All Questions
10 questions
1
vote
5
answers
933
views
DTO vs POJO (Entity) on POST request
If I have for example a User POJO like the following
@AllArgsConstructor
public class User {
@Id
private final String id;
private String username;
private String password;
private Date createdDate;...
- 119
0
votes
1
answer
348
views
API Split for creating object with inheritance and behaviors
I have a web service which is exposed to UI owned by our team. This web service is responsible for creation of objects and saving it in the DB (NoSQL Database). The object being created has multiple ...
- 101
0
votes
1
answer
94
views
Problems with software layers in complex query methods
I designed a rest api software with 2 simple layers: Controller and Service. The controller handles the coming http request and redirect to a service method. In the beginning of development every was ...
- 117
-1
votes
1
answer
752
views
Exposing java service as static method or seam dependency
Our legacy application provide a static method public static boolean persist(Data data) for service/class callers for data persistence.
I do see unit testing issue for callers. Is this also an ...
- 107
0
votes
2
answers
181
views
How to write the following snippet in more cleaner way?
When the caller gives me a call, I need to evaluate n number of criteria which currently I'm doing like
if (a & b & c & d & e)
Day by day the conditions are growing and it's ...
- 366
1
vote
1
answer
841
views
Have generic methods that transfer DTO's from different packages, but contain same fields
I have 3 services Service A, B, C which put and get data to/from Service D
+============================================+
| Service A | Service B | Service C |
+==============================...
- 121
1
vote
2
answers
163
views
Is passing an ErrorMessage to be populated inside the receiving method an anti-pattern?
I come from a Java background, and my colleague is from .NET. We are working on a Java project and I saw him create a method like this:
public Object myMethod(Object[] param1, ErrorMessage ...
- 131
6
votes
6
answers
5k
views
Should constructors ever be used only for side-effects?
Summary: Why is it wrong to design a constructor only for its side effects, and then to use the constructor without ever assigning its return value to a variable?
I'm working on a project that ...
- 179
1
vote
2
answers
1k
views
Polymorphic constants in Java
I am designing some polymorphic code to perform mathematical operations. The idea is to abstract out the underlying representation of the data, as different use cases require different representations....
- 1,871
4
votes
1
answer
3k
views
Designing a flexible API with support for Callbacks
I am writing a Java library that needs to make http GET && POST requests. There will be two types of users of this library:
Those with understanding of callbacks and know how to use them.
...
- 143