Use Case Diagram for the Restaurant Management System

Let’s build the use case diagram for the restaurant management system and understand the relationship between its different components.

First, we’ll define the different elements of our restaurant, followed by the complete use case diagram of the system.

System

Our system is a "restaurant."

Actors

Let’s define the main actors of our restaurant management system.

Primary actors

• Guest: This is the restaurant's primary actor who can view the menu, place orders, and make payments.

• Receptionist: This actor is responsible for reserving tables and updating the table reservation status.

• Waiter: This actor takes the order from the guest and processes the payment.

• Manager: This actor acts as the admin of the system and can perform all tasks that a receptionist and a waiter can perform. Other than that, this actor updates the menu and sets the price of food items.

Use cases

In this section, we’ll define the use cases for the restaurant management system. We’ve ...