Beispiel #1
0
 public Controller(string _pyPath, string _pyScriptsPath)
 {
     this.pythonPath        = _pyPath;
     this.pythonScriptsPath = _pyScriptsPath;
     P        = new Persistence();
     GAP      = new GAPclass();
     pyRunner = new PythonRunner(pythonPath, 20000);
 }
Beispiel #2
0
        // Reads an instance from the db
        public void readGAPinstance(string dbpath, GAPclass G)
        {
            int           i, j;
            List <int>    lstCap;
            List <double> lstCosts;

            try
            {
                using (var ctx = new SQLiteDatabaseContext(dbpath))
                {
                    lstCap = ctx.Database.SqlQuery <int>("SELECT cap from capacita").ToList();
                    G.m    = lstCap.Count();
                    G.cap  = new int[G.m];
                    for (i = 0; i < G.m; i++)
                    {
                        G.cap[i] = lstCap[i];
                    }

                    lstCosts  = ctx.Database.SqlQuery <double>("SELECT cost from costi").ToList();
                    G.n       = lstCosts.Count / G.m;
                    G.c       = new double[G.m, G.n];
                    G.req     = new int[G.n];
                    G.sol     = new int[G.n];
                    G.solbest = new int[G.n];
                    G.zub     = Double.MaxValue;
                    G.zlb     = Double.MinValue;

                    for (i = 0; i < G.m; i++)
                    {
                        for (j = 0; j < G.n; j++)
                        {
                            G.c[i, j] = lstCosts[i * G.n + j];
                        }
                    }

                    for (j = 0; j < G.n; j++)
                    {
                        G.req[j] = -1;          // placeholder
                    }
                }
            }
            catch (Exception ex)
            {
                Trace.WriteLine("[readGAPinstance] Error:" + ex.Message);
            }

            Trace.WriteLine("Fine lettura dati istanza GAP");
        }
Beispiel #3
0
        public async void optimizeGAP()
        {
            if (P.checkFile())
            {
                P.setGFromFile();
            }
            else
            {
                double[] list = await getPrevisionsList("arima_forecast.py");

                P.setGFromData(list);
            }

            P.readGAPinstance(this.dbPath);
            GAPclass G   = P.getG();
            double   zub = G.simpleContruct();

            Trace.WriteLine($"Constructive, zub = {zub}");
            zub = G.opt10(G.c);
            Trace.WriteLine($"Local search, zub = {zub}");
            zub = G.TabuSearch(30, 100);
            Trace.WriteLine($"Tabu search, zub = {zub}");
        }
Beispiel #4
0
 public Persistence(string dbpath)
 {
     this.dbpath  = dbpath;
     this.factory = "";
     this.G       = new GAPclass();
 }