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How to use Transform method of NBi.Core.Transformation.TransformationProvider class

Best NBi code snippet using NBi.Core.Transformation.TransformationProvider.Transform

TransformationProviderTest.cs

Source:TransformationProviderTest.cs

1ï»¿using Moq;2using NBi.Core.Injection;3using NBi.Core.ResultSet;4using NBi.Core.Transformation;5using NBi.Core.Transformation.Transformer.Native;6using NBi.Core.Variable;7using NUnit.Framework;8using System;9using System.Collections.Generic;10using System.Linq;11using System.Text;12using System.Threading.Tasks;13namespace NBi.Testing.Core.Transformation14{15    [TestFixture]16    public class TransformationProviderTest17    {18        [Test]19        public void Transform_SimpleTranformation_CorrectHandlingOfColumnNames()20        {21            var resultSet = new NBi.Core.ResultSet.ResultSet();22            resultSet.Load("aaaa;10");23            resultSet.Columns[0].ColumnName = "MyCol0";24            resultSet.Columns[1].ColumnName = "MyCol1";25            var transformation = Mock.Of<ITransformationInfo>26                (27                    t => t.Language == LanguageType.CSharp28                    && t.OriginalType == ColumnType.Text29                    && t.Code == "value.Substring(0,1)"30                );31            var provider = new TransformationProvider(new ServiceLocator(), Context.None);32            provider.Add(new ColumnOrdinalIdentifier(0), transformation);33            provider.Transform(resultSet);34            Assert.That(resultSet.Columns[0].ColumnName, Is.EqualTo("MyCol0"));35            Assert.That(resultSet.Columns[1].ColumnName, Is.EqualTo("MyCol1"));36            Assert.That(resultSet.Columns.Count, Is.EqualTo(2));37        }38        [Test]39        public void Transform_SimpleTranformation_Correct()40        {41            var resultSet = new NBi.Core.ResultSet.ResultSet();42            resultSet.Load("aaaa;10");43            var transformation = Mock.Of<ITransformationInfo>44                (45                    t => t.Language == LanguageType.CSharp46                    && t.OriginalType == ColumnType.Text47                    && t.Code == "value.Substring(0,1)"48                );49            var provider = new TransformationProvider(new ServiceLocator(), Context.None);50            provider.Add(new ColumnOrdinalIdentifier(0), transformation);51            provider.Transform(resultSet);52            Assert.That(resultSet.Rows[0][0], Is.EqualTo("a"));53        }54        [Test]55        public void Transform_NativeTranformationTrim_Correct()56        {57            var resultSet = new NBi.Core.ResultSet.ResultSet();58            resultSet.Load(" aaaa  ;10");59            var transformation = Mock.Of<ITransformationInfo>60                (61                    t => t.Language == LanguageType.Native62                    && t.OriginalType == ColumnType.Text63                    && t.Code == "text-to-trim"64                );65            var provider = new TransformationProvider(new ServiceLocator(), Context.None);66            provider.Add(new ColumnOrdinalIdentifier(0), transformation);67            provider.Transform(resultSet);68            Assert.That(resultSet.Rows[0][0], Is.EqualTo("aaaa"));69        }70        [Test]71        public void Transform_NativeTranformationFirstCharWithContext_Correct()72        {73            var resultSet = new NBi.Core.ResultSet.ResultSet();74            resultSet.Load(new[] { new object[] { "123456789", 6 }, new object[] { "abcdefgh", 2 } });75            var transformation = Mock.Of<ITransformationInfo>76                (77                    t => t.Language == LanguageType.Native78                    && t.OriginalType == ColumnType.Text79                    && t.Code == "text-to-first-chars(#1)"80                );81            var provider = new TransformationProvider(new ServiceLocator(), Context.None);82            provider.Add(new ColumnOrdinalIdentifier(0), transformation);83            provider.Transform(resultSet);84            Assert.That(resultSet.Rows[0][0], Is.EqualTo("123456"));85            Assert.That(resultSet.Rows[1][0], Is.EqualTo("ab"));86        }87        [Test]88        public void Transform_NativeTranformationBlankToNull_Correct()89        {90            var resultSet = new NBi.Core.ResultSet.ResultSet();91            resultSet.Load("\t;10");92            var transformation = Mock.Of<ITransformationInfo>93                (94                    t => t.Language == LanguageType.Native95                    && t.OriginalType == ColumnType.Text96                    && t.Code == "blank-to-null"97                );98            var provider = new TransformationProvider(new ServiceLocator(), Context.None);99            provider.Add(new ColumnOrdinalIdentifier(0), transformation);100            provider.Transform(resultSet);101            Assert.That(resultSet.Rows[0][0], Is.EqualTo("(null)"));102        }103        [Test]104        public void Transform_NativeTranformationUnknown_Exception()105        {106            var resultSet = new NBi.Core.ResultSet.ResultSet();107            resultSet.Load("\t;10");108            var transformation = Mock.Of<ITransformationInfo>109                (110                    t => t.Language == LanguageType.Native111                    && t.OriginalType == ColumnType.Text112                    && t.Code == "unknown"113                );114            var provider = new TransformationProvider(new ServiceLocator(), null);115            Assert.Throws<NotImplementedTransformationException>(() => provider.Add(new ColumnOrdinalIdentifier(0), transformation));116        }117        [Test]118        public void Transform_TypeSwitch_Correct()119        {120            var resultSet = new NBi.Core.ResultSet.ResultSet();121            var obj = new object[] { new DateTime(2016,10,1) };122            resultSet.Load(Enumerable.Repeat(obj,1));123            var transformation = Mock.Of<ITransformationInfo>124                (125                    t => t.Language == LanguageType.CSharp126                    && t.OriginalType == ColumnType.DateTime127                    && t.Code == "value.Month + (value.Year-2000)*12"128                );129            var provider = new TransformationProvider(new ServiceLocator(), Context.None);130            provider.Add(new ColumnOrdinalIdentifier(0), transformation);131            provider.Transform(resultSet);132            Assert.That(resultSet.Rows[0][0], Is.EqualTo(202));133        }134    }135}...

