public Response addCustomer(Customer customer) {
System.out.println("----invoking addCustomer, Customer name is: " + customer.getName());
customer.setId(++currentId);
customers.put(customer.getId(), customer);
return Response.ok(customer).build();
}
final void init() {
Customer c = new Customer();
c.setName("John");
c.setId(123);
customers.put(c.getId(), c);
}