/// <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.RelationalExpression"/>.
/// </returns>
public virtual CDP4Common.DTO.RelationalExpression MapToDto(NpgsqlDataReader reader)
{
string tempModifiedOn;
string tempValue;
string tempRelationalOperator;
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.RelationalExpression(iid, revisionNumber);
dto.ExcludedPerson.AddRange(Array.ConvertAll((string[])reader["ExcludedPerson"], Guid.Parse));
dto.ExcludedDomain.AddRange(Array.ConvertAll((string[])reader["ExcludedDomain"], 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("ModifiedOn", out tempModifiedOn))
{
dto.ModifiedOn = Utils.ParseUtcDate(tempModifiedOn);
}
if (valueDict.TryGetValue("Value", out tempValue))
{
dto.Value = tempValue.FromHstoreToValueArray <string>();
}
if (valueDict.TryGetValue("RelationalOperator", out tempRelationalOperator))
{
dto.RelationalOperator = Utils.ParseEnum <CDP4Common.EngineeringModelData.RelationalOperatorKind>(tempRelationalOperator);
}
return(dto);
}
/// <summary>
/// Update a 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 updated.
/// </param>
/// <param name="relationalExpression">
/// The RelationalExpression DTO that is to be updated.
/// </param>
/// <param name="container">
/// The container of the DTO to be updated.
/// </param>
/// <returns>
/// True if the concept was successfully updated.
/// </returns>
public virtual bool Update(NpgsqlTransaction transaction, string partition, CDP4Common.DTO.RelationalExpression relationalExpression, CDP4Common.DTO.Thing container = null)
{
bool isHandled;
var valueTypeDictionaryAdditions = new Dictionary <string, string>();
var beforeUpdate = this.BeforeUpdate(transaction, partition, relationalExpression, container, out isHandled, valueTypeDictionaryAdditions);
if (!isHandled)
{
beforeUpdate = beforeUpdate && base.Update(transaction, partition, relationalExpression, container);
var valueTypeDictionaryContents = new Dictionary <string, string>
{
{ "RelationalOperator", !this.IsDerived(relationalExpression, "RelationalOperator") ? relationalExpression.RelationalOperator.ToString() : string.Empty },
{ "Value", !this.IsDerived(relationalExpression, "Value") ? relationalExpression.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("UPDATE \"{0}\".\"RelationalExpression\"", partition);
sqlBuilder.AppendFormat(" SET (\"ValueTypeDictionary\", \"ParameterType\", \"Scale\")");
sqlBuilder.AppendFormat(" = (:valueTypeDictionary, :parameterType, :scale)");
sqlBuilder.AppendFormat(" WHERE \"Iid\" = :iid;");
command.Parameters.Add("iid", NpgsqlDbType.Uuid).Value = relationalExpression.Iid;
command.Parameters.Add("valueTypeDictionary", NpgsqlDbType.Hstore).Value = valueTypeDictionaryContents;
command.Parameters.Add("parameterType", NpgsqlDbType.Uuid).Value = !this.IsDerived(relationalExpression, "ParameterType") ? relationalExpression.ParameterType : Utils.NullableValue(null);
command.Parameters.Add("scale", NpgsqlDbType.Uuid).Value = !this.IsDerived(relationalExpression, "Scale") ? Utils.NullableValue(relationalExpression.Scale) : Utils.NullableValue(null);
command.CommandText = sqlBuilder.ToString();
command.Connection = transaction.Connection;
command.Transaction = transaction;
this.ExecuteAndLogCommand(command);
}
}
return(this.AfterUpdate(beforeUpdate, transaction, partition, relationalExpression, container));
}
/// <summary>
/// Insert a new database record, or updates one if it already exists from the supplied data transfer object.
/// This is typically used during the import of existing data to the Database.
/// </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="relationalExpression">
/// The relationalExpression 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 Upsert(NpgsqlTransaction transaction, string partition, CDP4Common.DTO.RelationalExpression relationalExpression, CDP4Common.DTO.Thing container = null)
{
var valueTypeDictionaryAdditions = new Dictionary <string, string>();
base.Upsert(transaction, partition, relationalExpression, container);
var valueTypeDictionaryContents = new Dictionary <string, string>
{
{ "RelationalOperator", !this.IsDerived(relationalExpression, "RelationalOperator") ? relationalExpression.RelationalOperator.ToString() : string.Empty },
{ "Value", !this.IsDerived(relationalExpression, "Value") ? relationalExpression.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}\".\"RelationalExpression\"", partition);
sqlBuilder.AppendFormat(" (\"Iid\", \"ValueTypeDictionary\", \"ParameterType\", \"Scale\")");
sqlBuilder.AppendFormat(" VALUES (:iid, :valueTypeDictionary, :parameterType, :scale)");
command.Parameters.Add("iid", NpgsqlDbType.Uuid).Value = relationalExpression.Iid;
command.Parameters.Add("valueTypeDictionary", NpgsqlDbType.Hstore).Value = valueTypeDictionaryContents;
command.Parameters.Add("parameterType", NpgsqlDbType.Uuid).Value = !this.IsDerived(relationalExpression, "ParameterType") ? relationalExpression.ParameterType : Utils.NullableValue(null);
command.Parameters.Add("scale", NpgsqlDbType.Uuid).Value = !this.IsDerived(relationalExpression, "Scale") ? Utils.NullableValue(relationalExpression.Scale) : Utils.NullableValue(null);
sqlBuilder.Append(" ON CONFLICT (\"Iid\")");
sqlBuilder.Append(" DO UPDATE ");
sqlBuilder.Append(" SET (\"ValueTypeDictionary\", \"ParameterType\", \"Scale\")");
sqlBuilder.Append(" = (:valueTypeDictionary, :parameterType, :scale);");
command.CommandText = sqlBuilder.ToString();
command.Connection = transaction.Connection;
command.Transaction = transaction;
this.ExecuteAndLogCommand(command);
}
return(true);
}