ResultSetEqualToBuilder.cs

Source:ResultSetEqualToBuilder.cs

...5using NBi.NUnit.ResultSetComparison;6using NBi.Xml.Constraints;7using NBi.Xml.Items;8using NBi.Xml.Systems;9using NBi.Core.Transformation;10using NBi.Core.ResultSet.Equivalence;11using NBi.NUnit.Builder.Helper;12using NBi.Xml.Settings;13using NBi.Core.Variable;14namespace NBi.NUnit.Builder15{16    class ResultSetEqualToBuilder : AbstractResultSetBuilder17    {18        protected EqualToXml ConstraintXml { get; set; }19        protected virtual EquivalenceKind EquivalenceKind20            { get => EquivalenceKind.EqualTo; }21        public ResultSetEqualToBuilder()22        { }23        protected override void SpecificSetup(AbstractSystemUnderTestXml sutXml, AbstractConstraintXml ctrXml)24        {25            if (!(ctrXml is EqualToXml))26                throw new ArgumentException("Constraint must be a 'EqualToXml'");27            ConstraintXml = (EqualToXml)ctrXml;28        }29        protected override void SpecificBuild()30        {31            Constraint = InstantiateConstraint();32        }33        protected NBiConstraint InstantiateConstraint()34        {35            BaseResultSetComparisonConstraint ctr = null;36            //Manage transformations37            var transformationProvider = new TransformationProvider(ServiceLocator, new Context(Variables));38            foreach (var columnDef in ConstraintXml.ColumnsDef)39            {40                if (columnDef.Transformation != null)41                    transformationProvider.Add(columnDef.Identifier, columnDef.Transformation);42            }43            if (ConstraintXml.BaseItem is QueryXml)44                ctr = InstantiateConstraint(((QueryXml)(ConstraintXml.BaseItem)), ConstraintXml.Settings, transformationProvider);45            else if (ConstraintXml.ResultSetOld != null)46                ctr = InstantiateConstraint(ConstraintXml.ResultSetOld, ConstraintXml.Settings, transformationProvider);47            else if (ConstraintXml.ResultSet != null)48                ctr = InstantiateConstraint(ConstraintXml.ResultSet, ConstraintXml.Settings);49            else if (ConstraintXml.XmlSource != null)50                ctr = InstantiateConstraint(ConstraintXml.XmlSource, ConstraintXml.Settings, transformationProvider);51            if (ctr == null)52                throw new ArgumentException();53            //Manage settings for comparaison54            var builder = new SettingsEquivalerBuilder();55            if (ConstraintXml.Behavior == EqualToXml.ComparisonBehavior.SingleRow)56            {57                builder.Setup(false);58                builder.Setup(ConstraintXml.ValuesDefaultType, ConstraintXml.Tolerance);59                builder.Setup(ConstraintXml.ColumnsDef);60            }61            else62            {63                builder.Setup(ConstraintXml.KeysDef, ConstraintXml.ValuesDef);64                builder.Setup(65                    ConstraintXml.KeyName?.Replace(" ", "").Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries).Distinct(),66                    ConstraintXml.ValueName?.Replace(" ", "").Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries).Distinct());67                builder.Setup(ConstraintXml.ValuesDefaultType, ConstraintXml.Tolerance);68                builder.Setup(ConstraintXml.ColumnsDef);69            }70            builder.Build();71            var settings = builder.GetSettings();72            var factory = new EquivalerFactory();73            var comparer = factory.Instantiate(settings, EquivalenceKind);74            ctr = ctr.Using(comparer);75            ctr = ctr.Using(settings);76            //Manage parallelism77            if (ConstraintXml.ParallelizeQueries)78                ctr = ctr.Parallel();79            else80                ctr = ctr.Sequential();81            return ctr;82        }83        protected virtual BaseResultSetComparisonConstraint InstantiateConstraint(ResultSetSystemXml xml, SettingsXml settings)84        {85            xml.Settings = settings;86            var builder = new ResultSetServiceBuilder();87            var helper = new ResultSetSystemHelper(ServiceLocator, SettingsXml.DefaultScope.Assert, Variables);88            builder.Setup(helper.InstantiateResolver(xml));89            builder.Setup(helper.InstantiateAlterations(xml));90            var service = builder.GetService();91            return InstantiateConstraint(service);92        }93        protected virtual BaseResultSetComparisonConstraint InstantiateConstraint(object obj, SettingsXml settings, TransformationProvider transformation)94        {95            var argsBuilder = new ResultSetResolverArgsBuilder(ServiceLocator);96            argsBuilder.Setup(obj, settings, SettingsXml.DefaultScope.Assert, Variables);97            argsBuilder.Build();98            var factory = ServiceLocator.GetResultSetResolverFactory();99            var resolver = factory.Instantiate(argsBuilder.GetArgs());100            var serviceBuilder = new ResultSetServiceBuilder();101            serviceBuilder.Setup(resolver);102            if (transformation != null)103                serviceBuilder.Setup(transformation.Transform);104            var service = serviceBuilder.GetService();105            return InstantiateConstraint(service);106        }107        protected virtual BaseResultSetComparisonConstraint InstantiateConstraint(IResultSetService service)108            => new EqualToConstraint(service);109    }110}...

