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OOD - Cricinfo

hardLast edited: January 1, 2026

Problem Statement
Requirements Analysis
Functional Requirements
Non-Functional Requirements
Use Case Diagram
Class Diagram
Activity Diagrams
1. Ball-by-Ball Scoring Workflow
2. Tournament Management and Fixture Scheduling
3. Statistical Query Processing and Analytics
Implementation
Java Implementation
Python Implementation
Key Design Decisions
1. State Pattern for Match Lifecycle
2. Strategy Pattern for Format-Specific Rules
3. Observer Pattern for Real-Time Updates
4. Command Pattern for Ball Recording
5. Factory Pattern for Match Creation
6. Immutable Value Objects
7. Hierarchical Aggregation (Composite Structure)
8. Role-Based Player Specialization
9. Separation of Live Scoring and Historical Analytics
10. Stateless Query Interfaces

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