How to use Context class of NBi.Core.Variable package

Best NBi code snippet using NBi.Core.Variable.Context

InstanceArgsBuilder.cs

Source:InstanceArgsBuilder.cs Github

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...81 var derivationArgs = new Dictionary<string, DerivationArgs>();82 foreach (var derivation in (obj as InstanceSettlingXml).DerivedVariables)83 {84 var transformerArgs = new TransformaterArgs() { Language = derivation.Script.Language, Code = derivation.Script.Code };85 var transformerFactory = new TransformerFactory(ServiceLocator, new Context(Variables));86 var transformer = transformerFactory.Instantiate(transformerArgs);87 transformer.Initialize(derivation.Script.Code);88 derivationArgs.Add(derivation.Name, new DerivationArgs() { Source = derivation.BasedOn, Transformer = transformer });89 }90 args = new DerivedVariableInstanceArgs()91 {92 Name = variable.Name,93 Resolver = sequenceResolver,94 Derivations = derivationArgs,95 Categories = (obj as InstanceSettlingXml).Categories,96 Traits = (obj as InstanceSettlingXml).Traits.ToDictionary(x => x.Name, x => x.Value),97 };98 }99 }100 }101 private ISequenceResolver BuildFilterSequenceResolver(ColumnType type, ISequenceResolver resolver, FilterSequenceXml filterXml)102 {103 if (filterXml == null)104 return resolver;105 var predicateBuilder = new PredicateArgsBuilder(ServiceLocator, new Context(Variables));106 var predicateArgs = predicateBuilder.Execute(filterXml.Predication.ColumnType, filterXml.Predication.Predicate);107 var predicate = new PredicateFactory().Instantiate(predicateArgs);108 var operandTransformation = new TransformerFactory(ServiceLocator, new Context(Variables)).Instantiate109 (110 new OperandTransformation111 {112 OriginalType = type,113 Code = filterXml.Predication.Operand114 }115 );116 operandTransformation.Initialize(filterXml.Predication.Operand);117 var factory = new SequenceResolverFactory(ServiceLocator);118 return factory.Instantiate(type, new FilterSequenceResolverArgs(resolver, predicate, operandTransformation));119 }120 private class OperandTransformation : ITransformationInfo121 {122 public ColumnType OriginalType { get ; set; }...

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ScalarResolverFactoryTest.cs

