How to Synchronize
In our current implementation, the debit and credit transactions are processed synchronously by our simplistic Account class:
| support_code/17/src/main/java/nicebank/Account.java | |
| | package nicebank; |
| | |
| | public class Account { |
| | private Money balance = new Money(); |
| | |
| | public void credit(Money amount) { |
| | balance = balance.add(amount); |
| | } |
| | |
| | public void debit(int dollars) { |
| | balance = balance.minus(new Money(dollars, 0)); |
| | } |
| | |
| | public Money getBalance() { |
| | return balance; |
| | } |
| | } |
This implementation, where the balance is updated during the method call to credit or debit, means that we can be certain the balance will have been updated by the time Cucumber checks the account balance in the final ...
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