// The purpose of this sample is to output a multidimensional array x[i][j] to illustrate how arrays and subarrays are managed. // To access the elements of an array, you must first access the subarrays up to the last dimension, then you can get the values. // Here, as there are two dimensions, you have to get one subarray from which you can directly get the values. // // The array of integers is indexed by two sets of strings.. // // The simplified model is: // // {string} s1 = ...; // {string} s2 = ...; // {int} x[s1][s2] = ...; // static int sample2() { int status = 127; const string DATADIR = "../.."; OplFactory.DebugMode = true; OplFactory oplF = new OplFactory(); try { OplErrorHandler errHandler = oplF.CreateOplErrorHandler(Console.Out); OplRunConfiguration rc = oplF.CreateOplRunConfiguration(DATADIR + "/iterators.mod"); OplModel opl = rc.GetOplModel(); opl.Generate(); // Get the x, s1 and s2 elements from the OplModel. IIntMap x = opl.GetElement("x").AsIntMap(); ISymbolSet s1 = opl.GetElement("s1").AsSymbolSet(); ISymbolSet s2 = opl.GetElement("s2").AsSymbolSet(); // Iterate on the first indexer. IEnumerator it1 = s1.GetEnumerator(); while (it1.MoveNext()) { // Get the second dimension array from the first dimension. IIntMap sub = x.GetSub((string)it1.Current); // Iterate on the second indexer of x (that is the indexer of the subarray). IEnumerator it2 = s2.GetEnumerator(); while (it2.MoveNext()) { // This is the last dimension of the array, so you can directly use the get method. Console.Out.WriteLine(it1.Current + " " + it2.Current + " " + sub.Get((string)it2.Current)); } } Console.Out.WriteLine("---------------------"); status = 0; } catch (ILOG.OPL.OplException ex) { Console.WriteLine(ex.Message); status = 1; } catch (IloException ex) { Console.Out.WriteLine("### exception: " + ex.Message); status = 2; } catch (System.Exception ex) { Console.Out.WriteLine("### UNEXPECTED ERROR ..." + ex.Message); status = 3; } oplF.End(); return(status); }
// The purpose of this sample is to check the result of filtering by iterating on the generated data element. // // The data element is an array of strings that is indexed by a set of strings. // It is filled as the result of an iteration on a set of tuples that filters out the duplicates. // It is based on the model used in "Sparsity" run configuration of the "transp" example. // // // The simplified model is: // // {string} Products = ...; // tuple Route { string p; string o; string d; } // {Route} Routes = ...; // {string} orig[p in Products] = { o | <p,o,d> in Routes }; // static int sample1() { int status = 127; const string DATADIR = "../.."; OplFactory.DebugMode = true; OplFactory oplF = new OplFactory(); try { OplErrorHandler errHandler = oplF.CreateOplErrorHandler(Console.Out); OplRunConfiguration rc = oplF.CreateOplRunConfiguration(DATADIR + "/transp2.mod", DATADIR + "/transp2.dat"); OplModel opl = rc.GetOplModel(); opl.Generate(); Console.Out.WriteLine("Verification of the computation of orig: "); // Get the orig, Routes, Product elements from the OplModel. ISymbolSetMap orig = opl.GetElement("Orig").AsSymbolSetMap(); ITupleSet Routes = opl.GetElement("Routes").AsTupleSet(); ISymbolSet Products = opl.GetElement("Products").AsSymbolSet(); Console.Out.Write("Products = "); for (int j = 0; j <= Products.Size - 1; j++) { Console.Out.Write(Products.GetValue(j) + " "); } Console.Out.WriteLine(); // Iterate through the orig to see the result of the data element filtering. IEnumerator it1 = Products.GetEnumerator(); while (it1.MoveNext()) { string p = ((string)it1.Current); // This is the last dimension of the array (as it is a one-dimensional array), so you can use the get method directly. Console.Out.WriteLine("for p = " + p + " we have " + orig.Get(p)); } Console.Out.WriteLine("---------------------"); // Iterate through the TupleSet. IEnumerator it2 = Routes.GetEnumerator(); while (it2.MoveNext()) { ITuple t = ((ITuple)it2.Current); // Get the string "p" from the tuple. string p = t.GetStringValue("p"); // if "p" is in the indexer, we will try to add the "o" string to the array. if (Products.Contains(p)) { Console.Out.WriteLine("for p = " + p + " we will have " + t.GetStringValue("o") + " from " + t); } } Console.Out.WriteLine("---------------------"); status = 0; } catch (ILOG.OPL.OplException ex) { Console.WriteLine(ex.Message); status = 2; } catch (ILOG.Concert.Exception ex) { Console.WriteLine(ex.Message); status = 3; } catch (System.Exception ex) { Console.WriteLine(ex.Message); status = 4; } oplF.End(); return(status); }
