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Enhancing Weather Monitoring Systems with Design Patterns

Explore how the Observer Pattern is applied in a weather monitoring system to automatically update three types of displays with new data. Learn about the drawbacks of condiment price changes, introducing new condiments and beverages, and accommodating customer requests in the Starbuzz Coffee case study.

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Enhancing Weather Monitoring Systems with Design Patterns

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  1. Design patterns Phần 2

  2. Weather monitoring systems

  3. measurementsChanged() đượcgọimỗikhicódữliệumới. (khôngquantâmnóđượcgọinhưthếnàovàaigọi) • Cầncài 3 loại display, chúngphảiđượccậpnhậttựđộngmỗikhicódữliệumới • Hệthốngcầnmởrộngđượcchocácloại display mới

  4. Observer Pattern

  5. Observer Pattern

  6. Mẫu Observer ápdụngcácnguyêntắcthiếtkếnhưthếnào? Bàitậpvềnhà

  7. Starbuzz Coffee

  8. Nhượcđiểm?? • Giá condiment thayđổi • Condiment mới? • Loại beverage mới? • Kháchhàngmuốn double cream ? • …?

  9. Decorator Pattern

  10. Constructing a drink order with Decorators

  11. Constructing a drink order with Decorators

  12. Constructing a drink order with Decorators

  13. Constructing a drink order with Decorators

  14. Decorating our Beverages

  15. Decorator Pattern

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