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How to use CartesianProductEngine class of NBi.Core.ResultSet.Alteration.Merging package

Best NBi code snippet using NBi.Core.ResultSet.Alteration.Merging.CartesianProductEngine

CartesianProductEngineTest.cs

Source:CartesianProductEngineTest.cs

...12using System.Threading.Tasks;13using Rs = NBi.Core.ResultSet;14namespace NBi.Testing.Core.ResultSet.Alteration.Merging15{16    public class CartesianProductEngineTest17    {18        private (Rs.ResultSet firstRs, IResultSetService service) Initialize(int count)19        {20            var dataTable = new DataTable() { TableName = "MyTable" };21            dataTable.Columns.Add(new DataColumn("Id"));22            dataTable.Columns.Add(new DataColumn("Numeric value", typeof(int)));23            dataTable.Columns.Add(new DataColumn("Boolean value", typeof(bool)));24            for (int i = 0; i < 20; i++)25                dataTable.LoadDataRow(new object[] { "Alpha", i, true }, false);26            dataTable.AcceptChanges();27            var rs1 = new Rs.ResultSet();28            rs1.Load(dataTable);29            IResultSetResolver resolver = null;30            if (count > 0)31            {32                var list = new List<object[]>();33                for (int i = 0; i < count; i++)34                    list.Add(new object[] { new DateTime(2020, 1, i + 1), i });35                var args = new ObjectsResultSetResolverArgs(list.ToArray());36                resolver = new ObjectsResultSetResolver(args);37            }38            else39            {40                var args = new EmptyResultSetResolverArgs(new[] { new ColumnNameIdentifier("one"), new ColumnNameIdentifier("two") });41                resolver = new EmptyResultSetResolver(args);42            }43            return (rs1, new ResultSetService(resolver.Execute, new List<Alter>()));44        }45        [Test()]46        public void Execute_TwentyRowsAndOneRow_TwentyRows()47        {48            var (firstRs, secondRs) = Initialize(1);49            var args = new CartesianProductArgs(secondRs);50            var merge = new CartesianProductEngine(args);51            merge.Execute(firstRs);52            Assert.That(firstRs.Rows.Count, Is.EqualTo(20));53            Assert.That(firstRs.Columns.Count, Is.EqualTo(5));54        }55        [Test()]56        public void Execute_TwentyRowsAndFiveRow_HundredRows()57        {58            var (firstRs, secondRs) = Initialize(5);59            var args = new CartesianProductArgs(secondRs);60            var merge = new CartesianProductEngine(args);61            merge.Execute(firstRs);62            Assert.That(firstRs.Rows.Count, Is.EqualTo(100));63            Assert.That(firstRs.Columns.Count, Is.EqualTo(5));64        }65        [Test()]66        public void Execute_TwentyRowsAndZeroRow_ZeroRows()67        {68            var (firstRs, secondRs) = Initialize(0);69            var args = new CartesianProductArgs(secondRs);70            var merge = new CartesianProductEngine(args);71            merge.Execute(firstRs);72            Assert.That(firstRs.Rows.Count, Is.EqualTo(0));73            Assert.That(firstRs.Columns.Count, Is.EqualTo(5));74        }75    }76}...

CartesianProductEngine.cs

Source:CartesianProductEngine.cs

...6using System.Threading.Tasks;7using NBi.Extensibility;8namespace NBi.Core.ResultSet.Alteration.Merging9{10    public class CartesianProductEngine : IMergingEngine11    {12        private CartesianProductArgs Args { get; }13        public CartesianProductEngine(CartesianProductArgs args)14            => Args = args;15        public IResultSet Execute(IResultSet rs)16        {17            var secondRs = Args.ResultSetResolver.Execute();18            var initialColumnCount = rs.Columns.Count;19            foreach (DataColumn dataColumn in secondRs.Columns)20            {21                while (rs.Columns.Contains(dataColumn.ColumnName))22                    dataColumn.ColumnName = $"{dataColumn.ColumnName}_1";23                var newColumn = new DataColumn(dataColumn.ColumnName, dataColumn.DataType);24                rs.Columns.Add(newColumn);25            }26            if (secondRs.Rows.Count == 0 || secondRs.Columns.Count == 0)27            {...

MergingFactory.cs

Source:MergingFactory.cs

...17                        case ColumnIdentity.Ordinal: return new UnionByOrdinalEngine(x.ResultSetResolver);18                        case ColumnIdentity.Name: return new UnionByNameEngine(x.ResultSetResolver);19                        default: throw new NotImplementedException();20                    }21                case CartesianProductArgs x: return new CartesianProductEngine(x);22                default: throw new ArgumentException();23            }24        }25    }26}...

