CSC305 Lecture 15

Individual Software Design and Development
Decorator/Composite
(202410)

Transcript

1. Dr. Javier Gonzalez-Sanchez javiergs@calpoly.edu www.javiergs.info o ffi ce: 14 -227 CSC 305 Individual Software Design and Development Lecture 15. Decorator Pattern
2. Previously
3. GoF Patterns 3
4. Observer 4
5. Singleton 5
6. Notes on Decorator | Composite
7. Problem 7
8. Inheritance Approach 8
9. Inheritance Approach 9
10. Inheritance Approach 10
11. Composite 11
12. Decorator | Composite 12
13. Decorator vs Inheritance • Both a llow you to ch a nge how a n object beh a ves. • The decor a tor p a ttern a llows you to extend (decor a te) the function a lity of a n object a t runtime. • Inherit a nce a dds beh a vior a t compil a tion time. 13
14. Connecting the Dots
15. Application 15
16. Application | GUI 16 Main JFrame ChartPanel JPanel
17. Application | Data Gathering 17 Main JFrame ChartPanel Thread Genius JPanel
18. Application | Observer 18 Main JFrame ChartPanel Thread <<Singleton>> Board Genius JPanel PropertyChange Listener PropertyChange Support
19. MarkerDecoratorShadow MarkerDecoratorDot MarkerSimple Application | Decorator 19 MarkerDecoratorDot MarkerSimple MarkerSimple
20. ChallengePlotter | Main 20 https://github.com/CSC3100/Patterns
21. ChallengePlotter | Genius | Runnable 21 https://github.com/CSC3100/Patterns
22. ChallengePlotter | Board | Singleton, Observable 22 https://github.com/CSC3100/Patterns
23. ChallengePlotter | ChartPanel | Observer 23 https://github.com/CSC3100/Patterns
24. ChallengePlotter | Marker | Decorator 24 https://github.com/CSC3100/Patterns
25. ChallengePlotter | MarkerDecorator | Decorator 25 https://github.com/CSC3100/Patterns
26. ChallengePlotter | MarkerDecoratorBar | Decorator 26 https://github.com/CSC3100/Patterns
27. ChallengePlotter | MarkerDecoratorDot | Decorator 27 https://github.com/CSC3100/Patterns
28. ChallengePlotter | MarkerSimple | Decorator 28 https://github.com/CSC3100/Patterns
29. Questions 29
30. Lab 11. Decorator
31. Note 31 UML Class Diagram
32. CSC 305 Individual Software Design and Development Javier Gonzalez-Sanchez, Ph.D. javiergs@calpoly.edu Summer 2024 Copyright. These slides can only be used as study material for the class CSC305 at Cal Poly. They cannot be distributed or used for another purpose.