Get an Objectify Entity's Key

Question

Dummy question.

I create my POJO Objectify entity (for example, \"Category\") and persist it.

Then I retrieve it via a query.

I want to use it in a

Answer 1

The Key class in Objectify 4 has this method:

public static  Key create(T pojo)

so, if you already have read the entity (called category in this example) from the datastore, you can just call

product.categoria = Key.create(category);