Source:ScalarResolverFactoryTest.cs Github

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...33 var resolver = factory.Instantiate(args);34 Assert.That(resolver, Is.TypeOf<GlobalVariableScalarResolver<object>>());35 }36 [Test]37 public void Instantiate_ContextArgs_ContextResolver()38 {39 using (var dt = new DataTable())40 {41 var context = Context.None;42 context.Switch(dt.NewRow());43 var args = new ContextScalarResolverArgs(context, new ColumnOrdinalIdentifier(0));44 var factory = new ScalarResolverFactory(null);45 var resolver = factory.Instantiate(args);46 Assert.That(resolver, Is.TypeOf<ContextScalarResolver<object>>());47 }48 }49 [Test]50 public void Instantiate_QueryArgs_QueryResolver()51 {52 var args = new QueryScalarResolverArgs(new EmbeddedQueryResolverArgs("select * from table;", "connStr", null, null, new TimeSpan()));53 var factory = new ScalarResolverFactory(null);54 var resolver = factory.Instantiate(args);55 Assert.That(resolver, Is.TypeOf<QueryScalarResolver<object>>());56 }57 [Test]58 public void Instantiate_ProjectionResultSetArgs_ProjectionResultSetResolver()59 {60 var args = new RowCountResultSetScalarResolverArgs(new ResultSetResolverArgs());61 var stub = new Mock<ServiceLocator>();62 stub.Setup(x => x.GetResultSetResolverFactory()).Returns(new ResultSetResolverFactory(stub.Object));63 var factory = new ScalarResolverFactory(stub.Object);64 var resolver = factory.Instantiate(args);65 Assert.That(resolver, Is.TypeOf<ProjectionResultSetScalarResolver<object>>());66 }67 [Test]68 public void Instantiate_CSharpArgs_CSharpResolver()69 {70 var args = new CSharpScalarResolverArgs("DateTime.Now.Year");71 var factory = new ScalarResolverFactory(null);72 var resolver = factory.Instantiate(args);73 Assert.That(resolver, Is.TypeOf<CSharpScalarResolver<object>>());74 }75 [Test]76 public void Instantiate_EnvironmentArgs_EnvironmentResolver()77 {78 var args = new EnvironmentScalarResolverArgs("myVar");79 var factory = new ScalarResolverFactory(null);80 var resolver = factory.Instantiate(args);81 Assert.That(resolver, Is.TypeOf<EnvironmentScalarResolver<object>>());82 }83 [Test]84 public void Instantiate_FormatArgs_FormatResolver()85 {86 var args = new FormatScalarResolverArgs("myVar", new Dictionary<string, IVariable>());87 var factory = new ScalarResolverFactory(null);88 var resolver = factory.Instantiate<string>(args);89 Assert.That(resolver, Is.TypeOf<FormatScalarResolver>());90 }91 [Test]92 public void InstantiateNeutral_FormatArgs_FormatResolver()93 {94 var args = new FormatScalarResolverArgs("myVar", new Dictionary<string, IVariable>());95 var factory = new ScalarResolverFactory(null);96 var resolver = factory.Instantiate(args);97 Assert.That(resolver, Is.TypeOf<FormatScalarResolver>());98 }99 [Test]100 public void InstantiateNotString_FormatArgs_FormatResolver()101 {102 var args = new FormatScalarResolverArgs("myVar", new Dictionary<string, IVariable>());103 var factory = new ScalarResolverFactory(null);104 var ex = Assert.Throws<ArgumentException>(() => factory.Instantiate<object>(args));105 }106 [Test]107 public void Instantiate_FunctionArgs_FunctionResolver()108 {109 var args = new FunctionScalarResolverArgs(new LiteralScalarResolver<string>("myVar"), new INativeTransformation[] { });110 var factory = new ScalarResolverFactory(null);111 var resolver = factory.Instantiate(args);112 Assert.That(resolver, Is.TypeOf<FunctionScalarResolver<object>>());113 }114 [Test]115 public void Instantiate_NCalcArgs_NcalcResolver()116 {117 var context = new Context(null);118 var args = new NCalcScalarResolverArgs("a * b - 2", context);119 var factory = new ScalarResolverFactory(null);120 var resolver = factory.Instantiate(args);121 Assert.That(resolver, Is.TypeOf<NCalcScalarResolver<object>>());122 }123 }124}...

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RowValueExtractor.cs

Source:RowValueExtractor.cs Github

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...17 {18 private ServiceLocator ServiceLocator { get; }19 public RowValueExtractor(ServiceLocator serviceLocator)20 => (ServiceLocator) = (serviceLocator);21 public object Execute(Context context, IColumnIdentifier identifier)22 {23 if (identifier is ColumnOrdinalIdentifier)24 {25 var ordinal = (identifier as ColumnOrdinalIdentifier).Ordinal;26 if (ordinal <= context.CurrentRow.Table.Columns.Count)27 return context.CurrentRow.ItemArray[ordinal];28 else29 throw new ArgumentException($"The variable of the predicate is identified as '{identifier.Label}' but the column in position '{ordinal}' doesn't exist. The dataset only contains {context.CurrentRow.Table.Columns.Count} columns.");30 }31 var name = (identifier as ColumnNameIdentifier).Name;32 var alias = context.Aliases?.SingleOrDefault(x => string.Equals(x.Name, name, StringComparison.OrdinalIgnoreCase));33 if (alias != null)34 return context.CurrentRow.ItemArray[alias.Column];35 var expression = context.Expressions?.SingleOrDefault(x => string.Equals(x.Name, name, StringComparison.OrdinalIgnoreCase));36 if (expression != null)37 {38 var result = EvaluateExpression(expression, context);39 var expColumnName = $"exp::{name}";40 if (!context.CurrentRow.Table.Columns.Contains(expColumnName))41 {42 var newColumn = new DataColumn(expColumnName, typeof(object));43 context.CurrentRow.Table.Columns.Add(newColumn);44 }45 context.CurrentRow[expColumnName] = result;46 return result;47 }48 var column = context.CurrentRow.Table.Columns.Cast<DataColumn>().SingleOrDefault(x => string.Equals(x.ColumnName, name, StringComparison.OrdinalIgnoreCase));49 if (column != null)50 return context.CurrentRow[column.ColumnName];51 var existingNames = context.CurrentRow.Table.Columns.Cast<DataColumn>().Select(x => x.ColumnName)52 .Union(context.Aliases.Select(x => x.Name)53 .Union(context.Expressions.Select(x => x.Name)));54 throw new ArgumentException($"The value '{name}' is not recognized as a column position, a column name, a column alias or an expression. Possible arguments are: '{string.Join("', '", existingNames.ToArray())}'");55 }56 protected object EvaluateExpression(IColumnExpression expression, Context context)57 {58 if (expression.Language == LanguageType.NCalc)59 {60 var exp = new NCalc.Expression(expression.Value);61 var factory = new ColumnIdentifierFactory();62 exp.EvaluateParameter += delegate (string name, NCalc.ParameterArgs args)63 {64 args.Result = name.StartsWith("@")65 ? context.Variables[name.Substring(1, name.Length-1)].GetValue()66 : Execute(context, factory.Instantiate(name));67 };68 return exp.Evaluate();69 }70 else if (expression.Language == LanguageType.Native)...

