorsque cet \u00e9v\u00e9nement externe se produit, quel acteur notifiera le syst\u00e8me ?<\/li>\n<li id=\"3968\" class=\"graf graf--li graf-after--li\">Ce syst\u00e8me doit-il effectuer des op\u00e9rations de mani\u00e8re r\u00e9guli\u00e8re\u00a0?<\/li>\n<li id=\"62e1\" class=\"graf graf--li graf-after--li\">Lorsque certains \u00e9v\u00e9nements externes importants se produisent, le syst\u00e8me doit-il effectuer automatiquement certaines op\u00e9rations\u00a0?<\/li>\n<li id=\"150c\" class=\"graf graf--li graf-after--li\">Le nom de ce cas d&#8217;utilisation est-il suffisamment clair\u00a0?\u00a0Le r\u00e9sultat de ce cas d&#8217;utilisation peut-il \u00eatre jug\u00e9 directement \u00e0 partir du nom de ce cas d&#8217;utilisation\u00a0?<\/li>\n<li id=\"d07a\" class=\"graf graf--li graf-after--li graf--trailing\">Ce cas d&#8217;utilisation aura-t-il plusieurs r\u00e9sultats\u00a0?\u00a0Ou ces r\u00e9sultats sont-ils produits \u00e0 des moments diff\u00e9rents\u00a0?<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"section section--body section--last\">\n<div class=\"section-divider\">\n<hr class=\"section-divider\" \/>\n<\/div>\n<div class=\"section-content\">\n<div class=\"section-inner sectionLayout--insetColumn\">\n<ul class=\"postList\">\n<li id=\"6a15\" class=\"graf graf--li graf--leading\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/how-to-identify-actors\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/how-to-identify-actors\/\">Comment identifier les acteurs ?<\/a><\/li>\n<li id=\"ee36\" class=\"graf graf--li graf-after--li\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/types-of-actor-in-use-case-model\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/types-of-actor-in-use-case-model\/\">Types d&#8217;acteurs dans le mod\u00e8le de cas d&#8217;utilisation<\/a><\/li>\n<li id=\"835a\" class=\"graf graf--li graf-after--li\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/www.visual-paradigm.com\/guide\/sysml\/identify-user-requirements-with-use-case-diagrams\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/sysml\/identify-user-requirements-with-use-case-diagrams\/\">Identifier les besoins des utilisateurs avec des diagrammes de cas d&#8217;utilisation<\/a><\/li>\n<li id=\"565d\" class=\"graf graf--li graf-after--li\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/www.visual-paradigm.com\/guide\/agile-software-development\/user-story-vs-use-case\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/agile-software-development\/user-story-vs-use-case\/\">User Story vs cas d&#8217;utilisation pour le d\u00e9veloppement logiciel agile<\/a><\/li>\n<li id=\"ec41\" class=\"graf graf--li graf-after--li\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/www.visual-paradigm.com\/guide\/agile-software-development\/what-is-use-case-driven-approach-for-agile\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/agile-software-development\/what-is-use-case-driven-approach-for-agile\/\">Utiliser une approche bas\u00e9e sur des cas pour le d\u00e9veloppement agile<\/a><\/li>\n<li id=\"459c\" class=\"graf graf--li graf-after--li\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/www.visual-paradigm.com\/guide\/use-case\/what-is-use-case-specification\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/use-case\/what-is-use-case-specification\/\">Qu&#8217;est-ce qu&#8217;une sp\u00e9cification de cas d&#8217;utilisation\u00a0?<\/a><\/li>\n<li id=\"e55f\" class=\"graf graf--li graf-after--li graf--trailing\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/robustness-analysis-tutorial\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/robustness-analysis-tutorial\/\">Un tutoriel pratique sur l&#8217;analyse de robustesse<\/a><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Une approche par cas d&#8217;utilisation est une sorte de technique permettant d&#8217;identifier les objectifs commerciaux d&#8217;un syst\u00e8me. L&#8217;identification des cas d&#8217;utilisation aide \u00e0 d\u00e9finir la port\u00e9e du syst\u00e8me, en garantissant que les exigences \u00e0 trouver seront toutes align\u00e9es sur les valeurs, les besoins et la strat\u00e9gie de l&#8217;entreprise.<\/p>\n","protected":false},"author":5,"featured_media":10135,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","footnotes":""},"categories":[3],"tags":[],"class_list":["post-10133","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-unified-modeling-language"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Comment identifier les cas d&#039;utilisation dans la mod\u00e9lisation UML - Cyberm\u00e9diane<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.cybermedian.com\/fr\/how-to-identify-use-cases-in-uml-modeling\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Comment identifier les cas d&#039;utilisation dans la mod\u00e9lisation UML - Cyberm\u00e9diane\" \/>\n<meta property=\"og:description\" content=\"Une approche par cas d&#039;utilisation est une sorte de technique permettant d&#039;identifier les objectifs commerciaux d&#039;un syst\u00e8me. L&#039;identification des cas d&#039;utilisation aide \u00e0 d\u00e9finir la port\u00e9e du syst\u00e8me, en garantissant que les exigences \u00e0 trouver seront toutes align\u00e9es sur les valeurs, les besoins et la strat\u00e9gie de l&#039;entreprise.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.cybermedian.com\/fr\/how-to-identify-use-cases-in-uml-modeling\/\" \/>\n<meta property=\"og:site_name\" content=\"Cyberm\u00e9diane\" \/>\n<meta property=\"article:published_time\" content=\"2022-01-26T01:33:49+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-20T09:13:19+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn-images.visual-paradigm.com\/handbooks\/agile-handbook\/use-case\/02-use-case-diagram.png\" \/>\n<meta name=\"author\" content=\"vpwing\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/cdn-images.visual-paradigm.com\/handbooks\/agile-handbook\/use-case\/02-use-case-diagram.png\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"vpwing\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.cybermedian.com\/fr\/how-to-identify-use-cases-in-uml-modeling\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.cybermedian.com\/fr\/how-to-identify-use-cases-in-uml-modeling\/\"},\"author\":{\"name\":\"vpwing\",\"@id\":\"https:\/\/www.cybermedian.com\/fr\/#\/schema\/person\/0a4c6bba97e67c6ffa054e995781bc34\"},\"headline\":\"Comment identifier les cas d&#8217;utilisation dans la mod\u00e9lisation UML\",\"datePublished\":\"2022-01-26T01:33:49+00:00\",\"dateModified\":\"2026-04-20T09:13:19+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.cybermedian.com\/fr\/how-to-identify-use-cases-in-uml-modeling\/\"},\"wordCount\":843,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.cybermedian.com\/fr\/how-to-identify-use-cases-in-uml-modeling\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/cdn-images.visual-paradigm.com\/handbooks\/agile-handbook\/use-case\/02-use-case-diagram.png\",\"articleSection\":[\"Unified Modeling Language\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.cybermedian.com\/fr\/how-to-identify-use-cases-in-uml-modeling\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.cybermedian.com\/fr\/how-to-identify-use-cases-in-uml-modeling\/\",\"url\":\"https:\/\/www.cybermedian.com\/fr\/how-to-identify-use-cases-in-uml-modeling\/\",\"name\":\"Comment identifier les cas d'utilisation dans la mod\u00e9lisation UML - 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