Opc.Ua.ContentFilter.Evaluate C# (CSharp) Method

        private object Evaluate(FilterContext context, IFilterTarget target, int index)
        {
            // get the element to evaluate.
            ContentFilterElement element = Elements[index];

            switch (element.FilterOperator)
            {
                case FilterOperator.And: 
                {
                    return And(context, target, element);
                }
                    
                case FilterOperator.Or: 
                {
                    return Or(context, target, element);
                }

                case FilterOperator.Not: 
                {
                    return Not(context, target, element);
                }

                case FilterOperator.Equals: 
                {
                    return Equals(context, target, element);
                }

                case FilterOperator.GreaterThan: 
                {
                    return GreaterThan(context, target, element);
                }

                case FilterOperator.GreaterThanOrEqual: 
                {
                    return GreaterThanOrEqual(context, target, element);
                }

                case FilterOperator.LessThan: 
                {
                    return LessThan(context, target, element);
                }

                case FilterOperator.LessThanOrEqual: 
                {
                    return LessThanOrEqual(context, target, element);
                }

                case FilterOperator.Between: 
                {
                    return Between(context, target, element);
                }

                case FilterOperator.InList: 
                {
                    return InList(context, target, element);
                }

                case FilterOperator.Like: 
                {
                    return Like(context, target, element);
                }                    

                case FilterOperator.IsNull: 
                {
                    return IsNull(context, target, element);
                }             

                case FilterOperator.Cast: 
                {
                    return Cast(context, target, element);
                }

                case FilterOperator.OfType: 
                {
                    return OfType(context, target, element);
                }

                case FilterOperator.InView: 
                {
                    return InView(context, target, element);
                }

                case FilterOperator.RelatedTo: 
                {
                    return RelatedTo(context, target, element);
                }
            }
                        
            throw new ServiceResultException(StatusCodes.BadUnexpectedError, "FilterOperator is not recognized.");
        }