public EnumAverageDecimalScalarLambdaForgeEval( EnumAverageDecimalScalarLambdaForge forge, ExprEvaluator innerExpression) { _forge = forge; _innerExpression = innerExpression; }
public static CodegenExpression Codegen( EnumAverageDecimalScalarLambdaForge forge, EnumForgeCodegenParams args, CodegenMethodScope codegenMethodScope, CodegenClassScope codegenClassScope) { var innerType = forge.InnerExpression.EvaluationType; var resultTypeMember = codegenClassScope.AddDefaultFieldUnshared( true, typeof(ObjectArrayEventType), Cast( typeof(ObjectArrayEventType), EventTypeUtility.ResolveTypeCodegen(forge.resultEventType, EPStatementInitServicesConstants.REF))); CodegenExpression math = codegenClassScope.AddOrGetDefaultFieldSharable(new MathContextCodegenField(forge.optionalMathContext)); var scope = new ExprForgeCodegenSymbol(false, null); var methodNode = codegenMethodScope.MakeChildWithScope( typeof(decimal?), typeof(EnumAverageDecimalScalarLambdaForgeEval), scope, codegenClassScope) .AddParam(EnumForgeCodegenNames.PARAMS); var block = methodNode.Block; block.DeclareVar<EnumAverageDecimalEventsForgeEval.AggregatorAvgDecimal>( "agg", NewInstance(typeof(EnumAverageDecimalEventsForgeEval.AggregatorAvgDecimal), math)) .DeclareVar<ObjectArrayEventBean>( "resultEvent", NewInstance<ObjectArrayEventBean>( NewArrayByLength(typeof(object), Constant(1)), resultTypeMember)) .AssignArrayElement(EnumForgeCodegenNames.REF_EPS, Constant(forge.StreamNumLambda), Ref("resultEvent")) .DeclareVar<object[]>("props", ExprDotName(Ref("resultEvent"), "Properties")); var forEach = block.ForEach(typeof(object), "next", EnumForgeCodegenNames.REF_ENUMCOLL) .AssignArrayElement("props", Constant(0), Ref("next")) .DeclareVar( innerType, "num", forge.InnerExpression.EvaluateCodegen(typeof(object), methodNode, scope, codegenClassScope)); if (innerType.CanBeNull()) { forEach.IfRefNull("num").BlockContinue(); } forEach.Expression(ExprDotMethod(Ref("agg"), "Enter", Ref("num"))); block.MethodReturn(ExprDotName(Ref("agg"), "Value")); return LocalMethod(methodNode, args.Eps, args.Enumcoll, args.IsNewData, args.ExprCtx); }