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How to use NCalcExtendEngine class of NBi.Core.ResultSet.Alteration.Extension package

Best NBi code snippet using NBi.Core.ResultSet.Alteration.Extension.NCalcExtendEngine

NCalcExtendEngineTest.cs

Source:NCalcExtendEngineTest.cs

...14using System.Text;15using System.Threading.Tasks;16namespace NBi.Testing.Core.ResultSet.Alteration.Extension17{18    public class NCalcExtendEngineTest19    {20        [Test]21        public void Execute_StandardRsColumnOrdinal_CorrectExtension()22        {23            var args = new ObjectsResultSetResolverArgs(new[] { new object[] { "Alpha", 1, 2 }, new object[] { "Beta", 3, 2 }, new object[] { "Gamma", 5, 7 } });24            var resolver = new ObjectsResultSetResolver(args);25            var rs = resolver.Execute();26            var extender = new NCalcExtendEngine(27                new ServiceLocator(),28                new Context(null),29                new ColumnOrdinalIdentifier(3),30                "[#1] * [#2]"31                );32            var newRs = extender.Execute(rs);33            Assert.That(newRs.Columns.Count, Is.EqualTo(4));34            Assert.That(newRs.Rows[0][3], Is.EqualTo(2));35            Assert.That(newRs.Rows[1][3], Is.EqualTo(6));36            Assert.That(newRs.Rows[2][3], Is.EqualTo(35));37        }38        [Test]39        public void Execute_StandardRsColumnName_CorrectExtension()40        {41            var args = new ObjectsResultSetResolverArgs(new[] { new object[] { "Alpha", 1, 2 }, new object[] { "Beta", 3, 2 }, new object[] { "Gamma", 5, 7 } });42            var resolver = new ObjectsResultSetResolver(args);43            var rs = resolver.Execute();44            rs.Columns[0].ColumnName = "a";45            rs.Columns[1].ColumnName = "b";46            rs.Columns[2].ColumnName = "c";47            var extender = new NCalcExtendEngine(48                new ServiceLocator(),49                new Context(null),50                new ColumnNameIdentifier("d"),51                "[b] * [c]"52                );53            var newRs = extender.Execute(rs);54            Assert.That(newRs.Columns.Count, Is.EqualTo(4));55            Assert.That(newRs.Columns[3].ColumnName, Is.EqualTo("d"));56            Assert.That(newRs.Rows[0][3], Is.EqualTo(2));57            Assert.That(newRs.Rows[1][3], Is.EqualTo(6));58            Assert.That(newRs.Rows[2][3], Is.EqualTo(35));59        }60        [Test]61        public void Execute_StandardRsColumnNameAndVariable_CorrectExtension()62        {63            var args = new ObjectsResultSetResolverArgs(new[] { new object[] { "Alpha", 1, 2 }, new object[] { "Beta", 3, 2 }, new object[] { "Gamma", 5, 7 } });64            var resolver = new ObjectsResultSetResolver(args);65            var rs = resolver.Execute();66            rs.Columns[0].ColumnName = "a";67            rs.Columns[1].ColumnName = "b";68            rs.Columns[2].ColumnName = "c";69            var extender = new NCalcExtendEngine(70                new ServiceLocator(),71                new Context(new Dictionary<string, IVariable> { { "myVar", new GlobalVariable(new LiteralScalarResolver<decimal>(2)) } }),72                new ColumnNameIdentifier("d"),73                "[@myVar] * [b] * [c]"74                );75            var newRs = extender.Execute(rs);76            Assert.That(newRs.Columns.Count, Is.EqualTo(4));77            Assert.That(newRs.Columns[3].ColumnName, Is.EqualTo("d"));78            Assert.That(newRs.Rows[0][3], Is.EqualTo(4));79            Assert.That(newRs.Rows[1][3], Is.EqualTo(12));80            Assert.That(newRs.Rows[2][3], Is.EqualTo(70));81        }82        [Test]83        [TestCase(1000)]84        [TestCase(10000)]85        [Retry(3)]86        public void Execute_ManyTimes_Performances(int count)87        {88            var rows = new List<object[]>();89            for (int i = 0; i < count; i++)90                rows.Add(new object[] { i, i + 1 });91            var args = new ObjectsResultSetResolverArgs(rows.ToArray());92            var resolver = new ObjectsResultSetResolver(args);93            var rs = resolver.Execute();94            rs.Columns[0].ColumnName = "a";95            rs.Columns[1].ColumnName = "b";96            var stopWatch = new Stopwatch();97            stopWatch.Start();98            var extender = new NCalcExtendEngine(99                new ServiceLocator(),100                new Context(null),101                new ColumnNameIdentifier("c"),102                "[b] - [a] + Max(a,b) - Sin(a)"103                );104            var newRs = extender.Execute(rs);105            stopWatch.Stop();106            Assert.That(stopWatch.ElapsedMilliseconds, Is.LessThanOrEqualTo(5000));107        }108    }109}...