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Context

Using AI Code Generation

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1using NBi.Core.Variable;2var context = new Context();3context.Variables.Add("var1", "value1");4context.Variables.Add("var2", "value2");5context.Variables.Add("var3", "value3");6context.Variables.Add("var4", "value4");7context.Variables.Add("var5", "value5");8context.Variables.Add("var6", "value6");9context.Variables.Add("var7", "value7");10context.Variables.Add("var8", "value8");11context.Variables.Add("var9", "value9");12context.Variables.Add("var10", "value10");13context.Variables.Add("var11", "value11");14context.Variables.Add("var12", "value12");15context.Variables.Add("var13", "value13");16context.Variables.Add("var14", "value14");17context.Variables.Add("var15", "value15");18context.Variables.Add("var16", "value16");19context.Variables.Add("var17", "value17");20context.Variables.Add("var18", "value18");21context.Variables.Add("var19", "value19");22context.Variables.Add("var20", "value20");23context.Variables.Add("var21", "value21");24context.Variables.Add("var22", "value22");25context.Variables.Add("var23", "value23");26context.Variables.Add("var24", "value24");27context.Variables.Add("var25", "value25");28context.Variables.Add("var26", "value26");29context.Variables.Add("var27", "value27");30context.Variables.Add("var28", "value28");31context.Variables.Add("var29", "value29");32context.Variables.Add("var30", "value30");33context.Variables.Add("var31", "value31");34context.Variables.Add("var32", "value32");35context.Variables.Add("var33", "value33");36context.Variables.Add("var34", "value34");37context.Variables.Add("var35", "value35");38context.Variables.Add("var36", "value36");39context.Variables.Add("var37", "value37");40context.Variables.Add("var38", "value38");41context.Variables.Add("var39", "value39");42context.Variables.Add("var40", "value40");43context.Variables.Add("

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Context

Using AI Code Generation

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1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using NBi.Core.Variable;7{8 {9 static void Main(string[] args)10 {11 var context = new Context();12 context.Add("myVar", "myVal");13 Console.WriteLine(context.Get("myVar"));14 Console.ReadLine();15 }16 }17}18using System;19using System.Collections.Generic;20using System.Linq;21using System.Text;22using System.Threading.Tasks;23using NBi.Core;24{25 {26 static void Main(string[] args)27 {28 var context = new Context();29 context.Add("myVar", "myVal");30 Console.WriteLine(context.Get("myVar"));31 Console.ReadLine();32 }33 }34}35using System;36using System.Collections.Generic;37using System.Linq;38using System.Text;39using System.Threading.Tasks;40using NBi.Core;41{42 {43 static void Main(string[] args)44 {45 var context = new Context();46 context.Add("myVar", "myVal");47 Console.WriteLine(context.Get("myVar"));48 Console.ReadLine();49 }50 }51}52using System;53using System.Collections.Generic;54using System.Linq;55using System.Text;56using System.Threading.Tasks;57using NBi.Core;58{59 {60 static void Main(string[] args)61 {62 var context = new Context();63 context.Add("myVar", "myVal");64 Console.WriteLine(context.Get("myVar"));65 Console.ReadLine();66 }67 }68}69using System;70using System.Collections.Generic;71using System.Linq;72using System.Text;73using System.Threading.Tasks;74using NBi.Core;75{76 {77 static void Main(string[] args)78 {79 var context = new Context();80 context.Add("myVar", "myVal");81 Console.WriteLine(context.Get

