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Wiki source code of Exercises

Version 8.1 by Carlijn Kokkeler on 2022/09/30 10:03
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2 In this microlearning, we will educate you on what we mean when we talk about message definitions.
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4 Should you have any questions, please contact [[academy@emagiz.com>>mailto:academy@emagiz.com]].
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6 == 1. Prerequisites ==
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8 * Basic knowledge of the eMagiz platform
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10 == 2. Key concepts ==
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12 This microlearning centers around understanding the concept data modeling in design.
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14 == 3. CDM, CDM & system message, message mapping ==
15 By following the steps below, you should gain a better understanding of the differences between CDM, CDM messages, and system messages.
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17 == 3.1 Creating a CDM ==
18 Please add the following entities and attributes to your CDM:
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20 * Person, with attributes ID, Name, and Email
21 * PlatformCourse, with attributes ID and Name
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24 One person has access to many platform courses. It should look like the following:
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26 [[image:Main.Images.Usecase.WebHome@data-modeling-in-design-exercises--adding-attributes-entities-CDM.png]]
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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:
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31 [[image:Main.Images.Usecase.WebHome@data-modeling-in-design-exercises--adding-message-definition-CDM-message.png]]
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33 == 3.3 Creating a system message ==
34 In System message, create the following entities and attributes:
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36 * User, with attributes ID and Name
37 * Course, with attributes ID and Name
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40 One user has access to many courses. It should look like the following:
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42 [[image:Main.Images.Usecase.WebHome@data-modeling-in-design-exercises--adding-attributes-entities-system-message.png]]
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44 Now, remove the attribute Name in Course by using the Toggle canvas edit mode. It should result in the following:
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46 [[image:Main.Images.Usecase.WebHome@data-modeling-in-design-exercises--remove-attribute-system-message.png]]
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48 == 3.4 Complete message mapping ==
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50 Now that you have completed these steps, go to Message mapping and complete the mapping.
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52 [[image:Main.Images.Usecase.WebHome@data-modeling-in-design-exercises--complete-message-mapping.png]]
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55 == 4. Key takeaways ==
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57 * The CDM holds all entities and attributes that are relevant within the context of your complete integration landscape.
58 * The CDM message is tailor-made for a specific piece of data and only holds the entities and attributes relevant for that piece of data.
59 * A system message is specific to a system.
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62 == 5. Suggested Additional Readings ==
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64 If you are interested in this topic and want more information on it please read the help text provided by eMagiz.
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