Is it okay to extend from classes that extend RealmObject in Java?

Question

Let me explain with the help of a example. I have a Transaction Class (Realm table) which extends RealmObject. I want to create a DeletedTransaction Class (Realm table) which will store transactions after they are deleted. Instead of making two seperate Classes (Transaction and DeletedTransaction) which both extend RealmObject, can I just make the Transaction Class extend RealmObject and then can I make the DeletedTransaction Class extend the Transaction Class?

I know this is possible from the Java perspective, but I wanted to know from the Realm perspective. What are the pros/cons of such an approach?

The con is that this is not supported, and you'll need two separate classes. — EpicPandaForce, Apr 16 '19 at 10:23

score 1 · Accepted Answer · answered Apr 16 '19 at 07:27

1

Inheritance in RealmObject is not supported. Issue#761

Instead of extending RealmObject, your classes can implement the RealmModel interface, adding the @RealmClass annotation:

@RealmClass
public class User implements RealmModel {

}

Reference-Docs

answered Apr 16 '19 at 07:27

Aks4125

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You still won't be able to inherit fields between RealmModels though, can you? – EpicPandaForce Apr 16 '19 at 10:23
No that is not currently supported AFAIK. :| – Aks4125 Apr 17 '19 at 10:12
@EpicPandaForce - [help](https://stackoverflow.com/questions/55758555/realm-java-nested-query-on-same-arrayobject) – Aks4125 Apr 19 '19 at 08:02

Is it okay to extend from classes that extend RealmObject in Java?

1 Answers1