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How to use Execute method of NBi.Core.Calculation.RowValueExtractor class

Best NBi code snippet using NBi.Core.Calculation.RowValueExtractor.Execute

RowValueExtractor.cs

Source:RowValueExtractor.cs

...17    {18        private ServiceLocator ServiceLocator { get; }19        public RowValueExtractor(ServiceLocator serviceLocator)20            => (ServiceLocator) = (serviceLocator);21        public object Execute(Context context, IColumnIdentifier identifier)22        {23            if (identifier is ColumnOrdinalIdentifier)24            {25                var ordinal = (identifier as ColumnOrdinalIdentifier).Ordinal;26                if (ordinal <= context.CurrentRow.Table.Columns.Count)27                    return context.CurrentRow.ItemArray[ordinal];28                else29                    throw new ArgumentException($"The variable of the predicate is identified as '{identifier.Label}' but the column in position '{ordinal}' doesn't exist. The dataset only contains {context.CurrentRow.Table.Columns.Count} columns.");30            }31            var name = (identifier as ColumnNameIdentifier).Name;32            var alias = context.Aliases?.SingleOrDefault(x => string.Equals(x.Name, name, StringComparison.OrdinalIgnoreCase));33            if (alias != null)34                return context.CurrentRow.ItemArray[alias.Column];35            var expression = context.Expressions?.SingleOrDefault(x => string.Equals(x.Name, name, StringComparison.OrdinalIgnoreCase));36            if (expression != null)37            {38                var result = EvaluateExpression(expression, context);39                var expColumnName = $"exp::{name}";40                if (!context.CurrentRow.Table.Columns.Contains(expColumnName))41                {42                    var newColumn = new DataColumn(expColumnName, typeof(object));43                    context.CurrentRow.Table.Columns.Add(newColumn);44                }45                context.CurrentRow[expColumnName] = result;46                return result;47            }48            var column = context.CurrentRow.Table.Columns.Cast<DataColumn>().SingleOrDefault(x => string.Equals(x.ColumnName, name, StringComparison.OrdinalIgnoreCase));49            if (column != null)50                return context.CurrentRow[column.ColumnName];51            var existingNames = context.CurrentRow.Table.Columns.Cast<DataColumn>().Select(x => x.ColumnName)52                .Union(context.Aliases.Select(x => x.Name)53                .Union(context.Expressions.Select(x => x.Name)));54            throw new ArgumentException($"The value '{name}' is not recognized as a column position, a column name, a column alias or an expression. Possible arguments are: '{string.Join("', '", existingNames.ToArray())}'");55        }56        protected object EvaluateExpression(IColumnExpression expression, Context context)57        {58            if (expression.Language == LanguageType.NCalc)59            {60                var exp = new NCalc.Expression(expression.Value);61                var factory = new ColumnIdentifierFactory();62                exp.EvaluateParameter += delegate (string name, NCalc.ParameterArgs args)63                {64                    args.Result = name.StartsWith("@")65                        ? context.Variables[name.Substring(1, name.Length-1)].GetValue()66                        : Execute(context, factory.Instantiate(name));67                };68                return exp.Evaluate();69            }70            else if (expression.Language == LanguageType.Native)71            {72                var parse = expression.Value.Split(new[] { '|' }, StringSplitOptions.RemoveEmptyEntries);73                var variable = new ColumnIdentifierFactory().Instantiate(parse.ElementAt(0));74                var value = Execute(context, variable);75                foreach (var nativeFunction in parse.Skip(1))76                {77                    var factory = new NativeTransformationFactory(ServiceLocator, context);78                    var transformation = factory.Instantiate(nativeFunction);79                    value = transformation.Evaluate(value);80                }81                82                return value;83            }84            else85                throw new ArgumentOutOfRangeException($"The language {expression.Language} is not supported during the evaluation of an expression.");86        }87        private class TransformationInfo : ITransformationInfo88        {...

SinglePredication.cs

Source:SinglePredication.cs

...17        public IColumnIdentifier Operand { get; }18        protected internal RowValueExtractor Extractor { get; } = new RowValueExtractor(new ServiceLocator());19        public SinglePredication(IPredicate predicate, IColumnIdentifier operand)20            => (Predicate, Operand) = (predicate, operand);21        public bool Execute(Context context)22            => Predicate.Execute(Extractor.Execute(context, Operand));23        public virtual string Describe()24        {25            var sb = new StringBuilder();26            sb.Append(Operand.Label);27            sb.Append(" ");28            sb.Append(Predicate.ToString());29            sb.Append(".");30            return sb.ToString();31        }32    }33    class TruePredication : IPredication34    {35        public TruePredication()36        { }37        public bool Execute(Context context)38            => true;39        public string Describe()40            => "Always true.";41    }42}...

