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How to use BottomRanking class of NBi.Core.Calculation.Ranking package

Best NBi code snippet using NBi.Core.Calculation.Ranking.BottomRanking

BottomRankingTest.cs

Source:BottomRankingTest.cs

...13using System.Text;14using System.Threading.Tasks;15namespace NBi.Testing.Core.Calculation.Ranking16{17    public class BottomRankingTest18    {19        [Test]20        [TestCase(new object[] { "100", "120", "110", "130", "105" }, ColumnType.Numeric, 1)]21        [TestCase(new object[] { "d", "b", "e", "a", "d" }, ColumnType.Text, 4)]22        [TestCase(new object[] { "2010-02-02 07:12:17.52", "2010-02-02 07:12:16.55", "2010-02-02 08:12:16.50" }, ColumnType.DateTime, 2)]23        public void Apply_Rows_Success(object[] values, ColumnType columnType, int index)24        {25            var i = 0;26            var objs = values.Select(x => new object[] { ++i, x }).ToArray();27            var args = new ObjectsResultSetResolverArgs(objs);28            var resolver = new ObjectsResultSetResolver(args);29            var rs = resolver.Execute();30            var ranking = new BottomRanking(new ColumnOrdinalIdentifier(1), columnType, null, null);31            var filteredRs = ranking.Apply(rs);32            Assert.That(filteredRs.Rows.Count, Is.EqualTo(1));33            Assert.That(filteredRs.Rows[0].ItemArray[0], Is.EqualTo(index));34            Assert.That(filteredRs.Rows[0].ItemArray[1], Is.EqualTo(values.Min()));35        }36        [Test]37        [TestCase(new object[] { "100", "120", "110", "130", "105" }, ColumnType.Numeric, new int[] { 1, 5 })]38        [TestCase(new object[] { "d", "e", "a", "c", "b" }, ColumnType.Text, new int[] { 3, 5 })]39        [TestCase(new object[] { "2010-02-02 07:12:16.52", "2010-02-02 07:12:16.55", "2010-02-02 08:12:16.50" }, ColumnType.DateTime, new int[] { 1, 2 })]40        public void Apply_TopTwo_Success(object[] values, ColumnType columnType, int[] index)41        {42            var i = 0;43            var objs = values.Select(x => new object[] { ++i, x }).ToArray();44            var args = new ObjectsResultSetResolverArgs(objs);45            var resolver = new ObjectsResultSetResolver(args);46            var rs = resolver.Execute();47            var ranking = new BottomRanking(2, new ColumnOrdinalIdentifier(1), columnType, null, null);48            var filteredRs = ranking.Apply(rs);49            Assert.That(filteredRs.Rows.Count, Is.EqualTo(2));50            Assert.That(filteredRs.Rows[0].ItemArray[0], Is.EqualTo(index[0]));51            Assert.That(filteredRs.Rows[0].ItemArray[1], Is.EqualTo(values.Min()));52            Assert.That(filteredRs.Rows[1].ItemArray[0], Is.EqualTo(index[1]));53            Assert.That(filteredRs.Rows[1].ItemArray[1], Is.EqualTo(values.Except(Enumerable.Repeat(values.Min(), 1)).Min()));54        }55        [Test]56        [TestCase(new object[] { "100", "120", "110", "130", "105" }, ColumnType.Numeric, new int[] { 1, 5, 4 })]57        public void Apply_Larger_Success(object[] values, ColumnType columnType, int[] index)58        {59            var i = 0;60            var objs = values.Select(x => new object[] { ++i, x }).ToArray();61            var args = new ObjectsResultSetResolverArgs(objs);62            var resolver = new ObjectsResultSetResolver(args);63            var rs = resolver.Execute();64            var ranking = new BottomRanking(10, new ColumnOrdinalIdentifier(1), columnType, null, null);65            var filteredRs = ranking.Apply(rs);66            Assert.That(filteredRs.Rows.Count, Is.EqualTo(values.Count()));67            Assert.That(filteredRs.Rows[0].ItemArray[0], Is.EqualTo(index[0]));68            Assert.That(filteredRs.Rows[0].ItemArray[1], Is.EqualTo(values.Min()));69            Assert.That(filteredRs.Rows[1].ItemArray[0], Is.EqualTo(index[1]));70            Assert.That(filteredRs.Rows[1].ItemArray[1], Is.EqualTo(values.Except(Enumerable.Repeat(values.Min(), 1)).Min()));71            Assert.That(filteredRs.Rows[values.Count() - 1].ItemArray[0], Is.EqualTo(index[2]));72            Assert.That(filteredRs.Rows[values.Count() - 1].ItemArray[1], Is.EqualTo(values.Max()));73        }74        [Test]75        [TestCase(new object[] { "100", "120", "110", "130", "105" }, ColumnType.Numeric, 1)]76        public void Apply_Alias_Success(object[] values, ColumnType columnType, int index)77        { 78            var i = 0;79            var objs = values.Select(x => new object[] { ++i, x }).ToArray();80            var args = new ObjectsResultSetResolverArgs(objs);81            var resolver = new ObjectsResultSetResolver(args);82            var rs = resolver.Execute();83            var alias = Mock.Of<IColumnAlias>(x => x.Column == 1 && x.Name == "myValue");84            var ranking = new BottomRanking(new ColumnNameIdentifier("myValue"), columnType, Enumerable.Repeat(alias, 1), null);85            var filteredRs = ranking.Apply(rs);86            Assert.That(filteredRs.Rows.Count, Is.EqualTo(1));87            Assert.That(filteredRs.Rows[0].ItemArray[0], Is.EqualTo(index));88            Assert.That(filteredRs.Rows[0].ItemArray[1], Is.EqualTo(values.Min()));89        }90        [Test]91        [TestCase(new object[] { "108", "128", "118", "137", "125" }, ColumnType.Numeric, 5)]92        public void Apply_Exp_Success(object[] values, ColumnType columnType, int index)93        {94            var i = 0;95            var objs = values.Select(x => new object[] { ++i, x }).ToArray();96            var args = new ObjectsResultSetResolverArgs(objs);97            var resolver = new ObjectsResultSetResolver(args);98            var rs = resolver.Execute();99            var alias = Mock.Of<IColumnAlias>(x => x.Column == 1 && x.Name == "myValue");100            var exp = Mock.Of<IColumnExpression>(x => x.Name=="exp" && x.Value == "myValue % 10");101            var ranking = new BottomRanking(new ColumnNameIdentifier("exp"), columnType, Enumerable.Repeat(alias, 1), Enumerable.Repeat(exp, 1));102            var filteredRs = ranking.Apply(rs);103            Assert.That(filteredRs.Rows.Count, Is.EqualTo(1));104            Assert.That(filteredRs.Rows[0].ItemArray[0], Is.EqualTo(index));105            Assert.That(filteredRs.Rows[0].ItemArray[1], Is.EqualTo("125"));106        }107    }108}...

