JNG-4235 Batch create update delete support (#63)

* JNG-4235 Initial feature commit [ci skip]

* add batch crud support

* add javadoc for batch CRUD operations

* update javadoc

* update javadoc

* fix javadoc

src/main/java/hu/blackbelt/judo/dao/api/DAO.java

@@ -211,6 +211,20 @@ public interface DAO<ID> {
      */
     Payload create(EClass clazz, Payload payload, QueryCustomizer<ID> queryCustomizer);
 
+
+    /**
+     * Create new instances of a given mapped transfer object type.
+     * <p>
+     * This operation can be used by JCL (create), exposed graphs (ExposedGraph#create) and custom Java sources. Mapped
+     * transfer object must have a filter to restrict which kind of instances can be created by exposed services.
+     *
+     * @param clazz           mapped transfer object type
+     * @param payloads        instances to create
+     * @param queryCustomizer query customizer (i.e. filtering, ordering, seeking)
+     * @return created instance
+     */
+    List<Payload> createAll(EClass clazz, Iterable<Payload> payloads, QueryCustomizer<ID> queryCustomizer);
+
     /**
      * Update a mapped transfer object.
      * <p>
@@ -223,15 +237,37 @@ public interface DAO<ID> {
      */
     Payload update(EClass clazz, Payload payload, QueryCustomizer<ID> queryCustomizer);
 
+    /**
+     * Update mapped transfer objects.
+     * <p>
+     * This operation can be used by JCL (update) and custom Java sources.
+     *
+     * @param clazz           mapped transfer object type
+     * @param payloads        instances to update
+     * @param queryCustomizer query customizer (i.e. filtering, ordering, seeking)
+     * @return updated instance
+     */
+    List<Payload> updateAll(EClass clazz, Iterable<Payload> payloads, QueryCustomizer<ID> queryCustomizer);
+
     /**
      * Delete a mapped transfer object.
      * <p>
      * This operation can be used by JCL (delete) and custom Java sources.
      *
      * @param clazz mapped transfer object type
-     * @param id    instance ID to delete
+     * @param ids    instance ID to delete
+     */
+    void delete(EClass clazz, ID ids);
+
+    /**
+     * Delete mapped transfer objects.
+     * <p>
+     * This operation can be used by JCL (delete) and custom Java sources.
+     *
+     * @param clazz mapped transfer object type
+     * @param id    instance IDs to delete
      */
-    void delete(EClass clazz, ID id);
+    void deleteAll(EClass clazz, Iterable<ID> id);
 
     /**
      * Set references of a given mapped transfer object.