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Context

Using AI Code Generation

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1using NBi.Core.Variable;2using System;3{4 {5 public MyContext() : base() { }6 public MyContext(string connectionString) : base(connectionString) { }7 public object GetObjectValue(string objectName)8 {9 if (objectName == "MyObject")10 return new MyObject();11 return null;12 }13 }14}15using System;16{17 {18 public string MyProperty { get; set; }19 }20}21using System;22using NBi.Core.Sequence.Resolver.Loop;23{24 {25 public IEnumerable<object> Execute(object start, object end)26 {27 var startValue = Convert.ToInt32(start);28 var endValue = Convert.ToInt32(end);29 for (var i = startValue; i <= endValue; i++)30 yield return i;31 }32 }33}34using System;35using NBi.Core.Sequence.Resolver.Loop;36{37 {38 public IEnumerable<object> Execute(object start, object end)39 {40 var startValue = Convert.ToInt32(start);41 var endValue = Convert.ToInt32(end);42 for (var i = startValue; i <= endValue; i++)43 yield return i;44 }45 }46}47using System;48using NBi.Core.Sequence.Resolver.Loop;49{50 {51 public IEnumerable<object> Execute(object start, object end)52 {53 var startValue = Convert.ToInt32(start);54 var endValue = Convert.ToInt32(end);55 for (var i = startValue; i <= endValue; i++)56 yield return i;57 }58 }59}60using System;61using NBi.Core.Sequence.Resolver.Loop;62{63 {

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Context

Using AI Code Generation

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1var context = new Context();2context.Add("MyVar", "MyValue");3var myVar = context.Get("MyVar");4var context = new Context();5context.Add("MyVar", "MyValue");6var myVar = context.Get("MyVar");7var context = new Context();8context.Add("MyVar", "MyValue");9var myVar = context.Get("MyVar");10var context = new Context();11context.Add("MyVar", "MyValue");12var myVar = context.Get("MyVar");13var context = new Context();14context.Add("MyVar", "MyValue");15var myVar = context.Get("MyVar");16var context = new Context();17context.Add("MyVar", "MyValue");18var myVar = context.Get("MyVar");19var context = new Context();20context.Add("MyVar", "MyValue");21var myVar = context.Get("MyVar");22var context = new Context();23context.Add("MyVar", "MyValue");24var myVar = context.Get("MyVar");25var context = new Context();26context.Add("MyVar", "MyValue");27var myVar = context.Get("MyVar");28var context = new Context();29context.Add("MyVar", "MyValue");30var myVar = context.Get("MyVar");31var context = new Context();32context.Add("MyVar", "MyValue");33var myVar = context.Get("MyVar");

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Context

Using AI Code Generation

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1using NBi.Core.Variable;2using System;3{4 {5 public override string Resolve(string variable)6 {7 if (variable == "myVariable")8 return "myValue";9 return base.Resolve(variable);10 }11 }12}13using NBi.Core;14using NBi.Core.Elasticsearch.Query.Client;15using NBi.Core.Elasticsearch.Query.Command;16using NBi.Core.Elasticsearch.Query.Execution;17using NBi.Core.Query;18using NBi.Core.Query.Client;19using NBi.Core.Query.Command;20using NBi.Core.Query.Execution;21using NBi.Core.Query.Resolver;22using NBi.Core.Scalar.Resolver;23using NBi.Core.Sequence.Resolver;24using NBi.Core.Variable;25using System;26using System.Collections.Generic;27using System.Linq;28using System.Text;29using System.Threading.Tasks;30{31 {32 public void MyMethod()33 {34 var context = new MyContext();35 context.Variables.Add("myVariable", new VariableScalarResolver<string>("myVariable"));36 var clientFactory = new ElasticsearchClientFactory();37 var command = new ElasticsearchCommand();38 command.Text = "SELECT * FROM myTable WHERE myColumn = '{{myVariable}}'";39 var resolverFactory = new ResolverFactory();40 var commandResolver = new CommandResolver(command, resolverFactory, context);41 var client = clientFactory.Instantiate(connectionString);42 var engine = new ElasticsearchExecutionEngine(client);43 var result = engine.Execute(commandResolver);44 }45 }46}

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