Execute

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using NBi.Core.Calculation;7{8    {9        static void Main(string[] args)10        {11            var extractor = new RowValueExtractor();12            var result = extractor.Execute("([A-Z]{3})-(\\d{3})", "ABC-123");13            foreach (var v in result)14            {15                Console.WriteLine(v);16            }17            Console.ReadLine();18        }19    }20}

Execute

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using NBi.Core.Calculation;7{8    {9        static void Main(string[] args)10        {11            RowValueExtractor extractor = new RowValueExtractor("1;2;3;4;5;6;7;8;9;10", ';');12            var result = extractor.Execute();13            Console.WriteLine(result);14            Console.ReadLine();15        }16    }17}

Execute

Using AI Code Generation

1using System;2using System.Data;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7using NBi.Core.Calculation;8{9    {10        static void Main(string[] args)11        {12            DataTable dt = new DataTable();13            dt.Columns.Add("Id");14            dt.Columns.Add("Name");15            dt.Columns.Add("Value");16            dt.Rows.Add(1, "A", 100);17            dt.Rows.Add(1, "B", 200);18            dt.Rows.Add(2, "A", 300);19            dt.Rows.Add(2, "B", 400);20            dt.Rows.Add(3, "A", 500);21            dt.Rows.Add(3, "B", 600);22            RowValueExtractor extractor = new RowValueExtractor();23            extractor.Add(new RowValueExtractorItem("Id", "Id"));24            extractor.Add(new RowValueExtractorItem("Name", "Name"));25            extractor.Add(new RowValueExtractorItem("Value", "Value"));26            var result = extractor.Execute(dt);27            foreach (var row in result)28            {29                Console.WriteLine(row["Id"] + " " + row["Name"] + " " + row["Value"]);30            }31            Console.ReadLine();32        }33    }34}35using System;36using System.Data;37using System.Collections.Generic;38using System.Linq;39using System.Text;40using System.Threading.Tasks;41using NBi.Core.Calculation;42{43    {44        static void Main(string[] args)45        {46            DataTable dt = new DataTable();47            dt.Columns.Add("Id");48            dt.Columns.Add("Name");49            dt.Columns.Add("Value");50            dt.Rows.Add(1, "A", 100);51            dt.Rows.Add(1, "B", 200);52            dt.Rows.Add(2, "A", 300);53            dt.Rows.Add(2, "B", 400);54            dt.Rows.Add(3, "A", 500);55            dt.Rows.Add(3, "B", 600);56            RowValueExtractor extractor = new RowValueExtractor();57            extractor.Add(new RowValueExtractorItem("Id", "Id"));58            extractor.Add(new RowValueExtractorItem("Name", "Name"));59            extractor.Add(new RowValueExtractor

Execute

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using NBi.Core.Calculation;7using NBi.Core.Calculation.Predicate;8using NBi.Core.Calculation.Predicate.Boolean;9using NBi.Core.Calculation.Predicate.Numeric;10using NBi.Core.Calculation.Predicate.Text;11using NBi.Core.Calculation.Function;12{13    {14        static void Main(string[] args)15        {16            var extractor = new RowValueExtractor();17            var row = new object[] { 1, "Test", 2.5, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 };18            var index = 2;19            Console.WriteLine("Row: " + string.Join(",", row.Select(x => x.ToString())));20            Console.WriteLine("Index: " + index);21            Console.WriteLine("Value: " + extractor.Execute(row, index));22            Console.ReadLine();23        }24    }25}26public RowValueExtractor()27public object Execute(object[] row, int index)

Execute

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.Calculation;8{9    {10        static void Main(string[] args)11        {12            DataTable dt = new DataTable();13            dt.Columns.Add("ID");14            dt.Columns.Add("Name");15            dt.Columns.Add("Value");16            dt.Rows.Add("1", "First", "10");17            dt.Rows.Add("2", "Second", "20");18            dt.Rows.Add("3", "Third", "30");19            dt.Rows.Add("4", "Fourth", "40");20            dt.Rows.Add("5", "Fifth", "50");21            dt.Rows.Add("6", "Sixth", "60");22            dt.Rows.Add("7", "Seventh", "70");23            dt.Rows.Add("8", "Eighth", "80");24            dt.Rows.Add("9", "Ninth", "90");25            dt.Rows.Add("10", "Tenth", "100");26            RowValueExtractor extractor = new RowValueExtractor();27            List<RowValueExtractor> list = new List<RowValueExtractor>();28            list.Add(extractor);29            var result = extractor.Execute(dt, list);30            foreach (var item in result)31            {32                Console.WriteLine(item);33            }34            Console.Read();35        }36    }37}

