Exercice 11 : Use mutiny's Uni only, rm Multi mention

code/exercise_011_Going_Reactive/README.md

@@ -17,8 +17,7 @@ Note: one of the reasons we removed the `quarkus-hibernate-orm-rest-data-panache
 * Remove the setting `quarkus.datasource.jdbc.url`, and replace it with this setting:
 ` quarkus.datasource.reactive.url=postgresql://localhost:8765/postgres`
 * Go to your `Product` class. Delete the old `PanacheEntity` import, and find the proper import to use now.
-* Now, go to `ProductsResource`, and make it work again. Note that you can return `Uni` or `Multi` reponses from your resource methods now that you have RESTeasy reactive.
-  Try two options: returning a `Multi<Product>` from the `products()` method, or returning a `Uni<List<Product>>`. What’s the conceptual difference between these?
+* Now, go to `ProductsResource`, and make it work again. Note that you can return `Uni` responses from your resource methods now that you have RESTeasy reactive.
 * For the `PUT` endpoint, do the following:
   - Start with `Product.<Product>findById(id)`, and `flatMap` the resulting `Uni`.
   - Within the `flatMap`, update the product, and invoke `persistAndFlush`

code/exercise_011_Going_Reactive/src/main/java/com/lunatech/training/quarkus/ProductsResource.java

@@ -1,11 +1,7 @@
 package com.lunatech.training.quarkus;
 
-import io.quarkus.hibernate.reactive.panache.common.WithSession;
-import io.quarkus.hibernate.reactive.panache.common.WithSessionOnDemand;
 import io.quarkus.hibernate.reactive.panache.common.WithTransaction;
-import io.smallrye.mutiny.Multi;
 import io.smallrye.mutiny.Uni;
-
 import jakarta.validation.Valid;
 import jakarta.ws.rs.*;
 import jakarta.ws.rs.core.MediaType;
@@ -18,13 +14,7 @@
 public class ProductsResource {
 
     @GET
-    public Multi<Product> products() {
-        return getAllProducts().toMulti()
-                .flatMap(list -> Multi.createFrom().iterable(list));
-    }
-
-    @WithTransaction
-    public Uni<List<Product>> getAllProducts(){
+    public Uni<List<Product>> products() {
         return Product.listAll();
     }