ExtensionFactoryTest.cs

Source:ExtensionFactoryTest.cs

...14{15    public class ExtensionFactoryTest16    {17        [Test]18        public void Instantiate_ExtendArgsNCalc_NCalcExtendEngine()19        {20            var factory = new ExtensionFactory(null, new Context(null));21            var extender = factory.Instantiate(new ExtendArgs(22                new ColumnOrdinalIdentifier(1),23                "a+b*c",24                LanguageType.NCalc25                ));26            Assert.That(extender, Is.Not.Null);27            Assert.That(extender, Is.TypeOf<NCalcExtendEngine>());28        }29        [Test]30        public void Instantiate_ExtendArgsNative_NativeExtendEngine()31        {32            var factory = new ExtensionFactory(null, new Context(null));33            var extender = factory.Instantiate(new ExtendArgs(34                new ColumnOrdinalIdentifier(1),35                "[A] | dateTime-to-date | dateTime-to-add(00:15:00, [B])",36                LanguageType.Native37                ));38            Assert.That(extender, Is.Not.Null);39            Assert.That(extender, Is.TypeOf<NativeExtendEngine>());40        }41    }...

NCalcExtendEngine.cs

Source:NCalcExtendEngine.cs

...9using System.Text;10using System.Threading.Tasks;11namespace NBi.Core.ResultSet.Alteration.Extension12{13    class NCalcExtendEngine : AbstractExtendEngine14    {15        public NCalcExtendEngine(ServiceLocator serviceLocator, Context context, IColumnIdentifier newColumn, string code)16            : base(serviceLocator, context, newColumn, code) { }17        protected override IResultSet Execute(IResultSet rs, int ordinal)18        {19            foreach (DataRow row in rs.Rows)20            {21                Context.Switch(row);22                var args = new NCalcScalarResolverArgs(Code, Context);23                var resolver = new NCalcScalarResolver<object>(args);24                row[ordinal] = resolver.Execute();25            }26            return rs;27        }28    }29}...

NCalcExtendEngine

Using AI Code Generation

1using System;2using System.Data;3using NBi.Core.Calculation;4using NBi.Core.ResultSet.Alteration.Extension;5using NBi.Core.ResultSet.Alteration.Extension.NCalc;6{7    static void Main(string[] args)8    {9        var engine = new NCalcExtendEngine();10        var dt = new DataTable();11        dt.Columns.Add("A", typeof(int));12        dt.Columns.Add("B", typeof(int));13        dt.Columns.Add("C", typeof(int));14        dt.Columns.Add("D", typeof(int));15        var row = dt.NewRow();16        row["A"] = 1;17        row["B"] = 2;18        row["C"] = 3;19        row["D"] = 4;20        dt.Rows.Add(row);21        row = dt.NewRow();22        row["A"] = 10;23        row["B"] = 20;24        row["C"] = 30;25        row["D"] = 40;26        dt.Rows.Add(row);27        row = dt.NewRow();28        row["A"] = 100;29        row["B"] = 200;30        row["C"] = 300;31        row["D"] = 400;32        dt.Rows.Add(row);33        var command = new ExtendCommand();34        command.Expression = "A+B+C+D";35        command.TargetColumn = "Sum";36        var result = engine.Execute(dt, command);37        foreach (DataRow r in result.Rows)38        {39            Console.WriteLine(r["Sum"]);40        }41    }42}43using System;44using System.Data;45using NBi.Core.Calculation;46using NBi.Core.ResultSet.Alteration.Extension;47using NBi.Core.ResultSet.Alteration.Extension.NCalc;48{49    static void Main(string[] args)50    {51        var engine = new NCalcExtendEngine();52        var dt = new DataTable();53        dt.Columns.Add("A", typeof(int));54        dt.Columns.Add("B", typeof(int));55        dt.Columns.Add("C", typeof(int));56        dt.Columns.Add("D", typeof(int));

