gistfile1.txt

package edu.anadolu;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Random;
import java.util.stream.Collectors;

/**
 * Created by yasin_000 on 26.5.2018.
 */
class Solution {
    private static int swapHubWithNodeInRoute = 0;
    private static int insertNodeBetweenRoutes = 0;
    private static int swapNodesInRoute = 0;
    private static int swapNodesBetweenRoutes = 0;
    private static int insertNodeInRoute = 0;
    private static final Random rand = new Random();
    private List<Integer> depots;
    private List<List<Integer>> routes;
    private int cost = 0;

    Solution(List<Integer> depots, List<List<Integer>> routes) {
        this.depots = depots;
        this.routes = routes;
    }

    Solution(Solution solution) {
        depots = solution.depots;
        routes = solution.routes;
    }

    void swapNodesInRoute() {
        final int i = rand.nextInt(routes.size());

        System.out.println("routes size: " + routes.size());
        System.out.println("i: " + i);


        System.out.println("current route size : " + routes.get(i).size());
        System.out.println(routes.get(i));

        final List<Integer> collect = rand.ints(1, routes.get(i).size() -1 )
                .distinct()
                .limit(2)
                .boxed()
                .collect(Collectors.toList());
        System.out.println("Random nodes: ");
        System.out.println(collect);

        Collections.swap(routes.get(i), collect.get(0), collect.get(1));

        swapNodesInRoute++;
    }

    void swapHubWithNodeInRoute() {
        final List<Integer> collect = rand.ints(0, depots.size())
                .distinct()
                .limit(2)
                .boxed()
                .collect(Collectors.toList());
        Collections.swap(depots, collect.get(0), collect.get(1));
        List<Integer> first = new ArrayList<>();
        List<Integer> second = new ArrayList<>();
        for (int j = 0; j < routes.size(); j++) {
            if (routes.get(j).get(0) == depots.get(collect.get(0)) ) {
                first.add(j);
            }
            if (routes.get(j).get(0) == depots.get(collect.get(1))) {
                second.add(j);
            }
        }
        for (int i = 0; i < first.size(); i++) {
            routes.get(first.get(i)).set(0, depots.get(collect.get(1)));
            routes.get(first.get(i)).set(routes.get(first.get(i)).size() - 1, depots.get(collect.get(1)));

            routes.get(second.get(i)).set(0, depots.get(collect.get(0)));
            routes.get(second.get(i)).set(routes.get(second.get(i)).size() - 1, depots.get(collect.get(0)));
        }

        System.out.println(first);
        System.out.println(second);

//        for (final List<Integer> list : routes) {
//            for (int j = 0; j < list.size() - 1; j++) {
//                cost += distance[list.get(j)][list.get(j + 1)];
//            }
//        }
//
//        System.out.println("**Total cost is " + cost);
        swapHubWithNodeInRoute++;
    }

    void swapNodesBetweenRoutes() {
        final List<Integer> collect = rand.ints(0, routes.size())
                .distinct()
                .limit(2)
                .boxed()
                .collect(Collectors.toList());
        int first = rand.nextInt(routes.get(collect.get(0)).size() - 1 - 1) + 1;
        int second = rand.nextInt(routes.get(collect.get(1)).size() - 1 - 1) + 1;
        System.out.println(first);
        System.out.println(second);
        int felem = routes.get(collect.get(0)).get(first);
        int selem = routes.get(collect.get(1)).get(second);

        System.out.println();
        System.out.println(felem);
        System.out.println(selem);

        routes.get(collect.get(0)).set(first, selem);
        routes.get(collect.get(1)).set(second, felem);

        swapNodesBetweenRoutes++;
    }

    void insertNodeInRoute() {
        final int i = rand.nextInt(routes.size());

        System.out.println("routes size: " + routes.size());
        System.out.println("i: " + i);


        System.out.println("current route size : " + routes.get(i).size());
        System.out.println(routes.get(i));

        final List<Integer> collect = rand.ints(1, routes.get(i).size() - 2 )
                .distinct()
                .limit(2)
                .boxed()
                .collect(Collectors.toList());
        System.out.println("Random nodes: ");
        System.out.println(collect);

        Integer elemWillRemove =  routes.get(i).get(collect.get(0));
        Integer second =  routes.get(i).get(collect.get(1));
        System.out.println("elemWillRemove" + elemWillRemove);
        routes.get(i).remove(elemWillRemove);

        routes.get(i).add((collect.get(1))  , elemWillRemove);


        insertNodeInRoute++;
    }

    void insertNodeBetweenRoutes() {
        final List<Integer> collect = rand.ints(0, routes.size())
                .distinct()
                .limit(2)
                .boxed()
                .collect(Collectors.toList());
        int first = rand.nextInt(routes.get(collect.get(0)).size() - 1 - 1) + 1;
        int second = rand.nextInt(routes.get(collect.get(1)).size() - 1 - 1) + 1;
        System.out.println(first);
        System.out.println(second);
        int felem = routes.get(collect.get(0)).get(first);
        int selem = routes.get(collect.get(1)).get(second);

        System.out.println();
        System.out.println(felem);
        System.out.println(selem);

        routes.get(collect.get(0)).set(first, selem);
        routes.get(collect.get(1)).set(second, felem);

        Integer elemWillRemove =  routes.get(collect.get(0)).get(collect.get(0));
        System.out.println("elemWillRemove" + elemWillRemove);
//        routes.get(collect.get(0)).remove(elemWillRemove);

        routes.get(collect.get(1)).add(first + 1, elemWillRemove);


        insertNodeBetweenRoutes++;
    }

    void print(int numSalesmen) {
        System.out.println("Depots");
        System.out.println(depots);
        System.out.println("Routes");
        for (List<Integer> route : routes) {
            System.out.println(route);
        }
    }
}