Real-Time NEMT Dispatch Platform

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@Service
public class MatchingService {
    
    public Optional<Assignment> findBestMatch(Ride ride) {
        return availableDrivers.stream()
            .filter(d -> meetsHardConstraints(d, ride))
            .map(d -> scoreAssignment(d, ride))
            .max(Comparator.comparing(Assignment::getScore));
    }
    
    private double scoreAssignment(Driver driver, Ride ride) {
        double score = 0.0;
        
        // ETA score (closer is better)
        score += 100 - (eta.getMinutes() * 2);
        
        // Driver utilization balance
        score += (averageUtilization - driver.getUtilization()) * 10;
        
        // Route familiarity bonus
        if (driver.hasCompletedSimilarRoute()) {
            score += 15;
        }
        
        return score;
    }
}

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// Latest driver location (hot cache)
redisTemplate.opsForGeo()
    .add("driver-locations", 
         new Point(lon, lat), 
         driverId);

// Find drivers within 5 miles of pickup
Circle searchArea = new Circle(pickupPoint, 
                               new Distance(5, MILES));
GeoResults<String> nearby = redisTemplate.opsForGeo()
    .radius("driver-locations", searchArea);