public virtual void Transfer(Decimal sum)
{
TransactionChain = new DebitTransfer(SourceAccount, DestinationAccount);
TransactionChain
.SetNext(new DepositTransfer(SourceAccount, DestinationAccount))
.SetNext(new CreditTransfer(SourceAccount, DestinationAccount));
TransactionChain.Transfer(sum);
}
public virtual void Withdraw(Decimal sum)
{
TransactionChain = new DebitWithdraw(SourceAccount);
TransactionChain
.SetNext(new DepositWithdraw(SourceAccount))
.SetNext(new CreditWithdraw(SourceAccount));
TransactionChain.Withdraw(sum);
}