/// <summary> /// The mapping from a database record to data transfer object. /// </summary> /// <param name="reader"> /// An instance of the SQL reader. /// </param> /// <returns> /// A deserialized instance of <see cref="CDP4Common.DTO.Constant"/>. /// </returns> public virtual CDP4Common.DTO.Constant MapToDto(NpgsqlDataReader reader) { string tempIsDeprecated; string tempModifiedOn; string tempName; string tempShortName; string tempThingPreference; string tempValue; var valueDict = (Dictionary <string, string>)reader["ValueTypeSet"]; var iid = Guid.Parse(reader["Iid"].ToString()); var revisionNumber = int.Parse(valueDict["RevisionNumber"]); var dto = new CDP4Common.DTO.Constant(iid, revisionNumber); dto.Alias.AddRange(Array.ConvertAll((string[])reader["Alias"], Guid.Parse)); dto.Category.AddRange(Array.ConvertAll((string[])reader["Category"], Guid.Parse)); dto.Definition.AddRange(Array.ConvertAll((string[])reader["Definition"], Guid.Parse)); dto.ExcludedDomain.AddRange(Array.ConvertAll((string[])reader["ExcludedDomain"], Guid.Parse)); dto.ExcludedPerson.AddRange(Array.ConvertAll((string[])reader["ExcludedPerson"], Guid.Parse)); dto.HyperLink.AddRange(Array.ConvertAll((string[])reader["HyperLink"], Guid.Parse)); dto.ParameterType = Guid.Parse(reader["ParameterType"].ToString()); dto.Scale = reader["Scale"] is DBNull ? (Guid?)null : Guid.Parse(reader["Scale"].ToString()); if (valueDict.TryGetValue("IsDeprecated", out tempIsDeprecated)) { dto.IsDeprecated = bool.Parse(tempIsDeprecated); } if (valueDict.TryGetValue("ModifiedOn", out tempModifiedOn)) { dto.ModifiedOn = Utils.ParseUtcDate(tempModifiedOn); } if (valueDict.TryGetValue("Name", out tempName)) { dto.Name = tempName.UnEscape(); } if (valueDict.TryGetValue("ShortName", out tempShortName)) { dto.ShortName = tempShortName.UnEscape(); } if (valueDict.TryGetValue("ThingPreference", out tempThingPreference) && tempThingPreference != null) { dto.ThingPreference = tempThingPreference.UnEscape(); } if (valueDict.TryGetValue("Value", out tempValue)) { dto.Value = tempValue.FromHstoreToValueArray <string>(); } return(dto); }
/// <summary> /// Insert a new database record from the supplied data transfer object. /// </summary> /// <param name="transaction"> /// The current <see cref="NpgsqlTransaction"/> to the database. /// </param> /// <param name="partition"> /// The database partition (schema) where the requested resource will be stored. /// </param> /// <param name="constant"> /// The constant DTO that is to be persisted. /// </param> /// <param name="container"> /// The container of the DTO to be persisted. /// </param> /// <returns> /// True if the concept was successfully persisted. /// </returns> public virtual bool Write(NpgsqlTransaction transaction, string partition, CDP4Common.DTO.Constant constant, CDP4Common.DTO.Thing container = null) { bool isHandled; var valueTypeDictionaryAdditions = new Dictionary <string, string>(); var beforeWrite = this.BeforeWrite(transaction, partition, constant, container, out isHandled, valueTypeDictionaryAdditions); if (!isHandled) { beforeWrite = beforeWrite && base.Write(transaction, partition, constant, container); var valueTypeDictionaryContents = new Dictionary <string, string> { { "IsDeprecated", !this.IsDerived(constant, "IsDeprecated") ? constant.IsDeprecated.ToString() : string.Empty }, { "Value", !this.IsDerived(constant, "Value") ? constant.Value.ToHstoreString() : string.Empty }, }.Concat(valueTypeDictionaryAdditions).ToDictionary(kvp => kvp.Key, kvp => kvp.Value); using (var command = new NpgsqlCommand()) { var sqlBuilder = new System.Text.StringBuilder(); sqlBuilder.AppendFormat("INSERT INTO \"{0}\".\"Constant\"", partition); sqlBuilder.AppendFormat(" (\"Iid\", \"ValueTypeDictionary\", \"Container\", \"ParameterType\", \"Scale\")"); sqlBuilder.AppendFormat(" VALUES (:iid, :valueTypeDictionary, :container, :parameterType, :scale);"); command.Parameters.Add("iid", NpgsqlDbType.Uuid).Value = constant.Iid; command.Parameters.Add("valueTypeDictionary", NpgsqlDbType.Hstore).Value = valueTypeDictionaryContents; command.Parameters.Add("container", NpgsqlDbType.Uuid).Value = container.Iid; command.Parameters.Add("parameterType", NpgsqlDbType.Uuid).Value = !this.IsDerived(constant, "ParameterType") ? constant.ParameterType : Utils.NullableValue(null); command.Parameters.Add("scale", NpgsqlDbType.Uuid).Value = !this.IsDerived(constant, "Scale") ? Utils.NullableValue(constant.Scale) : Utils.NullableValue(null); command.CommandText = sqlBuilder.ToString(); command.Connection = transaction.Connection; command.Transaction = transaction; this.ExecuteAndLogCommand(command); } constant.Category.ForEach(x => this.AddCategory(transaction, partition, constant.Iid, x)); } return(this.AfterWrite(beforeWrite, transaction, partition, constant, container)); }