public EnumSelectFromScalarLambdaForgeEval( EnumSelectFromScalarLambdaForge forge, ExprEvaluator innerExpression) { _forge = forge; _innerExpression = innerExpression; }
public static CodegenExpression Codegen( EnumSelectFromScalarLambdaForge forge, EnumForgeCodegenParams args, CodegenMethodScope codegenMethodScope, CodegenClassScope codegenClassScope) { var resultTypeMember = codegenClassScope.AddDefaultFieldUnshared( true, typeof(ObjectArrayEventType), Cast( typeof(ObjectArrayEventType), EventTypeUtility.ResolveTypeCodegen(forge.resultEventType, EPStatementInitServicesConstants.REF))); var scope = new ExprForgeCodegenSymbol(false, null); var paramTypes = EnumForgeCodegenNames.PARAMS; var methodNode = codegenMethodScope.MakeChildWithScope( typeof(FlexCollection), typeof(EnumSelectFromScalarLambdaForgeEval), scope, codegenClassScope) .AddParam(paramTypes); var block = methodNode.Block .IfCondition(ExprDotMethod(EnumForgeCodegenNames.REF_ENUMCOLL, "IsEmpty")) .BlockReturn(EnumForgeCodegenNames.REF_ENUMCOLL) .DeclareVar<ArrayDeque<object>>( "result", NewInstance<ArrayDeque<object>>(ExprDotName(EnumForgeCodegenNames.REF_ENUMCOLL, "Count"))) .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<object>( "item", forge.InnerExpression.EvaluateCodegen(typeof(object), methodNode, scope, codegenClassScope)) .IfCondition(NotEqualsNull(Ref("item"))) .Expression(ExprDotMethod(Ref("result"), "Add", Ref("item"))); block.MethodReturn(FlexWrap(Ref("result"))); return LocalMethod(methodNode, args.Eps, args.Enumcoll, args.IsNewData, args.ExprCtx); }