/// <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(IfcSurfaceReinforcementAreaClause clause)
        {
            var retVal = false;

            try
            {
                switch (clause)
                {
                case IfcSurfaceReinforcementAreaClause.SurfaceAndOrShearAreaSpecified:
                    retVal = Functions.EXISTS(SurfaceReinforcement1) || Functions.EXISTS(SurfaceReinforcement2) || Functions.EXISTS(ShearReinforcement);
                    break;

                case IfcSurfaceReinforcementAreaClause.NonnegativeArea1:
                    retVal = (!Functions.EXISTS(SurfaceReinforcement1)) || ((SurfaceReinforcement1.ItemAt(0) >= 0) && (SurfaceReinforcement1.ItemAt(1) >= 0) && ((Functions.SIZEOF(SurfaceReinforcement1) == 1) || (SurfaceReinforcement1.ItemAt(0) >= 0)));
                    break;

                case IfcSurfaceReinforcementAreaClause.NonnegativeArea2:
                    retVal = (!Functions.EXISTS(SurfaceReinforcement2)) || ((SurfaceReinforcement2.ItemAt(0) >= 0) && (SurfaceReinforcement2.ItemAt(1) >= 0) && ((Functions.SIZEOF(SurfaceReinforcement2) == 1) || (SurfaceReinforcement2.ItemAt(0) >= 0)));
                    break;

                case IfcSurfaceReinforcementAreaClause.NonnegativeArea3:
                    retVal = (!Functions.EXISTS(ShearReinforcement)) || (ShearReinforcement >= 0);
                    break;
                }
            } catch (Exception ex) {
                var log = Validation.ValidationLogging.CreateLogger <Xbim.Ifc4.StructuralLoadResource.IfcSurfaceReinforcementArea>();
                log?.LogError(string.Format("Exception thrown evaluating where-clause 'IfcSurfaceReinforcementArea.{0}' for #{1}.", clause, EntityLabel), ex);
            }
            return(retVal);
        }
        public override string GetStepParameters()
        {
            var parameters = new List <string>();

            parameters.Add(Name != null ? Name.ToStepValue() : "$");
            parameters.Add(SurfaceReinforcement1 != null ? SurfaceReinforcement1.ToStepValue() : "$");
            parameters.Add(SurfaceReinforcement2 != null ? SurfaceReinforcement2.ToStepValue() : "$");
            parameters.Add(ShearReinforcement != null ? ShearReinforcement.ToStepValue() : "$");

            return(string.Join(", ", parameters.ToArray()));
        }