Question

I’ve searched on internet about my problem.. but I not found a good solution.

I need to get the json showed at the end:

I’ve 2 classes

class Order {
    Long id;

    Client client;
}

class Client {
    Long id;
}

When I serialize Order I get:

[{"id":1,"client":{"id":1}]

But I want instead to obtain:

[{"id":1,"client":1}]

How can i reach this?

Thank you for any solution!!!
Marco

Answer 1

– When a class implements Serializable, then its object or the object of its Sub-class are made to be Serialized.

– Now its the Fields of the Object, Not the Object itself that is being Serialized.

– And the entire object graph needs to be serialized, if not the Serialization fails.

– So Client being an Object Reference Variable in Order Class will get Serialize, and so does its Field id.

– You canNot Serialize property of a field instead of entire field, but if you want you can prevent Field from being serialized using transient keyword.