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How to use TransformationProvider class of NBi.Core.Transformation package

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

TransformationProviderTest.cs

Source:TransformationProviderTest.cs

...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

...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)...

TransformationProvider.cs

Source:TransformationProvider.cs

...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)...

TransformationProvider

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using NBi.Core.Transformation;7using NBi.Core.Transformation.Transformer.Native;8{9    {10        public string Apply(string input, string transformation)11        {12            var provider = new NativeTransformationProvider();13            var transformationArgs = new TransformationArgs(transformation, string.Empty);14            var result = provider.Execute(input, transformationArgs);15            return result;16        }17    }18}19using System;20using System.Collections.Generic;21using System.Linq;22using System.Text;23using System.Threading.Tasks;24using NBi.Core.Transformation;25using NBi.Core.Transformation.Transformer.Native;26{27    {28        public string Apply(string input, string transformation)29        {30            var factory = new NativeTransformationFactory();31            var transformationArgs = new TransformationArgs(transformation, string.Empty);32            var result = factory.Instantiate(transformationArgs).Execute(input, transformationArgs);33            return result;34        }35    }36}37using System;38using System.Collections.Generic;39using System.Linq;40using System.Text;41using System.Threading.Tasks;42using NBi.Core.Transformation;43using NBi.Core.Transformation.Transformer.Native;44{45    {46        public string Apply(string input, string transformation)47        {48            var factory = new NativeTransformationFactory();49            var transformationArgs = new TransformationArgs(transformation, string.Empty);50            var result = factory.Instantiate(transformationArgs).Execute(input, transformationArgs);51            return result;52        }53    }54}55using System;56using System.Collections.Generic;57using System.Linq;58using System.Text;59using System.Threading.Tasks;60using NBi.Core.Transformation;61using NBi.Core.Transformation.Transformer.Native;62{63    {64        public string Apply(string input, string transformation)65        {66            var factory = new NativeTransformationFactory();67            var transformationArgs = new TransformationArgs(transformation

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