Design Ride-Sharing Service like Uber
| Difficulty: Hard | Source: awesome-low-level-design |
Requirements
- Passengers request rides, drivers accept/fulfill
- Specify pickup, destination, ride type (regular, premium)
- Drivers view and accept/decline requests
- Match by proximity
- Fare calculation (distance, time, type)
- Handle payments
- Real-time tracking
- Concurrent requests
Class Diagram
Classes, Interfaces and Enumerations
| Class/Interface | Description |
|---|---|
| Passenger | Id, name, contact, location |
| Driver | Id, name, contact, plate, location, status (available/busy) |
| Ride | Id, passenger, driver, source, destination, status, fare |
| Location | Latitude, longitude |
| Payment | Id, ride, amount, status |
| RideService | Singleton; ConcurrentHashMap + ConcurrentLinkedQueue |
Design Patterns Used
| Pattern | Application |
|---|---|
| Singleton | RideService acts as the central coordinator for ride matching, fare calculation, and payment processing |
Code Implementations
| Language | Source Code |
|---|---|
| Java | View on GitHub |
| Python | View on GitHub |
| C++ | View on GitHub |
| C# | View on GitHub |
| Go | View on GitHub |