1. Activity Diagrams Copyright © 2009 John Wiley & Sons, Inc. Copyright © 2005 Pearson Education Copyright © 2009 Kannan Mohan CIS 4800 Kannan Mohan Department of CIS Zicklin School of Business, Baruch College

2. Learning Objectives Describe the various purposes for which we can use activity diagrams Describe the different elements of an activity diagram Develop activity diagrams to model specific processes

3. Activity Diagrams OO flowcharts Can be used for: – Business process modeling – Use case sequence of action – Modeling methods in classes

4. Business Process Modeling Business process models describe the activities that collectively support a business process A very powerful tool for communicating the analyst’s current understanding of the requirements with the user Activity diagrams are used to model the behavior in a business process

5. Sample Activity Diagram

6. Activity Diagram Syntax Action or Activity Control Flow Initial Node Final Node Decision Node

7. Guidelines for Activity Diagrams 1.Set the scope of the activity being modeled 2.Identify the activities, control flows, and object flows that occur between the activities 3.Identify any decisions that are part of the process being modeled 4.Identify potential concurrencies in the process

8. Summary What is an activity diagram? What can we model using activity diagrams? What are the different elements in an activity diagram? Develop activity diagrams for a given process.