Devolpment of Large Systems

Example contract repository

Glossary

Nouns

Word	LDM	Description
IT System
Student	x
Web Service
Night School	?
Web Application
Employee (in school administration)	x
Teacher	x
Course	x
Main Responsible Teacher	x
First Name	x
Last Name	x
Email	x
Address	x
Phone Number	x
Social Security Number	x
Person	x
Lecture	x
Subject	x
Category	x
Description	x
Start Time	x
End Time	x
Room	x
Information (about students)	x
Text File
List of Courses	x

Verbs

Word	UCM	Description
Registering Students
Integrate with Schools	?
login in	(x)
make changes	(x)
associate students and teachers	x
create course	x
update course	x
mark course as deleted	x
create student	x
create teacher	x
update student	x
update teacher	x
remove private information on student	x
remove private information on teacher	x
list course with category	x
give detailed information	x

Logical Data Model

Use Case Model

Use case descriptions

UC1

Name: find course

Description: Find a spefic course for later updating or details

Primary Actor: School Admin Employee

Preconditions: none

Main Scenario:

1. User selects find course.
2. System shows searchform.
3. User enters search data, and submits form.
4. System list relevant courses
5. User selects a course in List
6. System shows course details

Postcondition (Success guaranties) A specific couse is selected

Alternative scenarios Alternative postconditions

UC2

...

Main Scenario

1. User selects course (UC1)
2. ...

System Operations