Design a software system using the publisher

Assignment Help Other Subject

Reference no: EM133719119

Helping Plan Meals

A client has hired you to build a software service to connect dietitians and nutritionists with people who struggle to think about what meals they should make.

Dietitians and nutritionists can publish ideas for meals. Each meal can belong to a particular cuisine type (Chinese, Italian, Brazilian, etc.) and has an expected time to finish cooking the meal. They can also publish meals for a daily and weekly schedule. These meals include extra information indicating if the meal is meant for breakfast, lunch, or dinner. Weekly meal ideas also include information about which day of the week the meal is meant to be served.

When a meal plan is published, all customers subscribed to that mealPlanType or cuisineType will be notified.

Customers can subscribe to be notified about any new recipes belonging to a category of interest. They can also subscribe to get notifications about daily and weekly meal plan postings. The customers may also unsubscribe from anything they were previously subscribed to, so they will no longer receive notifications.

The names of the dietitians, nutritionists, and customers must be unique. Upper- and lowercase letters are treated the same

Project Scope
Design a software system using the publisher-subscriber design pattern. (Other design patterns may be used with the pub/sub pattern.) There must be at least three components in the design, a publisher, a message broker, and a subscriber. The message broker handles communication between any number of publisher and subscriber components. Publishers and subscribers should never directly communicate with each other.

Create UML specifications in Astah before trying to implement the project in Java.
Create a use case diagram for the scenarios a dietitian/nutritionist and customer may experience.
Create a class diagram of the overall software system.
Must use the publisher-subscriber design pattern.
Create sequence diagrams to describe the following operations:
What happens when there is a publish event?
What happens when there is a subscribe event?
What happens when there is an unsubscribe event?
State machine of message broker

Reference no: EM133719119

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