Class Transport

/*
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 * and open the template in the editor.
 */
package transporte;

import ExamplesJaCoP.Example;
import JaCoP.constraints.Sum;
import JaCoP.constraints.SumWeight;
import JaCoP.core.IntVar;
import JaCoP.core.Store;
import JaCoP.core.Var;
import JaCoP.search.DepthFirstSearch;
import JaCoP.search.IndomainMin;
import JaCoP.search.SelectChoicePoint;
import JaCoP.search.SimpleSelect;
import java.util.ArrayList;
import javax.swing.JOptionPane;


/**
 *
 * @author Carlos
 */
public class Transporte extends Example{

    @Override
    public void model(){

        store = new Store();
        vars = new ArrayList<>();
        cost = new IntVar();

        /** Variables Limitadas por su respectivo rango **/
        IntVar bogota = new IntVar(store, "Bogota", 0, 20);
        IntVar medellin = new IntVar(store, "Medellin", 0, 40);
        IntVar cali = new IntVar(store, "Cali", 0, 40);

        /** Bogota **/
        IntVar x13 = new IntVar(store, "X13", 20, 20);// X13 del Origen 1 al destino 3, 20 es la demanda del origen 3
        /** Medellin **/
        IntVar x21 = new IntVar(store, "X21", 25, 25);
        IntVar x22 = new IntVar(store, "X22", 10, 10);
        IntVar x24 = new IntVar(store, "X24", 5,5);
        /** Cali **/
        IntVar x34 = new IntVar(store, "X34", 25, 25);
        IntVar x35 = new IntVar(store, "X35", 15, 15);

        /** Bogota **/
        ArrayList<IntVar> b = new ArrayList<>();
        b.add(x13);
        store.impose(new Sum(b, bogota));

        /** Medellin **/

        ArrayList<IntVar> m = new ArrayList<>();
        m.add(x21);m.add(x22);m.add(x24);
        store.impose(new Sum(m, medellin));

        /** Cali **/
        ArrayList<IntVar> c = new ArrayList<>();
        c.add(x34);c.add(x35);
        store.impose(new Sum(c, cali));

        IntVar[] rDemanda = {x13,x21,x22,x24,x34,x35}; // se Crea Arreglo para añadirlo a Vars



        /** Operaciones con Variables **/

        ArrayList<IntVar> x = new ArrayList<>();
        x.add(x13);x.add(x21);x.add(x22);x.add(x24);x.add(x34); x.add(x35);
        ArrayList<Integer> y = new ArrayList<>();
        y.add(40);y.add(35);y.add(30);y.add(45);y.add(35);y.add(30); // <-- se ingresan los costos como constante
        //store.impose(new Sum(x, cost));
        store.impose(new SumWeight(x,y, cost));

        for(Var v: rDemanda)
        {
            vars.add(v);
        }

        vars.add(cost);
    }

    public static void main(String[] args) {

        Transporte example = new Transporte();
        example.model();
       if(example.searchOptimal()){

           JOptionPane.showMessageDialog(null," Solucion Encontrada ");
       }


    }

    /**public boolean searchOptimal() {

        long T1, T2;
        T1 = System.currentTimeMillis();

        SelectChoicePoint select = new SimpleSelect(vars.toArray(new Var[1]), null,
                new IndomainMin());

        search = new DepthFirstSearch();

        boolean result = search.labeling(store, select, cost);

        if (result)
            store.print();

        T2 = System.currentTimeMillis();

        System.out.println("\n\t*** Execution time = " + (T2 - T1) + " ms");

        return result;

    }   */

}