public Transaction getTransaction(int id) {
for (Transaction transaction : transactions) {
if (transaction.getId() == id) {
return transaction;
}
}
return null;
}
public List<Transaction> getTransactionsForAccount(int accountId, TransactionCriteria criteria) {
List<Transaction> accountTransactions = new ArrayList<Transaction>();
for (Transaction transaction : transactions) {
if (transaction.getAccountId() == accountId) {
accountTransactions.add(transaction);
}
}
return accountTransactions;
}
public int createTransaction(Transaction transaction) {
transaction.setId(++ID);
transactions.add(transaction);
return ID;
}