public void Add(AccountTransaction transaction)
{
AccountPosition accountPosition = this.positionArray[(int)transaction.CurrencyId];
if (accountPosition == null)
{
accountPosition = new AccountPosition(transaction);
this.positionArray[(int)accountPosition.CurrencyId] = accountPosition;
this.positions.Add(accountPosition);
}
else
{
accountPosition.Add(transaction);
}
this.transactions.Add(transaction);
}