/// <summary>
        /// Tests the express where-clause specified in param 'clause'
        /// </summary>
        /// <param name="clause">The express clause to test</param>
        /// <returns>true if the clause is satisfied.</returns>
        public bool ValidateClause(IfcConstructionProductResourceClause clause)
        {
            var retVal = false;

            try
            {
                switch (clause)
                {
                case IfcConstructionProductResourceClause.CorrectPredefinedType:
                    retVal = !(Functions.EXISTS(PredefinedType)) || (PredefinedType != IfcConstructionProductResourceTypeEnum.USERDEFINED) || ((PredefinedType == IfcConstructionProductResourceTypeEnum.USERDEFINED) && Functions.EXISTS(this /* as IfcObject*/.ObjectType));
                    break;
                }
            } catch (Exception ex) {
                var log = Validation.ValidationLogging.CreateLogger <Xbim.Ifc4.ConstructionMgmtDomain.IfcConstructionProductResource>();
                log?.LogError(string.Format("Exception thrown evaluating where-clause 'IfcConstructionProductResource.{0}' for #{1}.", clause, EntityLabel), ex);
            }
            return(retVal);
        }
        /// <summary>
        /// Tests the express where-clause specified in param 'clause'
        /// </summary>
        /// <param name="clause">The express clause to test</param>
        /// <returns>true if the clause is satisfied.</returns>
        public bool ValidateClause(IfcConstructionProductResourceClause clause)
        {
            var retVal = false;

            try
            {
                switch (clause)
                {
                case IfcConstructionProductResourceClause.WR1:
                    retVal = Functions.SIZEOF(this /* as IfcResource*/.ResourceOf) <= 1;
                    break;

                case IfcConstructionProductResourceClause.WR2:
                    retVal = !(Functions.EXISTS(this /* as IfcResource*/.ResourceOf.ItemAt(0))) || (this /* as IfcResource*/.ResourceOf.ItemAt(0).RelatedObjectsType == IfcObjectTypeEnum.PRODUCT);
                    break;
                }
            } catch (Exception ex) {
                var log = Validation.ValidationLogging.CreateLogger <Xbim.Ifc2x3.ConstructionMgmtDomain.IfcConstructionProductResource>();
                log?.LogError(string.Format("Exception thrown evaluating where-clause 'IfcConstructionProductResource.{0}' for #{1}.", clause, EntityLabel), ex);
            }
            return(retVal);
        }