Habanero.BO.ClassDefinition.SingleRelationshipDef.SetAsOneToOne C# (CSharp) Method

        public void SetAsOneToOne()
        {
            _setAsOneToOne = true;
        }

        /// <summary>
        /// Maps the <see cref="ReflectionWrappers.PropertyWrapper"/> to a <see cref="IRelationshipDef"/>.
        /// </summary>
        /// <returns></returns>
        public IRelationshipDef MapOneToOne()
        {
            if (!MustBeMapped()) return null;
            CheckReverseRelationshipValid();
            
            var relatedClassType = PropertyWrapper.RelatedClassType.UnderlyingType;
            DeleteParentAction deleteAction = GetDeleteAction();

            var relDef = new SingleRelationshipDef(this.PropertyWrapper.Name, relatedClassType
                                            , new RelKeyDef(), true, deleteAction)
                      {
                          OwningBOHasForeignKey = this.OwningBoHasForeignKey,
                          ReverseRelationshipName = this.ReverseRelationshipName
                      };
            SetRelationshipType(relDef);
            relDef.SetAsOneToOne();
            IRelPropDef relPropDef = this.CreateRelPropDef();
            relDef.RelKeyDef.Add(relPropDef);
            return relDef;
        }