On Thu, Nov 30, 2017 at 10:34 AM, <[email protected]> wrote:
> Hi all,
>
> I'm using jackson to serialize POGOs (Groovy POJO) to and from json. By
> default, jackson will start at the top of the inheritance tree and output
> the values in order of the inheritance. Unfortunately, the base class that
> all of my POGOs extend from contains the variables that should be displayed
> last. Additionally, the direct parent class should still be displayed before
> the child class. Is there any way to define the order in which the inherited
> classes are displayed in the output?
The main mechanism for changing serialization order is by using
`@JsonPropertyOrder` annotation,
or, for custom ordering, method in `AnnotationIntrospector` that
normally reads and uses that
annotation. There is no way to configure handling with respect to
inheritance order.
-+ Tatu +-
>
>
> Example:
>
> These variables should be displayed last.
>
> class BaseEntity
> {
> String createUser;
> Date createDate;
> String updateUser;
> Date updateDate;
> int version = 0;
>
>
> ...
>
> }
>
>
> These variables should be displayed first.
>
> class DatastoreEntity<T extends DatastoreEntity> extends BaseEntity
> implements Cloneable
> {
> @Id
> Long id;
>
> @Ignore
> @JsonIgnore
> T original;
>
>
> ...
>
> }
>
>
> These variables should be displayed between the other two.
>
> @Entity
> public class Person extends DatastoreEntity<Person>
> {
>
> @Index
> String firstName;
>
> @Index
> String lastName;
>
> @Index
> int age;
>
> @Index
> String gender
> }
>
>
> Current Output:
>
> {
> "createUser": "[email protected]",
> "createDate": 1512064212616,
> "updateUser": "[email protected]",
> "updateDate": 1512064212616,
> "version": 1,
> "id": 5717271485874176,
> "firstName": "Steve",
> "lastName": "Johnson",
> "age": 30,
> "gender": "male"
> }
>
> Desired Output:
> {
> "id": 5717271485874176,
> "firstName": "Steve",
> "lastName": "Johnson",
> "age": 30,
> "gender": "male",
> "createUser": "[email protected]",
> "createDate": 1512064212616,
> "updateUser": "[email protected]",
> "updateDate": 1512064212616,
> "version": 1
> }
>
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