TransformationProvider.cs

Source:TransformationProvider.cs

...8using System.Diagnostics;9using System.Linq;10using System.Text;11using System.Threading.Tasks;12namespace NBi.Core.Transformation13{14    public class TransformationProvider15    {16        private IDictionary<IColumnIdentifier, ITransformer> cacheTransformers;17        private readonly TransformerFactory factory;18        private Context Context { get; }19        public TransformationProvider(ServiceLocator serviceLocator, Context context)20        {21            cacheTransformers = new Dictionary<IColumnIdentifier, ITransformer>();22            factory = new TransformerFactory(serviceLocator, context);23            Context = context;24        }25        public void Add(IColumnIdentifier indentifier, ITransformationInfo transfo)26        {27            var transformer = factory.Instantiate(transfo);28            transformer.Initialize(transfo.Code);29            if (cacheTransformers.ContainsKey(indentifier))30                throw new NBiException($"You can't define two transformers for the same column. The column {indentifier.Label} has already another transformer specified.");31            cacheTransformers.Add(indentifier, transformer);32        }33        public virtual IResultSet Transform(IResultSet resultSet)34        {35            foreach (var identifier in cacheTransformers.Keys)36            {37                var tsStart = DateTime.Now;38                var transformer = cacheTransformers[identifier];39                var newColumn = new DataColumn() { DataType = typeof(object) };40                resultSet.Table.Columns.Add(newColumn);41                var ordinal = (identifier as ColumnOrdinalIdentifier)?.Ordinal ?? resultSet.Table.Columns[(identifier as ColumnNameIdentifier).Name].Ordinal;42                var originalName = resultSet.Table.Columns[ordinal].ColumnName;43                foreach (DataRow row in resultSet.Table.Rows)44                {45                    Context.Switch(row);46                    row[newColumn.Ordinal] = transformer.Execute(row[ordinal]);47                }48                resultSet.Table.Columns.RemoveAt(ordinal);49                newColumn.SetOrdinal(ordinal);50                newColumn.ColumnName = originalName;51                Trace.WriteLineIf(NBiTraceSwitch.TraceInfo, string.Format("Time needed to transform column {0}: {1}", identifier.Label, DateTime.Now.Subtract(tsStart).ToString(@"d\d\.hh\h\:mm\m\:ss\s\ \+fff\m\s")));52            }...

Transform

Using AI Code Generation

1var provider = new NBi.Core.Transformation.TransformationProvider();2var result = provider.Transform("1", "1", "1", "1", "1", "1", "1", "1", "1");3Console.WriteLine(result);4var provider = new NBi.Core.Transformation.TransformationProvider();5var result = provider.Transform("1", "1", "1", "1", "1", "1", "1", "1", "1");6Console.WriteLine(result);7var provider = new NBi.Core.Transformation.TransformationProvider();8var result = provider.Transform("1", "1", "1", "1", "1", "1", "1", "1", "1");9Console.WriteLine(result);10var provider = new NBi.Core.Transformation.TransformationProvider();11var result = provider.Transform("1", "1", "1", "1", "1", "1", "1", "1", "1");12Console.WriteLine(result);13var provider = new NBi.Core.Transformation.TransformationProvider();14var result = provider.Transform("1", "1", "1", "1", "1", "1", "1", "1", "1");15Console.WriteLine(result);16var provider = new NBi.Core.Transformation.TransformationProvider();17var result = provider.Transform("1", "1", "1", "1", "1", "1", "1", "1", "1");18Console.WriteLine(result);19var provider = new NBi.Core.Transformation.TransformationProvider();20var result = provider.Transform("1", "1", "1", "1", "1", "1", "1", "1", "1");21Console.WriteLine(result);

Transform

Using AI Code Generation

1var transformationProvider = new TransformationProvider();2var result = transformationProvider.Transform("1", new TransformationInfo("Trim"));3Console.WriteLine(result);4var transformationProvider = new TransformationProvider();5var result = transformationProvider.Transform("1", new TransformationInfo("Trim"));6Console.WriteLine(result);7var transformationProvider = new TransformationProvider();8var result = transformationProvider.Transform("1", new TransformationInfo("Trim"));9Console.WriteLine(result);10var transformationProvider = new TransformationProvider();11var result = transformationProvider.Transform("1", new TransformationInfo("Trim"));12Console.WriteLine(result);13var transformationProvider = new TransformationProvider();14var result = transformationProvider.Transform("1", new TransformationInfo("Trim"));15Console.WriteLine(result);16var transformationProvider = new TransformationProvider();17var result = transformationProvider.Transform("1", new TransformationInfo("Trim"));18Console.WriteLine(result);19var transformationProvider = new TransformationProvider();20var result = transformationProvider.Transform("1", new TransformationInfo("Trim"));21Console.WriteLine(result);22var transformationProvider = new TransformationProvider();23var result = transformationProvider.Transform("1", new TransformationInfo("Trim"));24Console.WriteLine(result);25var transformationProvider = new TransformationProvider();26var result = transformationProvider.Transform("1", new TransformationInfo("Trim"));27Console.WriteLine(result);28var transformationProvider = new TransformationProvider();29var result = transformationProvider.Transform("1", new TransformationInfo("Trim"));30Console.WriteLine(result);

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