CartesianProductEngine

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using NBi.Core.ResultSet.Alteration.Merging;7{8    {9        static void Main(string[] args)10        {11            CartesianProductEngine cartesianProductEngine = new CartesianProductEngine();12            cartesianProductEngine.Execute();13            Console.ReadKey();14        }15    }16}17using System;18using System.Collections.Generic;19using System.Linq;20using System.Text;21using System.Threading.Tasks;22using NBi.Core.ResultSet;23using NBi.Core.ResultSet.Alteration.Merging;24using NBi.Core.ResultSet.Resolver;25using NBi.Core.Calculation;26{27    {28        public void Execute()29        {30            ResultSet rs1 = new ResultSet();31            rs1.Columns.Add(new Column("Id", ColumnType.Numeric));32            rs1.Columns.Add(new Column("Name", ColumnType.Text));33            rs1.Rows.Add(new Row(new object[] { 1, "A" }));34            rs1.Rows.Add(new Row(new object[] { 2, "B" }));35            ResultSet rs2 = new ResultSet();36            rs2.Columns.Add(new Column("Id", ColumnType.Numeric));37            rs2.Columns.Add(new Column("Name", ColumnType.Text));38            rs2.Rows.Add(new Row(new object[] { 3, "C" }));39            rs2.Rows.Add(new Row(new object[] { 4, "D" }));40            ResultSetResolver rsr1 = new ResultSetResolver();41            rsr1.ResultSet = rs1;42            ResultSetResolver rsr2 = new ResultSetResolver();43            rsr2.ResultSet = rs2;44            CartesianProductEngine cartesianProductEngine = new CartesianProductEngine();45            ResultSet rs = cartesianProductEngine.Execute(rsr1, rsr2);46            foreach (Row row in rs.Rows)47            {48                foreach (object item in row)49                {50                    Console.Write(item + " ");51                }52                Console.WriteLine();53            }54        }55    }56}

CartesianProductEngine

Using AI Code Generation

1using NBi.Core.ResultSet.Alteration.Merging;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7{8    {9        static void Main(string[] args)10        {11            var cartesianProductEngine = new CartesianProductEngine();12            var list1 = new List<string>() { "A", "B", "C" };13            var list2 = new List<string>() { "1", "2", "3" };14            var cartesianProduct = cartesianProductEngine.Execute(list1, list2);15            foreach (var item in cartesianProduct)16                Console.WriteLine(item);17            Console.Read();18        }19    }20}

CartesianProductEngine

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Data;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7using NBi.Core.ResultSet.Alteration.Merging;8{9    {10        public DataTable Merge(DataTable x, DataTable y)11        {12            var result = new DataTable();13            result.Merge(x);14            result.Merge(y);15            return result;16        }17    }18}19using System;20using System.Collections.Generic;21using System.Data;22using System.Linq;23using System.Text;24using System.Threading.Tasks;25using NBi.Core.ResultSet.Alteration.Merging;26{27    {28        public DataTable Merge(DataTable x, DataTable y)29        {30            var result = new DataTable();31            result.Merge(x);32            result.Merge(y);33            return result;34        }35    }36}37using System;38using System.Collections.Generic;39using System.Data;40using System.Linq;41using System.Text;42using System.Threading.Tasks;43using NBi.Core.ResultSet.Alteration.Merging;44{45    {46        public DataTable Merge(DataTable x, DataTable y)47        {48            var result = new DataTable();49            result.Merge(x);50            result.Merge(y);51            return result;52        }53    }54}55using System;56using System.Collections.Generic;57using System.Data;58using System.Linq;59using System.Text;60using System.Threading.Tasks;61using NBi.Core.ResultSet.Alteration.Merging;62{63    {64        public DataTable Merge(DataTable x, DataTable y)65        {66            var result = new DataTable();67            result.Merge(x);68            result.Merge(y);69            return result;70        }71    }72}

CartesianProductEngine

Using AI Code Generation

1using NBi.Core.ResultSet.Alteration.Merging;2using System;3using System.Collections.Generic;4{5    {6        static void Main(string[] args)7        {8            List<string> list1 = new List<string>();9            list1.Add("a");10            list1.Add("b");11            list1.Add("c");12            list1.Add("d");13            List<int> list2 = new List<int>();14            list2.Add(1);15            list2.Add(2);16            list2.Add(3);17            list2.Add(4);18            List<double> list3 = new List<double>();19            list3.Add(3.14);20            list3.Add(1.618);21            list3.Add(2.718);22            list3.Add(1.414);23            List<List<object>> list = new List<List<object>>();24            list.Add(list1.ConvertAll<object>(i => i));25            list.Add(list2.ConvertAll<object>(i => i));26            list.Add(list3.ConvertAll<object>(i => i));27            CartesianProductEngine engine = new CartesianProductEngine();28            var result = engine.Execute(list);29            foreach (var row in result)30            {31                foreach (var cell in row)32                {33                    Console.Write(cell + " ");34                }35                Console.WriteLine();36            }37            Console.WriteLine("Press any key to exit.");38            Console.ReadKey();39        }40    }41}

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