/// <summary>
/// Insert a new database record from the supplied data transfer object.
/// </summary>
/// <param name="transaction">
/// The current transaction to the database.
/// </param>
/// <param name="partition">
/// The database partition (schema) where the requested resource will be stored.
/// </param>
/// <param name="diagramObject">
/// The diagramObject 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.DiagramObject diagramObject, CDP4Common.DTO.Thing container = null)
{
bool isHandled;
var valueTypeDictionaryAdditions = new Dictionary <string, string>();
var beforeWrite = this.BeforeWrite(transaction, partition, diagramObject, container, out isHandled, valueTypeDictionaryAdditions);
if (!isHandled)
{
beforeWrite = beforeWrite && base.Write(transaction, partition, diagramObject, container);
var valueTypeDictionaryContents = new Dictionary <string, string>
{
{ "Resolution", !this.IsDerived(diagramObject, "Resolution") ? diagramObject.Resolution.ToString() : string.Empty },
{ "Documentation", !this.IsDerived(diagramObject, "Documentation") ? diagramObject.Documentation.Escape() : 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}\".\"DiagramObject\"", partition);
sqlBuilder.AppendFormat(" (\"Iid\", \"ValueTypeDictionary\")");
sqlBuilder.AppendFormat(" VALUES (:iid, :valueTypeDictionary);");
command.Parameters.Add("iid", NpgsqlDbType.Uuid).Value = diagramObject.Iid;
command.Parameters.Add("valueTypeDictionary", NpgsqlDbType.Hstore).Value = valueTypeDictionaryContents;
command.CommandText = sqlBuilder.ToString();
command.Connection = transaction.Connection;
command.Transaction = transaction;
this.ExecuteAndLogCommand(command);
}
}
return(this.AfterWrite(beforeWrite, transaction, partition, diagramObject, container));
}
/// <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.DiagramObject"/>.
/// </returns>
public virtual CDP4Common.DTO.DiagramObject MapToDto(NpgsqlDataReader reader)
{
string tempDocumentation;
string tempModifiedOn;
string tempName;
string tempResolution;
string tempThingPreference;
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.DiagramObject(iid, revisionNumber);
dto.Bounds.AddRange(Array.ConvertAll((string[])reader["Bounds"], Guid.Parse));
dto.DepictedThing = reader["DepictedThing"] is DBNull ? (Guid?)null : Guid.Parse(reader["DepictedThing"].ToString());
dto.DiagramElement.AddRange(Array.ConvertAll((string[])reader["DiagramElement"], Guid.Parse));
dto.ExcludedDomain.AddRange(Array.ConvertAll((string[])reader["ExcludedDomain"], Guid.Parse));
dto.ExcludedPerson.AddRange(Array.ConvertAll((string[])reader["ExcludedPerson"], Guid.Parse));
dto.LocalStyle.AddRange(Array.ConvertAll((string[])reader["LocalStyle"], Guid.Parse));
dto.SharedStyle = reader["SharedStyle"] is DBNull ? (Guid?)null : Guid.Parse(reader["SharedStyle"].ToString());
if (valueDict.TryGetValue("Documentation", out tempDocumentation))
{
dto.Documentation = tempDocumentation.UnEscape();
}
if (valueDict.TryGetValue("ModifiedOn", out tempModifiedOn))
{
dto.ModifiedOn = Utils.ParseUtcDate(tempModifiedOn);
}
if (valueDict.TryGetValue("Name", out tempName))
{
dto.Name = tempName.UnEscape();
}
if (valueDict.TryGetValue("Resolution", out tempResolution))
{
dto.Resolution = float.Parse(tempResolution);
}
if (valueDict.TryGetValue("ThingPreference", out tempThingPreference) && tempThingPreference != null)
{
dto.ThingPreference = tempThingPreference.UnEscape();
}
return(dto);
}