protected override void OnBeginImport()
{
this._tablePrefix = string.Format("{0}_{1}_{2}_{3}", this.CurrentDelivery.Account.ID, this.CurrentDelivery.Name, DateTime.Now.ToString("yyyMMdd_HHmmss"), this.CurrentDelivery.DeliveryID.ToString("N").ToLower());
this.CurrentDelivery.Parameters.Add(Consts.DeliveryHistoryParameters.TablePerfix, this._tablePrefix);
int bufferSize = int.Parse(AppSettings.Get(this, Consts.AppSettings.BufferSize));
// MAPPER: load measures and properties using account/channel and options
// this.Measures =
// this.MetaProperties =
// Connect to database
_sqlConnection = NewDeliveryDbConnection();
_sqlConnection.Open();
// OBJECTMANAGER: run SP to setup delivery object tables (Usid instead of GK)
// EXAMPLE - ObjectManager.CreateDeliveryObjectTables(string tablePrefix)
// TABLEMANAGER: run SP to create metrics table
AdMetricsUnit exampleUnit = new AdMetricsUnit();
_tableManager = new TableManager(_sqlConnection);
string tableName = _tableManager.CreateDeliveryMetricsTable(this._tablePrefix, exampleUnit);
this.CurrentDelivery.Parameters[Consts.DeliveryHistoryParameters.DeliveryMetricsTableName] = tableName;
// CHECKSUMMANAGER: setup
// MAPPER: setup bulks for objects and metrics
}