How should I refer to inner enums (defined within an entity) from a JPQL query using Hibernate?

I have an entity class as follows:

package stuff;

class Thing {

    private Long id;

    private State state;

    public enum State {

How can I select all Things with state AWESOME using JPQL and Hibernate?

select t from Thing t where t.state=stuff.Thing.State.AWESOME the error...

org.hibernate.hql.internal.ast.QuerySyntaxException: Invalid path: 'stuff.Thing.State.AWESOME'


Use the following idiom:

select t from Thing t where t.state=stuff.Thing$State.AWESOME

Type$InnerType is Java's naming convention for inner types.

When you try to use dot notation, Hibernate assumes that you're trying to access nested properties, which (properly) fails in this case.

select t from Thing t where t.state='AWESOME'

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