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How to use CartesianProductSequenceCombination method of NBi.Core.ResultSet.Combination.CartesianProductSequenceCombination class

Best NBi code snippet using NBi.Core.ResultSet.Combination.CartesianProductSequenceCombination.CartesianProductSequenceCombination

CartesianProductSequenceCombinationTest.cs

Source:CartesianProductSequenceCombinationTest.cs

...12using NBi.Extensibility.Resolving;13using Rs = NBi.Core.ResultSet;14namespace NBi.Testing.Core.ResultSet.Combination15{16    public class CartesianProductSequenceCombinationTest17    {18        private (IResultSet rs, ISequenceResolver resolver) Initialize()19        {20            var dataTable = new DataTable() { TableName = "MyTable" };21            dataTable.Columns.Add(new DataColumn("Id"));22            dataTable.Columns.Add(new DataColumn("Numeric value"));23            dataTable.Columns.Add(new DataColumn("Boolean value"));24            for (int i = 0; i < 20; i++)25                dataTable.LoadDataRow(new object[] { "Alpha", i, true }, false);26            dataTable.AcceptChanges();27            var rs = new Rs.ResultSet();28            rs.Load(dataTable);29            var scalarResolvers = new List<IScalarResolver>()30            {31                new LiteralScalarResolver<string>("2015-01-01"),32                new LiteralScalarResolver<string>("2016-01-01"),33                new LiteralScalarResolver<string>("2017-01-01"),34            };35            var args = new ListSequenceResolverArgs(scalarResolvers);36            var resolver = new ListSequenceResolver<DateTime>(args);37            return (rs, resolver);38        }39        [Test()]40        public void Execute_TwentyRowsAndSequenceOfTwo_SixtyRows()41        {42            var (rs, resolver) = Initialize();43            var combination = new CartesianProductSequenceCombination(resolver);44            combination.Execute(rs);45            Assert.That(rs.Rows.Count, Is.EqualTo(60));46        }47        [Test()]48        public void Execute_TwentyRowsAndSequenceOfTwo_OneAdditionalColumn()49        {50            var (rs, resolver) = Initialize();51            var initColumnCount = rs.Columns.Count;52            var combination = new CartesianProductSequenceCombination(resolver);53            combination.Execute(rs);54            Assert.That(rs.Columns.Count, Is.EqualTo(initColumnCount + 1));55        }56        [Test()]57        public void Execute_TwentyRowsAndSequenceOfZero_EmptyResultSet()58        {59            var rs = Initialize().rs;60            var initColumnCount = rs.Columns.Count;61            var resolver = new ListSequenceResolver<DateTime>(new ListSequenceResolverArgs(new List<IScalarResolver>()));62            var combination = new CartesianProductSequenceCombination(resolver);63            combination.Execute(rs);64            Assert.That(rs.Columns.Count, Is.EqualTo(initColumnCount + 1));65            Assert.That(rs.Rows.Count, Is.EqualTo(0));66        }67        [Test()]68        public void Execute_EmptyResultSetAndSequenceOfTwo_EmptyResultSet()69        {70            var (rs, resolver) = Initialize();71            rs.Table.Clear();72            rs.Table.AcceptChanges();73            var initColumnCount = rs.Columns.Count;74            var combination = new CartesianProductSequenceCombination(resolver);75            combination.Execute(rs);76            Assert.That(rs.Columns.Count, Is.EqualTo(initColumnCount + 1));77            Assert.That(rs.Rows.Count, Is.EqualTo(0));78        }79    }80}...

SequenceCombinationResultSetResolver.cs

Source:SequenceCombinationResultSetResolver.cs

...20                throw new InvalidOperationException();21            var rs = Initialize(Args.Resolvers.First());22            foreach (var resolver in Args.Resolvers.Skip(1))23            {24                var cartesianProduct = new CartesianProductSequenceCombination(resolver);25                cartesianProduct.Execute(rs);26            }27            return rs;28        }29        30        private ResultSet Initialize(ISequenceResolver resolver)31        {32            var dataTable = new DataTable();33            var newColumn = new DataColumn($"Column{dataTable.Columns.Count}", typeof(object));34            dataTable.Columns.Add(newColumn);35            var sequence = resolver.Execute();36            foreach (var item in sequence)37            {38                var newRow = dataTable.NewRow();...

CartesianProductSequenceCombination.cs

Source:CartesianProductSequenceCombination.cs

...7using System.Text;8using System.Threading.Tasks;9namespace NBi.Core.ResultSet.Combination10{11    class CartesianProductSequenceCombination12    {13        private ISequenceResolver Resolver { get; }14        public CartesianProductSequenceCombination(ISequenceResolver resolver)15            => Resolver = resolver;16        public IResultSet Execute(IResultSet rs)17        {18            var newColumn = new DataColumn($"Column{rs.Columns.Count}", typeof(object));19            rs.Columns.Add(newColumn);20            var sequence = Resolver.Execute();21            if (sequence.Count == 0 || rs.Columns.Count == 1)22            {23                rs.Table.Clear();24            }25            else26            {27                var firstItem = sequence[0];28                foreach (DataRow row in rs.Rows)...