public override string GetStepParameters()
        {
            var parameters = new List <string>();

            parameters.Add(GlobalId != null ? GlobalId.ToStepValue() : "$");
            parameters.Add(OwnerHistory != null ? OwnerHistory.ToStepValue() : "$");
            parameters.Add(Name != null ? Name.ToStepValue() : "$");
            parameters.Add(Description != null ? Description.ToStepValue() : "$");
            parameters.Add(ConnectionGeometry != null ? ConnectionGeometry.ToStepValue() : "$");
            parameters.Add(RelatingElement != null ? RelatingElement.ToStepValue() : "$");
            parameters.Add(RelatedElement != null ? RelatedElement.ToStepValue() : "$");
            parameters.Add(RelatingPriorities != null ? RelatingPriorities.ToStepValue() : "$");
            parameters.Add(RelatedPriorities != null ? RelatedPriorities.ToStepValue() : "$");
            parameters.Add(RelatedConnectionType.ToStepValue());
            parameters.Add(RelatingConnectionType.ToStepValue());

            return(string.Join(", ", parameters.ToArray()));
        }
        /// <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(IfcRelConnectsPathElementsClause clause)
        {
            var retVal = false;

            try
            {
                switch (clause)
                {
                case IfcRelConnectsPathElementsClause.NormalizedRelatingPriorities:
                    retVal = (Functions.SIZEOF(RelatingPriorities) == 0) || (Functions.SIZEOF(RelatingPriorities.Where(temp => ((0 <= temp) && (temp <= 100)))) == Functions.SIZEOF(RelatingPriorities));
                    break;

                case IfcRelConnectsPathElementsClause.NormalizedRelatedPriorities:
                    retVal = (Functions.SIZEOF(RelatedPriorities) == 0) || (Functions.SIZEOF(RelatedPriorities.Where(temp => ((0 <= temp) && (temp <= 100)))) == Functions.SIZEOF(RelatedPriorities));
                    break;
                }
            } catch (Exception ex) {
                var log = Validation.ValidationLogging.CreateLogger <Xbim.Ifc4.SharedBldgElements.IfcRelConnectsPathElements>();
                log?.LogError(string.Format("Exception thrown evaluating where-clause 'IfcRelConnectsPathElements.{0}' for #{1}.", clause, EntityLabel), ex);
            }
            return(retVal);
        }