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Use Cases: Patterns and Blueprints by Karin Palmkvist, Gunnar Övergaard

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Chapter 32. Message Transfer

Problem

A user uses the system to send a message to another user.

Characteristics: Very common in some domains. Simple.

Keywords: Batch job, communication, email, SMS, system alert.

Blueprints

Message Transfer: Deferred Delivery

Model

Model

Description

The Message Transfer: Deferred Delivery blueprint consists of two use cases. The first, called Register Message, receives a message from the Sender and stores it to be delivered at a later moment in time. When requested by the Receiver, the second use case, Deliver Message, checks whether there are any stored messages to be delivered to the actor. If there are, these messages are delivered ...

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