How to use AggregationFactory class of NBi.Core.Sequence.Transformation.Aggregation package

Best NBi code snippet using NBi.Core.Sequence.Transformation.Aggregation.AggregationFactory

SummarizeEngine.cs

Source:SummarizeEngine.cs

...24                {25                    var column = groupBy.Identifier.GetColumn(rs.Table);26                    dataTable.Columns.Add(new DataColumn(column.ColumnName, column.DataType));27                }28                var factory = new AggregationFactory();29                var aggregations = new List<Aggregation>();30                foreach (var aggregation in Args.Aggregations)31                {32                    var columnName = ExtractColumnName(rs, aggregation);33                    dataTable.Columns.Add(new DataColumn(columnName, MapType(aggregation.Function, aggregation.ColumnType)));34                    aggregations.Add(factory.Instantiate(aggregation));35                }36                var groupbyFactory = new GroupByFactory();37                var groupbyEngine = groupbyFactory.Instantiate(new ColumnGroupByArgs(Args.GroupBys, Context.None));38                var groups = groupbyEngine.Execute(rs);39                foreach (var group in groups)40                {41                    var values = new List<object>();42                    values.AddRange(group.Key.Members);...

AggregationFactoryTest.cs

Source:AggregationFactoryTest.cs

...10using System.Text;11using System.Threading.Tasks;12namespace NBi.Testing.Unit.Core.Sequence.Transformation.Aggregation13{14    public class AggregationFactoryTest15    {16        [Test]17        [TestCase(ColumnType.Numeric,   AggregationFunctionType.Sum,     typeof(SumNumeric))]18        [TestCase(ColumnType.Numeric,   AggregationFunctionType.Average,    typeof(AverageNumeric))]19        [TestCase(ColumnType.Numeric,   AggregationFunctionType.Min,     typeof(MinNumeric))]20        [TestCase(ColumnType.Numeric,   AggregationFunctionType.Max,     typeof(MaxNumeric))]21        [TestCase(ColumnType.DateTime,  AggregationFunctionType.Min,     typeof(MinDateTime))]22        [TestCase(ColumnType.DateTime,  AggregationFunctionType.Max,     typeof(MaxDateTime))]23        public void Instantiate_ColumnTypeandAggregationFunction_CorrectAggregation(ColumnType columnType, AggregationFunctionType function, Type expectedType)24        {25            var factory = new AggregationFactory();26            var aggregation = factory.Instantiate(columnType, function, Array.Empty<IScalarResolver>(), Array.Empty<IAggregationStrategy>());27            Assert.That(aggregation, Is.Not.Null);28            Assert.That(aggregation.Function, Is.TypeOf(expectedType));29        }30        [Test]31        [TestCase(ColumnType.Numeric)]32        [TestCase(ColumnType.Boolean)]33        [TestCase(ColumnType.DateTime)]34        [TestCase(ColumnType.Text)]35        public void Instantiate_ColumnTypeCount_CorrectAggregation(ColumnType columnType)36        {37            var factory = new AggregationFactory();38            var aggregation = factory.Instantiate(columnType, AggregationFunctionType.Count, Array.Empty<IScalarResolver>(), Array.Empty<IAggregationStrategy>());39            Assert.That(aggregation, Is.Not.Null);40            Assert.That(aggregation.Function, Is.InstanceOf<Count>());41        }42        [Test]43        public void Instantiate_ConcantenationText_CorrectAggregation()44        {45            var factory = new AggregationFactory();46            var aggregation = factory.Instantiate(ColumnType.Text, AggregationFunctionType.Concatenation, new List<IScalarResolver> { new LiteralScalarResolver<string>("+")}.ToArray(), Array.Empty<IAggregationStrategy>());47            Assert.That(aggregation, Is.Not.Null);48            Assert.That(aggregation.Function, Is.TypeOf<ConcatenationText>());49        }50        [TestCase(ColumnType.DateTime, AggregationFunctionType.Sum)]51        [TestCase(ColumnType.DateTime, AggregationFunctionType.Average)]52        public void Instantiate_ColumnTypeAndAggregationFunction_CorrectAggregation(ColumnType columnType, AggregationFunctionType function)53        {54            var factory = new AggregationFactory();55            Assert.Throws<ArgumentException>( () => factory.Instantiate(columnType, function, Array.Empty<IScalarResolver>(), Array.Empty<IAggregationStrategy>()));56        }57    }58}...

