package Tema2;

import java.util.Scanner;

public class LanzaHilos {
    public static void main(String[]args) throws InterruptedException{
        LanzaHilos lanzador = new LanzaHilos();
    }

    public LanzaHilos() throws InterruptedException{
        Runnable mostrarNumeros = new MostrarNumeros();
        Scanner sc = new Scanner(System.in);
        System.out.print("Introduzca numero a descomponer ");
        int n = sc.nextInt();
        System.out.print("Introduzca numero de factores ");
        int nFactores = sc.nextInt();
        Runnable factoresPrimos = new FactoresPrimos(n, nFactores);

        Thread mostrarTask = new Thread(mostrarNumeros);
        Thread factoresTask = new Thread(factoresPrimos);

        mostrarTask.start();
        factoresTask.start();

        Thread.sleep((int)(Math.random()*3000));
        mostrarTask.interrupt();
        System.out.println("Hilo 1 interrumpido: "+mostrarTask.isInterrupted());
        System.out.println("Hilo 1 vivo: "+mostrarTask.isAlive());


        Thread.sleep((int)(Math.random()*3000));
        factoresTask.interrupt();
        System.out.println("Hilo 2 vivo: "+factoresTask.isAlive());
        System.out.println("Hilo 2 interrumpido: "+factoresTask.isInterrupted());
    }
}

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package Tema2;

import java.util.logging.Level;
import java.util.logging.Logger;

/**
 *
 * @author Jovifra
 */
public class MostrarNumeros implements Runnable{
    @Override
    public void run() {
        for(int i=1; i<=100; i++){
            try {
                System.out.println(i);
                Thread.sleep(1000);
            } catch (InterruptedException ex) {
                System.out.println("INTERRUPTED EXCEPTION CUENTA 100 con nº "+i);
                if(i%2==0) {
                    System.out.println("Es par así que me vuelvo");
                    Thread.currentThread().interrupt();
                    return;
                } else {
                    System.out.println("Es impar, sigo");
                }
            }
        }
    }

}

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package Tema2;

/**
 *
 * @author Jovifra
 */
public class FactoresPrimos implements Runnable {
    int n;
    int nFactores;
    public FactoresPrimos(int n, int nFactores) {
        this.n = n;
        this.nFactores = nFactores;
    }

    @Override
    public void run(){
        int factoresPrimos = 0;
        for (int i=1; i<=n/2; i++) {
            if (Thread.currentThread().isInterrupted()) {
                if(factoresPrimos>=nFactores){
                    System.out.println("Numeros de factores alcanzados, corto");
                    Thread.currentThread().interrupt();
                    return;
                }
            }
            if(n%i==0 && esPrimo(i)) {
                System.out.println("Factor "+i+ " "+"\tes primo");
                ++factoresPrimos;
            }
        }
        return;
    }

    private boolean esPrimo(int n) {
        int divisores=0;
        for (int i=2; i<=n/2; i++) {
            if (n%i==0) ++divisores;
        }
        return (divisores==0);
    }
}