static int Main(string[] args) { int status = 127; const string DATADIR = "../.."; OplFactory oplF = new OplFactory(); try { int capFlour = 20; double best; double curr = double.MaxValue; OplRunConfiguration rc0 = oplF.CreateOplRunConfiguration(DATADIR + "/mulprod.mod", DATADIR + "/mulprod.dat"); OplDataElements dataElements = rc0.GetOplModel().MakeDataElements(); Cplex cplex = oplF.CreateCplex(); do { best = curr; OplRunConfiguration rc = oplF.CreateOplRunConfiguration(rc0.GetOplModel().ModelDefinition, dataElements); rc.Cplex.SetOut(null); rc.GetOplModel().Generate(); Console.Out.WriteLine("Solve with capFlour = " + capFlour); if (rc.Cplex.Solve()) { curr = rc.Cplex.ObjValue; Console.Out.WriteLine(); Console.Out.WriteLine("OBJECTIVE: " + curr); status = 0; } else { Console.Out.WriteLine("No solution!"); status = 1; } capFlour++; // Change the value of Capacity["flour"] in dataElements dataElements.GetElement("Capacity").AsNumMap().Set("flour", capFlour); rc.End(); } while (best != curr && status == 0); } catch (ILOG.OPL.OplException ex) { Console.WriteLine(ex.Message); status = 2; } catch (ILOG.Concert.Exception ex) { Console.WriteLine(ex.Message); status = 3; } catch (System.Exception ex) { Console.WriteLine(ex.Message); status = 4; } oplF.End(); Console.WriteLine("--Press <Enter> to exit--"); Console.ReadLine(); return(status); }
static void Main(string[] args) { // Assume we run in bin/Debug or bin/Release const string DATADIR = "../.."; int status = 127; CommandLineParser parser = new CommandLineParser(); // set some default values for the sample parser.modelFileName = DATADIR + "/data/oil.mod"; parser.configurationFileName = DATADIR + "/data/db_mssql.xml"; parser.Parse(args); // set default datafilename if none specified if (parser.dataFileNames.Count == 0) { parser.dataFileNames.Add(DATADIR + "/data/oil.dat"); } // parse the data source configuration CustomDataSourceConfiguration configuration = new CustomDataSourceConfiguration(parser.configurationFileName); // if this is the default sample, write some default data if (parser.CreateSampleDatabase) { CreateDefaultSampleDatabase(configuration); } try { OplFactory.DebugMode = true; OplFactory oplF = new OplFactory(); OplErrorHandler errHandler = oplF.CreateOplErrorHandler(Console.Out); OplRunConfiguration rc = null; if (parser.dataFileNames.Count == 0) { rc = oplF.CreateOplRunConfiguration(parser.modelFileName); } else { rc = oplF.CreateOplRunConfiguration(parser.modelFileName, (String[])parser.dataFileNames.ToArray(typeof(String))); } OplModel opl = rc.GetOplModel(); OplModelDefinition def = opl.ModelDefinition; OplDataSource dataSource = new SqlCustomDataSource(oplF, def, configuration); opl.AddDataSource(dataSource); opl.Generate(); if (parser.externalDataName != null) { using (TextWriter wt = File.CreateText(parser.externalDataName)) opl.PrintExternalData(wt); } bool success = opl.HasCplex ? opl.Cplex.Solve() : opl.CP.Solve(); if (success) { opl.PostProcess(); // Write results to result table Console.WriteLine("Writing results"); SqlWriter writer = new SqlWriter(configuration, opl); writer.WriteResults(); } oplF.End(); status = 0; } catch (ILOG.OPL.OplException ex) { Console.WriteLine(ex.Message); status = 2; } catch (ILOG.Concert.Exception ex) { Console.WriteLine(ex.Message); status = 3; } catch (System.Exception ex) { Console.WriteLine(ex); Console.WriteLine(ex.Message); status = 4; } Environment.ExitCode = status; Console.WriteLine("--Press <Enter> to exit--"); Console.ReadLine(); }