Activity diagrams

Chapter Objectives ,[object Object],[object Object],[object Object],[object Object]

What Is an Activity Diagram? ,[object Object],[object Object]

What Is an Activity Diagram? (cont…) ,[object Object],[object Object],[object Object]

Drawing Activity Diagrams ,[object Object],[object Object],[object Object],[object Object],[object Object]

Elements of an Activity Diagrams Activity a behavior that an object carries out while in a particular state Transition – a movement from one activity or state to another Decision point – a diamond symbol containing a condition whose results provide transitions to different paths of activities Synchronization bar – horizontal or vertical bars denoting parallel or concurrent paths of activities

Notation of Activity Diagrams ,[object Object],[object Object],[object Object],[object Object],[object Object],Fill in registration form Register subject

Notation of Activity Diagrams ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[campaign to add] [no campaign to add] Add a New Client Assign Staff Contact Add New Campaign

Notation of Activity Diagrams ,[object Object],[object Object],[object Object],[campaign to add] [no campaign to add] Add a New Client Assign Staff Contact Add New Campaign

Notation of Activity Diagrams ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Record completion of a campaign :Campaign [Active] :Campaign [Completed]

Notation of Activity Diagrams ,[object Object],[object Object],[object Object],Record Completion of a campaign Issue invoice Campaign Manager Client Accountant Pay invoice Record client payment

Activity diagram with synchronization bars Top synchronization bar is a fork. Bottom synchronization bar is a join.

Guidelines for Creating Activity Diagrams ,[object Object],[object Object],[object Object],[object Object],[object Object],Scott Ambler

Drawing Activity Diagrams ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Drawing Activity Diagrams ,[object Object],[object Object],[object Object],[object Object]

Drawing Activity Diagrams ,[object Object],[object Object]

When Not to Use Activity Diagram ,[object Object],[object Object],[object Object],[object Object]

Summary ,[object Object],[object Object],[object Object],[object Object]

Dentist Office System ,[object Object]

Use case name: Withdraw money ,[object Object]

Activity diagrams

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Activity diagrams