///<summary>
/// Executes any custom code required by the business object before it is persisted to the database.
/// This has the additionl capability of creating or updating other business objects and adding these
/// to the transaction committer.
/// <remarks> Recursive call to UpdateObjectBeforePersisting will not be done i.e. it is the bo developers responsibility to implement</remarks>
///</summary>
///<param name="transactionCommitter">the transaction committer that is executing the transaction</param>
protected internal override void UpdateObjectBeforePersisting(ITransactionCommitter transactionCommitter)
{
base.UpdateObjectBeforePersisting(transactionCommitter);
INumberGenerator numGen = new NumberGenerator("GeneratedNumber");
this.GeneratedNumber = numGen.NextNumber().ToString();
numGen.AddToTransaction(transactionCommitter);
}