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Last modified by Carlijn Kokkeler on 2022/10/19 13:32
From version 9.1
edited by Carlijn Kokkeler
on 2022/10/19 11:39
Change comment: There is no comment for this version
To version 8.1
edited by Carlijn Kokkeler
on 2022/09/30 10:03
Change comment: There is no comment for this version

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13 13  
14 14  == 3. CDM, CDM & system message, message mapping ==
15 15  By following the steps below, you should gain a better understanding of the differences between CDM, CDM messages, and system messages.
16 -
16 +
17 17  == 3.1 Creating a CDM ==
18 -Please import the file Order.xsd in your CDM.
18 +Please add the following entities and attributes to your CDM:
19 +
20 +* Person, with attributes ID, Name, and Email
21 +* PlatformCourse, with attributes ID and Name
19 19  
20 -== 3.2 Creating a CDM message ==
21 -Now, go to your CDM message and select Order as root entity. Add all other entities and attributes from Order.xsd, which were imported into the CDM, to your CDM message definition.
22 22  
24 +One person has access to many platform courses. It should look like the following:
25 +
26 +[[image:Main.Images.Usecase.WebHome@data-modeling-in-design-exercises--adding-attributes-entities-CDM.png]]
27 +
28 +== 3.2 Creating a CDM message ==
29 +Now, go to your CDM message and add the Person and PlatformCourse to your message definition, including all attributes. It should look like the following:
30 +
31 +[[image:Main.Images.Usecase.WebHome@data-modeling-in-design-exercises--adding-message-definition-CDM-message.png]]
32 +
23 23  == 3.3 Creating a system message ==
24 -In one of your System messages, import the file TransportOrder.xsd. Select CreateOrder as root entity and add all other entities and attributes to your system definition.
34 +In System message, create the following entities and attributes:
35 +
36 +* User, with attributes ID and Name
37 +* Course, with attributes ID and Name
25 25  
39 +
40 +One user has access to many courses. It should look like the following:
41 +
42 +[[image:Main.Images.Usecase.WebHome@data-modeling-in-design-exercises--adding-attributes-entities-system-message.png]]
43 +
44 +Now, remove the attribute Name in Course by using the Toggle canvas edit mode. It should result in the following:
45 +
46 +[[image:Main.Images.Usecase.WebHome@data-modeling-in-design-exercises--remove-attribute-system-message.png]]
47 +
26 26  == 3.4 Complete message mapping ==
27 27  
28 28  Now that you have completed these steps, go to Message mapping and complete the mapping.
29 29  
30 -The solutions to these exercises can be found [[here>>doc:Main.eMagiz Academy.Use Cases.Data modeling in Design.Exercises.Solutions.WebHome||target="blank"]].
52 +[[image:Main.Images.Usecase.WebHome@data-modeling-in-design-exercises--complete-message-mapping.png]]
53 +
31 31  
32 32  == 4. Key takeaways ==
33 33