BottomRanking.cs

Source:BottomRanking.cs

...8using NBi.Core.Evaluate;9using NBi.Core.ResultSet;10namespace NBi.Core.Calculation.Ranking11{12    class BottomRanking : AbstractRanking13    {14        public BottomRanking(IColumnIdentifier operand, ColumnType columnType, IEnumerable<IColumnAlias> aliases, IEnumerable<IColumnExpression> expressions)15            : this(1, operand, columnType, aliases, expressions) { }16        public BottomRanking(int count, IColumnIdentifier operand, ColumnType columnType)17            : this(count, operand, columnType, null, null) { }18        public BottomRanking(int count, IColumnIdentifier operand, ColumnType columnType, IEnumerable<IColumnAlias> aliases, IEnumerable<IColumnExpression> expressions)19            : base(count, operand, columnType, aliases, expressions) { }20        protected override ComparerType GetComparerType() => ComparerType.LessThan; 21        public override string Describe()22            => TableLength == 123            ? "The last row of the result-set."24            : $"The last {TableLength} rows of the result-set";25    }26}

RankingFactory.cs

Source:RankingFactory.cs

...13            {14                case RankingOption.Top:15                    return new TopRanking(args.Count, args.Operand, args.Type);16                case RankingOption.Bottom:17                    return new BottomRanking(args.Count, args.Operand, args.Type);18                default:19                    throw new ArgumentOutOfRangeException();20            }21        }22    }23}...

BottomRanking

Using AI Code Generation

1using NBi.Core.Calculation.Ranking;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 bottomRanking = new BottomRanking();12            var list = new List<double> { 1.5, 2.5, 3.5, 4.5, 5.5 };13            var bottom = bottomRanking.GetBottom(list, 2);14            foreach (var item in bottom)15            {16                Console.WriteLine(item);17            }18        }19    }20}21var bottomRanking = new BottomRanking();22var list = new List<double> { 1.5, 2.5, 3.5, 4.5, 5.5 };23var bottom = bottomRanking.GetBottom(list, 2);24Error CS0246 The type or namespace name 'BottomRanking' could not be found (are

BottomRanking

Using AI Code Generation

1using NBi.Core.Calculation.Ranking;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            double[] input = new double[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };12            BottomRanking br = new BottomRanking(3);13            double[] output = br.Execute(input);14            foreach (var item in output)15            {16                Console.WriteLine(item);17            }18            Console.Read();19        }20    }21}221. Number of items to be ranked from bottom. (int)232. Order of ranking. (RankingOrder)

BottomRanking

Using AI Code Generation

1using NBi.Core.Calculation.Ranking;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            List<double> myList = new List<double>();12            myList.Add(1.1);13            myList.Add(2.2);14            myList.Add(3.3);15            myList.Add(4.4);16            myList.Add(5.5);17            BottomRanking bottomRanking = new BottomRanking(2);18            List<double> bottomRanked = bottomRanking.Apply(myList);19            foreach (double d in bottomRanked)20            {21                Console.WriteLine(d);22            }23        }24    }25}

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