Example #1
0
  public static void main(String[] args) throws Exception {
    System.out.println("hello from Customer.java");

    EntityManagerFactory factory = Persistence.createEntityManagerFactory("customerPU");
    EntityManager manager = factory.createEntityManager();
    Query q1 = manager.createQuery("SELECT COUNT(c) FROM Customer c");
    Long count = (Long) q1.getSingleResult();
    if (count == 0) {
      // record is empty, read from data.txst
      System.out.println("record empty, read from data.txt...");
      // try {
      FileReader fr = new FileReader("data.txt");
      BufferedReader br = new BufferedReader(fr);
      String s;
      while ((s = br.readLine()) != null) {

        // System.out.println(s);
        // split the string s
        Object[] items = s.split("\\|");
        // store in string list
        // List<String> itemList= new ArrayList<String>(Arrays.asList(items));
        // string list converted to array

        // Object[] itemArray = itemList.toArray();
        // insert data into database table
        manager.getTransaction().begin();
        Customer c = new Customer();

        // add email
        c.setEmail((String) items[0]);

        // add pass
        c.setPass((String) items[1]);

        // add name
        c.setName((String) items[2]);

        // add address
        c.setAddress((String) items[3]);

        // add yob
        c.setYob((String) items[4]);

        // change to managed state
        manager.persist(c);
        manager.getTransaction().commit();
      }
      fr.close();
    }

    // display the records
    Query q2 = manager.createNamedQuery("Customer.findAll");
    List<Customer> customers = q2.getResultList();
    for (Customer c : customers) {
      System.out.println(c.getName() + ", " + c.getEmail());
    }

    manager.close();
    factory.close();
  }
Example #2
0
  public void printAllAccounts(String customerID) {
    // Sorts the customer based on ID, then prints the accounts information

    // change the withdrawal funcitons and deposit functions too
    ajf.dispose();
    ajf = new AdminRunningFrame(this);

    Collections.sort(cust, Customer.CompareIDs);
    String searchString = ajf.getCustomerID();

    StringBuilder stringResults = new StringBuilder();
    String header = header();
    stringResults.append(header);
    for (Customer customer : cust) {
      String id = customer.returnID();
      String name = customer.getName().toUpperCase();
      String pin = customer.returnPin();
      if (searchString.equals(id)) {
        ArrayList<Account> accounts = customer.getAccounts();
        if (!accounts.isEmpty()) {
          for (Account account : accounts) {
            if (account.checkActive()) {
              String accountNumber = account.returnNumber();
              double balance = account.returnBalance();
              String balanceAsString = formatter.format(balance);
              String customerInfo = printAdminInfo(name, id, accountNumber, pin, balanceAsString);
              stringResults.append(customerInfo);
            }
          }
        }
      }
    }
    String resultsAsString = stringResults.toString();
    ajf.printInfo(resultsAsString);
  }
Example #3
0
  public void printHighestBalance() {
    // prints the accounts from highest amount to lowest, with those who have empty accounts last
    ajf.dispose();
    ajf = new AdminRunningFrame(this);

    StringBuilder stringResults = new StringBuilder();
    String header = header();
    stringResults.append(header);

    if (!cust.isEmpty()) {
      ArrayList<Account> allAccounts = new ArrayList<Account>();
      ArrayList<Customer> CustomersNoAccounts = new ArrayList<Customer>();
      for (Customer c : cust) {
        ArrayList<Account> accounts = c.getAccounts();
        if (!accounts.isEmpty()) {
          // Concatenates all the accounts together for easy sorting
          allAccounts.addAll(accounts);
        }
        // Adds customers without accounts to a separate list to be printed at the end of all the
        // others
        else {
          CustomersNoAccounts.add(c);
        }
      }
      if (!allAccounts.isEmpty()) {
        Collections.sort(allAccounts, Account.CompareBalances);
        for (Account a : allAccounts) {
          if (a.checkActive()) {
            String id = a.getID();
            String name = a.getName().toUpperCase();
            String pin = a.getPin();
            String accountNumber = a.returnNumber();
            double balance = a.returnBalance();
            String balanceAsString = formatter.format(balance);
            String customerInfo = printAdminInfo(name, id, accountNumber, pin, balanceAsString);
            stringResults.append(customerInfo);
          }
        }
      }
      if (!CustomersNoAccounts.isEmpty()) {
        Collections.sort(CustomersNoAccounts, Customer.CompareName);
        for (Customer c : CustomersNoAccounts) {
          String id = c.returnID();
          String name = c.getName().toUpperCase();
          String pin = c.returnPin();
          String noAccounts = String.format("%-20s %-9s %-10s\n", name, id, pin);
          stringResults.append(noAccounts);
        }
      }
      String resultsAsString = stringResults.toString();
      ajf.printInfo(resultsAsString);
    }
  }
 public void addCustomer(Customer customer) throws IllegalArgumentException {
   if (!(this.customer.contains(customer))) this.customer.add(customer);
   else if (this.customer.contains(customer))
     throw new IllegalArgumentException(
         "There are already an exist customer: "
             + customer.getName()
             + "\nCustomer name can not be duplicate!");
   for (int p = 0; p < this.customer.size(); p++) {
     customer = this.customer.get(p);
     customerSorting();
   }
 }
Example #5
0
  public void printByCustomerName() {
    // Prints the database info by customer's name in ascending order
    Collections.sort(cust, Customer.CompareName);
    ajf.dispose();
    ajf = new AdminRunningFrame(this);

    StringBuilder stringResults = new StringBuilder();
    String header = header();
    stringResults.append(header);

    if (!cust.isEmpty()) {
      for (Customer customer : cust) {
        String id = customer.returnID();
        String name = customer.getName().toUpperCase();
        String pin = customer.returnPin();
        ArrayList<Account> accounts = customer.getAccounts();
        if (!accounts.isEmpty()) {
          for (Account account : accounts) {
            if (account.checkActive()) {
              String accountNumber = account.returnNumber();
              double balance = account.returnBalance();
              String balanceAsString = formatter.format(balance);
              String customerInfo = printAdminInfo(name, id, accountNumber, pin, balanceAsString);
              stringResults.append(customerInfo);
            }
          }

        } else {
          // Still prints customers who have created customer accounts but not set up any
          // checking/savings
          String noAccounts = String.format("%-20s %-9s %-10s\n", name, id, pin);
          stringResults.append(noAccounts);
        }
      }
    }
    String resultsAsString = stringResults.toString();
    ajf.printInfo(resultsAsString);
  }