NCalcExtendEngine

Using AI Code Generation

1var engine = new NCalcExtendEngine();2var result = engine.Evaluate("1+2");3var engine = new NCalcExtendEngine();4var result = engine.Evaluate("1+2");5var engine = new NCalcExtendEngine();6var result = engine.Evaluate("1+2");7var engine = new NCalcExtendEngine();8var result = engine.Evaluate("1+2");9var engine = new NCalcExtendEngine();10var result = engine.Evaluate("1+2");11var engine = new NCalcExtendEngine();12var result = engine.Evaluate("1+2");13var engine = new NCalcExtendEngine();14var result = engine.Evaluate("1+2");15var engine = new NCalcExtendEngine();16var result = engine.Evaluate("1+2");17var engine = new NCalcExtendEngine();18var result = engine.Evaluate("1+2");19var engine = new NCalcExtendEngine();20var result = engine.Evaluate("1+2");21var engine = new NCalcExtendEngine();22var result = engine.Evaluate("1+2");

NCalcExtendEngine

Using AI Code Generation

1using NBi.Core.ResultSet.Alteration.Extension;2using System.Data;3using System.Collections.Generic;4var engine = new NCalcExtendEngine();5var result = engine.Execute(new DataTable(), new Dictionary<string, object>(), "1+1");6Console.WriteLine(result);

NCalcExtendEngine

Using AI Code Generation

1NCalcExtendEngine nCalcExtendEngine = new NCalcExtendEngine();2ResultSet resultSet = new ResultSet();3ColumnInfo columnInfo = new ColumnInfo();4columnInfo.Name = "NewColumn";5columnInfo.Type = ColumnType.Text;6resultSet.Columns.Add(columnInfo);7Row row = new Row();8row[columnInfo] = "value1";9row[columnInfo] = "value2";10resultSet.Rows.Add(row);11nCalcExtendEngine.Execute("NewColumn=Column1", resultSet);12foreach (Row row in resultSet.Rows)13{14    Console.WriteLine(row[resultSet.Columns[1]]);15}16NCalcExtendEngine nCalcExtendEngine = new NCalcExtendEngine();17ResultSet resultSet = new ResultSet();18ColumnInfo columnInfo1 = new ColumnInfo();19columnInfo1.Name = "Column1";20columnInfo1.Type = ColumnType.Text;21resultSet.Columns.Add(columnInfo1);22ColumnInfo columnInfo2 = new ColumnInfo();23columnInfo2.Name = "Column2";24columnInfo2.Type = ColumnType.Text;25resultSet.Columns.Add(columnInfo2);26Row row = new Row();27row[columnInfo1] = "value1";28row[columnInfo2] = "value2";

NCalcExtendEngine

Using AI Code Generation

1var nCalcExtendEngine = new NCalcExtendEngine();2var result = nCalcExtendEngine.Execute("1+1", new Dictionary<string, object>());3var nCalcExtendEngine = new NCalcExtendEngine();4var result = nCalcExtendEngine.Execute("1+1", new Dictionary<string, object>());5var nCalcExtendEngine = new NCalcExtendEngine();6var result = nCalcExtendEngine.Execute("1+1", new Dictionary<string, object>());7var nCalcExtendEngine = new NCalcExtendEngine();8var result = nCalcExtendEngine.Execute("1+1", new Dictionary<string, object>());9var nCalcExtendEngine = new NCalcExtendEngine();10var result = nCalcExtendEngine.Execute("1+1", new Dictionary<string, object>());11var nCalcExtendEngine = new NCalcExtendEngine();12var result = nCalcExtendEngine.Execute("1+1", new Dictionary<string, object>());13var nCalcExtendEngine = new NCalcExtendEngine();14var result = nCalcExtendEngine.Execute("1+1", new Dictionary<string, object>());15var nCalcExtendEngine = new NCalcExtendEngine();16var result = nCalcExtendEngine.Execute("1+1", new Dictionary<string, object>());

NCalcExtendEngine

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.Extension;7using NBi.Core.ResultSet;8using System.Data;9using NBi.Core.Calculation;10using NBi.Core.Calculation.Predication;11{12    {13        static void Main(string[] args)14        {15            NCalcExtendEngine nCalcExtendEngine = new NCalcExtendEngine();16            DataTable dt = new DataTable();17            dt.Columns.Add("A");18            dt.Rows.Add(1);19            ResultSet rs = new ResultSet(dt);20            ColumnIdentifier ci = new ColumnIdentifier("A");21            CalculatedColumn cc = new CalculatedColumn(ci, "A * 10");22            nCalcExtendEngine.AddColumn(cc);23            nCalcExtendEngine.Execute(rs);24            Console.WriteLine(rs.Tables[0].Rows[0][0].ToString());25            Console.ReadLine();26        }27    }28}29using System;30using System.Collections.Generic;31using System.Linq;32using System.Text;33using System.Threading.Tasks;34using NBi.Core.ResultSet.Alteration.Extension;35using NBi.Core.ResultSet;36using System.Data;37using NBi.Core.Calculation;38using NBi.Core.Calculation.Predication;39{40    {41        static void Main(string[] args)42        {

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