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NBi
NBi.Core.Sequence.Transformation.Aggregation.Strategy
ReturnDefaultStrategy

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

Best NBi code snippet using NBi.Core.Sequence.Transformation.Aggregation.Strategy.ReturnDefaultStrategy

AggregationFactory.cs

Source:AggregationFactory.cs

...14    {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.");28                return new Aggregation((IAggregationFunction)ctor.Invoke(parameters), missingValue, emptySeries);29            }30        }31        public Aggregation Instantiate(AggregationArgs args)32            => Instantiate(args.ColumnType, args.Function, args.Parameters.ToArray(), args.Strategies.ToArray());...

ReturnDefaultStrategy.cs

Source:ReturnDefaultStrategy.cs

...5using System.Text;6using System.Threading.Tasks;7namespace NBi.Core.Sequence.Transformation.Aggregation.Strategy8{9    class ReturnDefaultStrategy : IEmptySeriesStrategy10    {11        private object DefaultValue { get; }12        public ReturnDefaultStrategy(object defaultValue) => DefaultValue = defaultValue;13        internal static ReturnDefaultStrategy Instantiate(ColumnType columnType)14        {15            switch (columnType)16            {17                case ColumnType.Text: return new ReturnDefaultStrategy(string.Empty);18                case ColumnType.Numeric: return new ReturnDefaultStrategy(0);19                case ColumnType.DateTime: return new ReturnDefaultStrategy(new DateTime(1900, 1, 1));20                case ColumnType.Boolean: return new ReturnDefaultStrategy(false);21                default: throw new ArgumentOutOfRangeException();22            }23        }24        public object Execute() => DefaultValue;25    }26}...

ReturnDefaultStrategyTest.cs

Source:ReturnDefaultStrategyTest.cs

...6using System.Text;7using System.Threading.Tasks;8namespace NBi.Testing.Unit.Core.Sequence.Transformation.Strategy9{10    public class ReturnDefaultStrategyTest11    {12        [Test]13        public void Execute_Zero_ZeroReturned()14        {15            var strategy = new ReturnDefaultStrategy(0);16            Assert.That(strategy.Execute(), Is.EqualTo(0));17        }18        [Test]19        public void Execute_NothingToReplace_SameValues()20        {21            var strategy = new ReturnDefaultStrategy(-1);22            Assert.That(strategy.Execute(), Is.EqualTo(-1));23        }24    }25}...

ReturnDefaultStrategy

Using AI Code Generation

1var strategy = new ReturnDefaultStrategy();2var aggregator = new Aggregator(strategy);3var result = aggregator.Execute(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);4Console.WriteLine(result);5var strategy = new ReturnFirstStrategy();6var aggregator = new Aggregator(strategy);7var result = aggregator.Execute(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);8Console.WriteLine(result);9var strategy = new ReturnLastStrategy();10var aggregator = new Aggregator(strategy);11var result = aggregator.Execute(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);12Console.WriteLine(result);13var strategy = new ReturnMaximumStrategy();14var aggregator = new Aggregator(strategy);15var result = aggregator.Execute(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);16Console.WriteLine(result);17var strategy = new ReturnMinimumStrategy();18var aggregator = new Aggregator(strategy);19var result = aggregator.Execute(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);20Console.WriteLine(result);21var strategy = new ReturnSumStrategy();22var aggregator = new Aggregator(strategy);23var result = aggregator.Execute(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);24Console.WriteLine(result);

ReturnDefaultStrategy

Using AI Code Generation

1var strategy = new ReturnDefaultStrategy();2var result = strategy.Execute(new [] { 1, 2, 3 });3var strategy = new ReturnDefaultStrategy();4var result = strategy.Execute(new [] { 1, 2, 3 });5var strategy = new ReturnDefaultStrategy();6var result = strategy.Execute(new [] { 1, 2, 3 });7var strategy = new ReturnDefaultStrategy();8var result = strategy.Execute(new [] { 1, 2, 3 });9var strategy = new ReturnDefaultStrategy();10var result = strategy.Execute(new [] { 1, 2, 3 });11var strategy = new ReturnDefaultStrategy();12var result = strategy.Execute(new [] { 1, 2, 3 });13var strategy = new ReturnDefaultStrategy();14var result = strategy.Execute(new [] { 1, 2, 3 });15var strategy = new ReturnDefaultStrategy();16var result = strategy.Execute(new [] { 1, 2, 3 });17var strategy = new ReturnDefaultStrategy();18var result = strategy.Execute(new [] { 1, 2, 3 });19var strategy = new ReturnDefaultStrategy();20var result = strategy.Execute(new [] { 1, 2

ReturnDefaultStrategy

Using AI Code Generation

1var strategy = new ReturnDefaultStrategy();2var result = strategy.Execute(new List<object>() { 1, 2, 3 }, 10);3var strategy = new ReturnDefaultStrategy();4var result = strategy.Execute(new List<object>() { 1, 2, 3 }, 10);5var strategy = new ReturnDefaultStrategy();6var result = strategy.Execute(new List<object>() { 1, 2, 3 }, 10);7var strategy = new ReturnDefaultStrategy();8var result = strategy.Execute(new List<object>() { 1, 2, 3 }, 10);9var strategy = new ReturnDefaultStrategy();10var result = strategy.Execute(new List<object>() { 1, 2, 3 }, 10);11var strategy = new ReturnDefaultStrategy();12var result = strategy.Execute(new List<object>() { 1, 2, 3 }, 10);13var strategy = new ReturnDefaultStrategy();14var result = strategy.Execute(new List<object>() { 1, 2, 3 }, 10);15var strategy = new ReturnDefaultStrategy();16var result = strategy.Execute(new List<object>() { 1, 2, 3 }, 10);

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