Introduction to Patterns
• Definition and Origin of Software Patterns
Introduction to Patterns
• Role of Patterns in Software Engineering
Introduction to Patterns
• Comparison with Traditional Design
Techniques
Introduction to Patterns
• Pattern Taxonomies in Software
Introduction to Patterns
• Benefits of Using Patterns
Elements of a Pattern
• Pattern Name and Classification
Elements of a Pattern
• Problem Description and Motivation
Elements of a Pattern
• Context and Applicability
Elements of a Pattern
• Forces and Constraints
Elements of a Pattern
• Solution Description
Elements of a Pattern
• Structure (Diagrams, Class Relationships)
Elements of a Pattern
• Consequences (Benefits and Trade-offs)
Elements of a Pattern
• Known Uses and Related Patterns
Creating Patterns
• Identifying Recurring Problems
Creating Patterns
• Documenting Solutions
Creating Patterns
• Validating and Reviewing Patterns
Creating Patterns
• Standardized Pattern Formats
Creating Patterns
• Pattern Mining Techniques
Pattern Categories
• Architectural Patterns Overview
Pattern Categories
• Design Patterns Overview
Pattern Categories
• Idioms Overview
Pattern Categories
• Differences and Applications
Architectural Patterns
• Layers Pattern: Overview and Example
Architectural Patterns
• Pipes and Filters Pattern: Overview and
Example
Architectural Patterns
• Microkernel Architecture
Architectural Patterns
• Broker Pattern
Architectural Patterns
• Model-View-Controller (MVC)
Architectural Patterns
• Client-Server Pattern
Architectural Patterns
• Component-Based Architecture
Architectural Patterns
• Event-Driven Architecture
Design Patterns
• Creational Patterns Introduction
Design Patterns
• Factory Method Pattern
Design Patterns
• Abstract Factory Pattern
Design Patterns
• Builder Pattern
Design Patterns
• Prototype Pattern
Design Patterns
• Structural Patterns Introduction
Design Patterns
• Adapter Pattern
Design Patterns
• Bridge Pattern
Design Patterns
• Composite Pattern
Design Patterns
• Decorator Pattern
Design Patterns
• Facade Pattern
Design Patterns
• Behavioral Patterns Introduction
Design Patterns
• Observer Pattern
Design Patterns
• Strategy Pattern
Design Patterns
• Command Pattern
Design Patterns
• State Pattern
Design Patterns
• Template Method Pattern
Idioms
• Definition and Scope of Idioms
Idioms
• Idioms vs Design Patterns
Idioms
• Examples in C++: RAII, Smart Pointers
Idioms
• Idioms in Java and Python
Idioms
• Language-Specific Optimization Techniques
Pattern Relationships
• Uses and Refines
Pattern Relationships
• Variants and Compositions
Pattern Relationships
• Dependency and Collaboration Among
Patterns
Pattern Relationships
• Pattern Maps and Catalogs
Pattern Languages
• Definition and Importance
Pattern Languages
• Organizing and Linking Patterns
Pattern Languages
• Example of a Pattern Language
Pattern Languages
• Constructing Architectures Using Pattern
Languages
Patterns and Software Architecture
• How Patterns Influence Architecture
Patterns and Software Architecture
• Reusability and Modularity
Patterns and Software Architecture
• Scalability and Performance Implications
Patterns and Software Architecture
• Documenting Architectures with Patterns
Patterns and Software Architecture
• Tool Support for Pattern-Based Design
Case Studies and Examples
• Case Study: Web Application Using MVC
Case Studies and Examples
• Case Study: Distributed System Using Broker
Case Studies and Examples
• Enterprise Application with Layers and
Factories
Case Studies and Examples
• Designing a Plugin System with Microkernel
Summary and References
• Key Takeaways
Summary and References
• Summary of Main Pattern Types
Summary and References
• Importance of Reusable Design Knowledge
Summary and References
• Future Trends in Pattern Usage
Summary and References
• References: Buschmann et al., GoF, Alexander
Title Slide
• Introduction to Patterns
• Based on 'Pattern-Oriented Software
Architecture – A System of Patterns'
• Frank Buschmann, Regine Meunier, Hans
Rohnert, Peter Sommerlad, Michael Stal
Agenda
• 1. Introduction to Patterns
• 2. Elements of a Pattern
• 3. Creating Patterns
• 4. Pattern Categories
• 5. Architectural Patterns
• 6. Design Patterns
• 7. Idioms
• 8. Pattern Relationships
• 9. Pattern Languages

Detailed ppt _Introduction to Patterns.pptx