Execute

Using AI Code Generation

1using NBi.Core.Calculation;2using NBi.Core.ResultSet;3using NBi.Core.ResultSet.Lookup.Violation;4using System;5using System.Collections.Generic;6using System.Data;7{8    {9        static void Main(string[] args)10        {11            var extractor = new RowValueExtractor();12            var result = extractor.Execute(lookup, new List<string>() { "Column 1", "Column 2" }, new List<string>() { "Column 3", "Column 4" });13            var violations = new List<IRowViolation>();14            foreach (DataRow row in result.Rows)15            {16                if (row["Column 1"] != row["Column 3"])17                    violations.Add(new RowViolation(row, "Column 1", "Column 3"));18                if (row["Column 2"] != row["Column 4"])19                    violations.Add(new RowViolation(row, "Column 2", "Column 4"));20            }21        }22    }23}24using NBi.Core.Calculation;25using NBi.Core.ResultSet;26using NBi.Core.ResultSet.Lookup.Violation;27using System;28using System.Collections.Generic;29using System.Data;30{31    {32        static void Main(string[] args)33        {34            var extractor = new RowValueExtractor();35            var result = extractor.Execute(lookup, new List<string>() { "Column 1", "Column 2" }, new List<string>() { "Column 3", "Column 4" });36            var violations = new List<IRowViolation>();37            foreach (DataRow row in result.Rows)

Execute

Using AI Code Generation

1var rowValueExtractor = new RowValueExtractor();2var row = new Row();3row.Add(new Cell("col1", "1"));4row.Add(new Cell("col2", "2"));5row.Add(new Cell("col3", "3"));6var result = rowValueExtractor.Execute(row, "col2");7var rowValueExtractor = new RowValueExtractor();8var row = new Row();9row.Add(new Cell("col1", "1"));10row.Add(new Cell("col2", "2"));11row.Add(new Cell("col3", "3"));12var result = rowValueExtractor.Execute(row, "col1");

Execute

Using AI Code Generation

1var extractor = new NBi.Core.Calculation.RowValueExtractor();2var result = extractor.Execute("1.xlsx", 1, 1, 1);3var extractor = new NBi.Core.Calculation.RowValueExtractor();4var result = extractor.Execute("2.xlsx", 2, 2, 2);5var extractor = new NBi.Core.Calculation.RowValueExtractor();6var result = extractor.Execute("3.xlsx", 3, 3, 3);7var extractor = new NBi.Core.Calculation.RowValueExtractor();8var result = extractor.Execute("4.xlsx", 4, 4, 4);9var extractor = new NBi.Core.Calculation.RowValueExtractor();10var result = extractor.Execute("5.xlsx", 5, 5, 5);

Execute

Using AI Code Generation

1NBi.Core.Calculation.RowValueExtractor extractor = new NBi.Core.Calculation.RowValueExtractor();2extractor.Add("column1");3extractor.Add("column2");4var result = extractor.Execute(ResultSet, "table1");5var column1Values = result["column1"];6var column2Values = result["column2"];7NBi.Core.Calculation.RowValueExtractor extractor = new NBi.Core.Calculation.RowValueExtractor();8extractor.Add("column1");9var result = extractor.Execute(ResultSet, "table1");10var column1Values = result["column1"];11NBi.Core.Calculation.RowValueExtractor extractor = new NBi.Core.Calculation.RowValueExtractor();12extractor.Add("column1");13var result = extractor.Execute(ResultSet, "table1");14var column1Values = result["column1"];15NBi.Core.ResultSet.ResultSet ResultSet = new NBi.Core.ResultSet.ResultSet();16ResultSet.Columns.Add(new NBi.Core.ResultSet.Column("column1", "System.String"));17ResultSet.Columns.Add(new NBi.Core.ResultSet.Column("column2", "System.String"));18ResultSet.Columns.Add(new NBi.Core.ResultSet.Column("column3", "System.String"));19ResultSet.Columns.Add(new NBi.Core.ResultSet.Column("column4", "System.String"));20ResultSet.Rows.Add(new NBi.Core.ResultSet

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