How to Capture and Clarify Requirements with State Diagrams

State diagrams have been used in the world of real-time systems for many years. With the increased use of the Unified Modeling Language (UML) in interactive systems, these representations are becoming more important to the business user. As a result, the subject matter experts need a better understanding of what states are, how transitions are triggered, and what the various states of critical classes mean to the business community.

Outline

What’s Wrong with This Diagram?
Understanding Object States
Symbols and Conventions of State Diagrams
State Diagram of the Book Class
Events and Triggers in Ojbect States
Using Guard Conditions
How To Find States and Triggers
States versus Attributes
Determining States and Attributes
Modeling States of the Order Class
Errors on a State Diagram
Requirements Categories Addressed
When do you Need a State Diagram?

Discuss the use of state diagrams in a business process context
Name the common components of state diagrams
Develop a state diagram to document business requirements
List the types of business requirements that the state diagram addresses
Recommend the use of state diagrams when they are appropriate
Differentiate between state and activity diagrams

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3.5 hours