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数据库实验任务三需求文档1
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数据库实验任务三需求文档1
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中国科学技术大学 软件学院(苏州)
信息来自
http://staff.ustc.edu.cn/~waterzhj
Table of Contents
1 Introduction
..........................................................................................................................................................
1
1.1 System Background
.............................................................................................................................
1
1.2 User
.....................................................................................................................................................
1
1.3 Assumptions and Dependencies
.........................................................................................................
1
1.4 References
...........................................................................................................................................
2
2 System Features
...................................................................................................................................................
3
2.1 Order Meals
.........................................................................................................................................
3
2.1.1 Description and Priority
.................................................................................................................
3
2.1.2 Stimulus/Response Sequences
......................................................................................................
3
2.1.3 Functional Requirements
...............................................................................................................
3
2.2 Create, View, Modify, and Delete Meal Subscriptions
........................................................................
4
2.2.1 Description
.....................................................................................................................................
4
2.2.2 Stimulus/Response Sequences
......................................................................................................
5
2.2.3 Functional Requirements
...............................................................................................................
5
2.3 Register for Meal Payment Options
....................................................................................................
5
2.3.1 Description and Priority
.................................................................................................................
5
2.3.2 Stimulus/Response Sequences
......................................................................................................
5
2.3.3 Functional Requirements
...............................................................................................................
5
2.4 Request Meal Delivery
........................................................................................................................
6
2.4.1 Description and Priority
.................................................................................................................
6
2.4.2 Stimulus/Response Sequences
......................................................................................................
6
2.4.3 Functional Requirements
...............................................................................................................
6
2.5 Create, View, Modify, Delete Cafeteria Menus and Food items
......................................................
6
2.5.1 Description and Priority
.................................................................................................................
6
2.5.2 Stimulus/Response Sequences
......................................................................................................
7
2.5.3 Functional Requirements
...............................................................................................................
7
3 Data Requirements
..............................................................................................................................................
8
4 Interface Requirements
.......................................................................................................................................
9
4.1 User Interfaces
....................................................................................................................................
9
4.2 Hardware Interfaces
............................................................................................................................
9
4.3 Software Interfaces
.............................................................................................................................
9
4.4 Communications Interfaces
.................................................................................................................
9
5 Other Nonfunctional Requirements
.................................................................................................................
10
5.1 Performance Requirements
..............................................................................................................
10
5.2 Safety Requirements
.........................................................................................................................
10
5.3 Security Requirements
......................................................................................................................
10
5.4 Software Quality Attributes
..............................................................................................................
10
Appendix
...............................................................................................................................................................
11
中国科学技术大学 软件学院(苏州)
信息来自 http://staff.ustc.edu.cn/~waterzhj
第
1
页 共 12 页
1 Introduction
1.1 System Background
The Cafeteria Ordering System is a new system that replaces the current manual and telephone
processes for ordering and picking up lunches in the Company A’s cafeteria. It combines
traditional paper ordering with modern wireless ordering and it is a major innovation in the
restaurant industry. Dishes can be updated in real-time and a flood of information can be
displayed without a single limit, so that the restaurant can save endless costs of recipes, menus
and other handmade things , which appears to solve the traditional menu’s problems of
short-period, dirty, chaotic because of the poor management, and finally improves the quality of
the restaurant.
1.2 User
Patron A Patron is a Company A’s employee, who wishes to order meals to be delivered from
the company cafeteria. Patrons will sometimes order multiple meals for group events or
guests. All Patrons have Intranet access from their offices. Some Patrons will wish to set
up meal subscriptions, either to have the same meal to be delivered every day or to
have the day’s meal special delivered automatically. A Patron must be able to override a
subscription for a specific day.
Cafeteria
Staff
The Company A currently employs about 20 Cafeteria Staff, who will receive orders
from the Cafeteria Ordering System, prepare meals, package them for delivery, print
delivery instructions, and request delivery. Most of the Cafeteria Staff will need to be
trained in the use of the computer, the Web browser, and the Cafeteria Ordering
System.
Menu
Manager
The Menu Manager is a cafeteria employee, perhaps the cafeteria manager, who is
responsible for establishing and maintaining daily menus of the food items available
from the cafeteria and the times of day that each item is available. Some menu items
may not be available for delivery. The Menu Manager will need to edit the menus
periodically to reflect planned food items that are not available or price changes.
Meal
Deliverer
As the Cafeteria Staff prepare orders for delivery, they will print delivery instructions
and issue delivery requests to the Meal Deliverer, who is either another cafeteria
employee or a contractor. The Meal Deliverer will pick up the food and delivery
instructions for each meal and deliver it to the Patron. The Meal Deliverers’ primary
interactions with the system will be to reprint the delivery instructions on occasion and
to confirm that a meal was (or was not) delivered.
1.3 Assumptions and Dependencies
AS-1: The cafeteria is open for breakfast, lunch, and dinner every company business day in which
employees are expected to be on site.
DE-1: The operation of the COS depends on changes being made in the Payroll System to accept
payment requests for meals ordered with the COS.
DE-2: The operation of the COS depends on changes being made in the Cafeteria Inventory
System to update the availability of food items as COS orders are accepted.
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