Esempio n. 1
0
        /// <summary>
        /// 获取指定名称的属性元素对象。
        /// </summary>
        /// <param name="name">指定的属性名称,支持以点(.)为分隔符的属性名路径。</param>
        /// <returns>返回找到的属性元素,如果没有找到指定路径的属性元素则返回空(null)。</returns>
        public MetadataEntityProperty GetProperty(string name)
        {
            if (string.IsNullOrWhiteSpace(name))
            {
                return(null);
            }

            var parts  = name.Split('.');
            var entity = this;

            MetadataEntityProperty property = null;

            foreach (var part in parts)
            {
                while (entity != null)
                {
                    property = entity.Properties[part];

                    if (property == null)
                    {
                        entity = entity.BaseEntity;
                    }
                    else
                    {
                        var complexProperty = property as MetadataEntityComplexProperty;

                        if (complexProperty != null)
                        {
                            entity = complexProperty.Relationship.GetToEntity();
                        }

                        break;
                    }
                }

                if (property == null)
                {
                    return(null);
                }
            }

            return(property);
        }
Esempio n. 2
0
            private MetadataEntityProperty[] GetEntityReferences(string memberName)
            {
                var association = this.Association;

                if (association == null)
                {
                    return(null);
                }

                var entity   = association.Members[memberName].Entity;
                var refNames = association.Members[memberName].Properties;
                var refs     = new MetadataEntityProperty[refNames.Length];

                for (int i = 0; i < refs.Length; i++)
                {
                    refs[i] = entity.Properties[refNames[i]];
                }

                return(refs);
            }