@Path("/rooms")
@Produces(MediaType.APPLICATION_JSON)
@Consumes(MediaType.APPLICATION_JSON)
@Transactional
public class RoomResource {

    @GET
    public List<Room> getAllRooms() {
        return Room.listAll(Sort.by("name").and("id"));
    }

    @POST
    public Response add(Room room) {
        Room.persist(room);
        return Response.accepted(room).build();
    }

    @DELETE
    @Path("{roomId}")
    public Response delete(@PathParam("roomId") Long roomId) {
        Room room = Room.findById(roomId);
        if (room == null) {
            return Response.status(Response.Status.NOT_FOUND).build();
        }
        room.delete();
        return Response.status(Response.Status.OK).build();
    }

}

public interface RoomResource extends PanacheEntityResource<Room, Long> {
}