AggregationFactory.cs

Source:AggregationFactory.cs

...9using System.Threading.Tasks;10using System.Reflection;11namespace NBi.Core.Sequence.Transformation.Aggregation12{13    public class AggregationFactory14    {15        public Aggregation Instantiate(ColumnType columnType, AggregationFunctionType function, IScalarResolver[] parameters, IAggregationStrategy[] strategies)16        {17            var missingValue = (IMissingValueStrategy)(strategies.SingleOrDefault(x => x is IMissingValueStrategy) ?? new DropStrategy(columnType));18            var emptySeries = (IEmptySeriesStrategy)(strategies.SingleOrDefault(x => x is IEmptySeriesStrategy) ?? new ReturnDefaultStrategy(columnType));19            var @namespace = $"{this.GetType().Namespace}.Function.";20            var typeName = $"{Enum.GetName(typeof(AggregationFunctionType), function)}{Enum.GetName(typeof(ColumnType), columnType)}";21            var type = GetType().Assembly.GetType($"{@namespace}{typeName}", false, true) ?? throw new ArgumentException($"No aggregation named '{typeName}' has been found in the namespace '{@namespace}'.");22            if ((parameters?.Count() ?? 0) == 0)23                return new Aggregation((IAggregationFunction)(type.GetConstructor(Type.EmptyTypes).Invoke(Array.Empty<object>())), missingValue, emptySeries);24            else25            {26                var ctor = type.GetConstructors().Where(x => x.IsPublic && (x.GetParameters().Count() == parameters.Count())).FirstOrDefault()27                    ?? throw new ArgumentException($"No public constructor for the aggregation '{function}' expecting {parameters.Count()} parameters.");...

AggregationFactory

Using AI Code Generation

1using NBi.Core.Sequence.Transformation.Aggregation;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7{8    {9        static void Main(string[] args)10        {11            var factory = new AggregationFactory();12            var agg = factory.Instantiate("sum");13            var result = agg.Execute(new List<object>() { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 });14            Console.WriteLine(result);15            Console.ReadLine();16        }17    }18}

AggregationFactory

Using AI Code Generation

1using NBi.Core.Sequence.Transformation.Aggregation;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7{8    {9        static void Main(string[] args)10        {11            var factory = new AggregationFactory();12            var aggregation = factory.Instantiate("sum");13            Console.WriteLine(aggregation.Execute(new List<object>() { 1, 2, 3, 4, 5 }));14            Console.ReadKey();15        }16    }17}

AggregationFactory

Using AI Code Generation

1using NBi.Core.Sequence.Transformation.Aggregation;2using NBi.Core.Sequence;3using NBi.Core.Sequence.Transformation;4using NBi.Core.Sequence;5using NBi.Core.Sequence.Transformation;6using NBi.Core.Sequence;7using NBi.Core.Sequence.Transformation;8using NBi.Core.Sequence;9using NBi.Core.Sequence.Transformation;10using NBi.Core.Sequence;11using NBi.Core.Sequence.Transformation;12using NBi.Core.Sequence;13using NBi.Core.Sequence.Transformation;14using NBi.Core.Sequence;15using NBi.Core.Sequence.Transformation;16using NBi.Core.Sequence;17using NBi.Core.Sequence.Transformation;18using NBi.Core.Sequence;19using NBi.Core.Sequence.Transformation;20using NBi.Core.Sequence;21using NBi.Core.Sequence.Transformation;22using NBi.Core.Sequence;

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