FactorialProcess.java

public class Process {
    private String name;

    public Process() {
    }

    public Process(String name) {
        this.name = name;
    }

    public String getName() {
        return name;
    }
    
    /**
     * Method: criticalSection() computes only during a valid protected temporal process execution
     * @param calculatedFactorials - HashMap to store (num, partialFactorial)
     */
    public void criticalSection(ConcurrentHashMap<Integer, String> sharedCalculatedFactorials) {
        Random random = new Random();
        int num;
        do {
            num = random.nextInt(1000) + 500;
        } while (sharedCalculatedFactorials.containsKey(num));

        BigInteger factorial = FactorialCalculator.calculateFactorial(num); // Call the new method
        String partialFactorial = factorial.toString().substring(0, 64);
        sharedCalculatedFactorials.put(num, partialFactorial); // Store in the map
    }
}