The government procurement system can provide bidding procurement for many types of products. The purchasers could publish
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The purchasers could publish the purchase information, which specifies the product type.
The suppliers could subscribe to the certain product types of purchase demand. Once a new purchase demand is released for that product type, the suppliers can immediately receive the purchase demand.
According to different qualifications, suppliers are divided into senior suppliers and ordinary suppliers. Only senior suppliers can view orders of wholesale. The ordinary suppliers may become senior suppliers in the future, and vice versa.
The suppliers can quote for the purchase order. The supplier offering the lowest price can get the order.
The system may add new product types in the future. The suppliers can subscribe to or cancel a certain type of product purchase demand at any time.
1. Draw use case diagrams. You can add necessary users and functions, such as: administrator, login in function, etc.
2. Draw class diagrams. Use object-oriented design principles and design patterns as much as possible.
3. Design the sequence diagram of the bidding process.
Related Book For
Smith and Roberson Business Law
ISBN: 978-0538473637
15th Edition
Authors: Richard A. Mann, Barry S. Roberts
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