Jing Dong and Yajing Zhao

1. Experiments on Design Pattern Discovery Jing Dong and Yajing Zhao Department of Computer Science The University of Texas at Dallas {jdong, yxz045100}@utdallas.edu

5. Related Work X Flyweight X Facade X X Chain of Responsibility X X Builder X X X Abstract Factory X X X X X X X X X X Balanyi 2003 X X Command X X X Proxy X X X X X X Composite X X X X X Decorator X X X X Factory Method X X X X Observer X X Prototype X X X X Singleton X X X X Strategy X X X Template Method X X X Visitor X X X X Bridge X X X X Adapter Gueheneuc 2006 Shi 2006 Blewitt 2001 Niere 2002 Heuzeroth 2003 Antoniol 1998 Tsantalis 2006 Authors Tools

10. Experiment Result 64 24 6 76 Strategy 0 58 4 JHotDraw 0 24 17 JEdit 3 6 3 JUnit 3 65 21 Java.AWT Composite Bridge Adapter Systems

11. Experiment Result – Java.AWT Results for Each Analysis Phase N/A 76 65 N/A Semantic Analysis 3 3 92 Composite 76 76 100 Strategy 65 76 100 Bridge 21 21 57 Adapter Final Result Behavioral Analysis Structural Analysis Systems Java.AWT

12. Experiment Result – JUnit Results for Each Analysis Phase N/A 6 6 N/A Semantic Analysis 3 6 6 3 Final Result 3 9 Composite 6 6 Strategy 6 6 Bridge 3 15 Adapter Behavioral Analysis Structural Analysis Systems JUnit

13. Experiment Result – JEdit Results for Each Analysis Phase N/A 24 24 N/A Semantic Analysis 0 0 0 Composite 24 24 33 Strategy 24 24 33 Bridge 17 17 80 Adapter Final Result Behavioral Analysis Structural Analysis Systems JEdit

14. Experiment Result – JHotDraw Results for Each Analysis Phase N/A 64 58 N/A Semantic Analysis 0 0 0 Composite 64 64 74 Strategy 58 64 74 Bridge 4 4 27 Adapter Final Result Behavioral Analysis Structural Analysis Systems JHotDraw

22. Thank You!

23. Questions?

24. Overall Architecture of Our Approach System  Design Pattern match Source Code Intermediate Representation

25. Structural Analysis – Matrix

26. 1 1 1 1 7 1 1 1 1 TextComponent 1 1 1 1 7 1 1 1 1 Scrollbar 1 1 1 1 7 1 1 1 1 Label 1 1 1 1 35 1 1 1 1 Container 1 1 1 5 1 1 1 1 1 Component 1 1 1 1 7 1 1 1 1 Choice 1 1 1 1 7 1 1 1 1 Checkbox 1 1 1 1 7 1 1 1 1 Canvas 1 1 1 1 7 1 1 1 1 Button TextComponent Scrollbar Label Container Component Choice Checkbox Canvas Button

27. 1 1 1 1 7 1 1 1 1 TextComponent 1 1 1 1 7 1 1 1 1 Scrollbar 1 1 1 1 7 1 1 1 1 Label 1 1 1 1 35 1 1 1 1 Container 1 1 1 5 1 1 1 1 1 Component 1 1 1 1 7 1 1 1 1 Choice 1 1 1 1 7 1 1 1 1 Checkbox 1 1 1 1 7 1 1 1 1 Canvas 1 1 1 1 7 1 1 1 1 Button TextComponent Scrollbar Label Container Component Choice Checkbox Canvas Button 1 35 1 Composite 1 1 1 Component 1 7 1 Leaf Composite Component Leaf