/**
* Queries the given customer's orders.
*
* @param alias the customer alias
* @param passwordHash the customer password-hash
* @return the customer's orders
* @throws IllegalStateException if the login data is invalid
* @throws SQLException if there is a problem with the underlying JDBC connection
*/
public SortedSet<Order> queryOrders(final String alias, final byte[] passwordHash)
throws SQLException {
final SortedSet<Order> orders = new TreeSet<Order>();
final Customer customer = this.queryCustomer(alias, passwordHash);
synchronized (this.connection) {
try (PreparedStatement statement = this.connection.prepareStatement(SQL_SELECT_PURCHASES)) {
statement.setLong(1, customer.getIdentity());
try (ResultSet resultSet = statement.executeQuery()) {
while (resultSet.next()) {
final Order purchase = new Order();
purchase.setIdentity(resultSet.getLong("identity"));
purchase.setCustomerIdentity(resultSet.getLong("customerIdentity"));
purchase.setCreationTimestamp(resultSet.getLong("creationTimestamp"));
purchase.setTaxRate(resultSet.getDouble("taxRate"));
orders.add(purchase);
}
}
}
}
for (final Order purchase : orders) {
this.populateOrderItems(purchase);
}
return orders;
}
/**
* Queries the given customer's order with the given identity.
*
* @param alias the customer alias
* @param passwordHash the customer password-hash
* @param orderIdentity the order identity
* @return the customer's order
* @throws IllegalStateException if the login data is invalid
* @throws SQLException if there is a problem with the underlying JDBC connection
*/
public Order queryOrder(final String alias, final byte[] passwordHash, final long orderIdentity)
throws SQLException {
final Order order = new Order();
final Customer customer = this.queryCustomer(alias, passwordHash);
synchronized (this.connection) {
try (PreparedStatement statement = this.connection.prepareStatement(SQL_SELECT_PURCHASE)) {
statement.setLong(1, orderIdentity);
try (ResultSet resultSet = statement.executeQuery()) {
if (!resultSet.next()) throw new IllegalStateException("purchase doesn't exist.");
if (customer.getIdentity() != resultSet.getLong("customerIdentity"))
throw new IllegalStateException("purchase not created by given customer.");
order.setIdentity(resultSet.getLong("identity"));
order.setCustomerIdentity(resultSet.getLong("customerIdentity"));
order.setCreationTimestamp(resultSet.getLong("creationTimestamp"));
order.setTaxRate(resultSet.getDouble("taxRate"));
}
}
}
this.populateOrderItems(order);
return order;
}