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List of Use Cases
Updated Nov 24, 2011 by seuvi...@gmail.com

List of Use Cases

Glossary at the end of the page.


Use Case: Calculate Data Functions

Main flow: Change DETs and calculate size

  1. Analyst selects an existing application or project.
  2. System displays all data groups that contain DETs maintained by the application. For each group it shows:
    • Their dependencies from other data groups;
    • Their DETs and indication of whether the DET is maintained by the application.
  3. Analyst enters all the Data Elementary Types maintained by the application.
  4. System stores the new data elementary type on the database.
  5. System displays all ILFs and EIFs of the application, together with the number of RLRs, number of DETs, complexity and functional size.

Extension flows

  • 3a: Import DET from another application
    1. Analyst selects "Import DET from another application".
    2. System displays a list of existing applications.
    3. Analyst selects an application from the list and selects a Logical File from the application.
    4. The Logical File is added to the application and all DETs are considered maintained by the application.

Glossary

  • ILF: Internal Logical File. A User identifiable group of logically related data maintained by the application through External Inputs.
  • EIF: External Interface File. A User identifiable group of logically related data that is used for reference purposes only. Maintained by another application.
  • DET: Data Element Type. A unique user recognizable field from a business perspective which participates in a transaction or is stored on a logical data file.
  • RET: Record Element Type. A user recognizable subgroup of data elements within an ILF or EIF.
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