Issue #2705433 by timmillwood: Node should implement RevisionLogInterface

core/modules/node/src/Entity/Node.php

@@ -311,6 +311,13 @@ public function setRevisionCreationTime($timestamp) {
    * {@inheritdoc}
    */
   public function getRevisionAuthor() {
+    return $this->getRevisionUser();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getRevisionUser() {
     return $this->get('revision_uid')->entity;
   }
 
@@ -318,7 +325,45 @@ public function getRevisionAuthor() {
    * {@inheritdoc}
    */
   public function setRevisionAuthorId($uid) {
-    $this->set('revision_uid', $uid);
+    $this->setRevisionUserId($uid);
+    return $this;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setRevisionUser(UserInterface $user) {
+    $this->set('revision_uid', $user);
+    return $this;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getRevisionUserId() {
+    return $this->get('revision_uid')->entity->id();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setRevisionUserId($user_id) {
+    $this->set('revision_uid', $user_id);
+    return $this;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getRevisionLogMessage() {
+    return $this->get('revision_log')->value;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setRevisionLogMessage($revision_log_message) {
+    $this->set('revision_log', $revision_log_message);
     return $this;
   }
 

core/modules/node/src/NodeInterface.php

@@ -2,6 +2,7 @@
 
 namespace Drupal\node;
 
+use Drupal\Core\Entity\RevisionLogInterface;
 use Drupal\user\EntityOwnerInterface;
 use Drupal\Core\Entity\EntityChangedInterface;
 use Drupal\Core\Entity\ContentEntityInterface;
@@ -9,7 +10,7 @@
 /**
  * Provides an interface defining a node entity.
  */
-interface NodeInterface extends ContentEntityInterface, EntityChangedInterface, EntityOwnerInterface {
+interface NodeInterface extends ContentEntityInterface, EntityChangedInterface, EntityOwnerInterface, RevisionLogInterface {
 
   /**
    * Gets the node type.
@@ -140,6 +141,9 @@ public function setRevisionCreationTime($timestamp);
    *
    * @return \Drupal\user\UserInterface
    *   The user entity for the revision author.
+   *
+   * @deprecated in Drupal 8.2.0, will be removed before Drupal 9.0.0. Use
+   *   \Drupal\Core\Entity\RevisionLogInterface::getRevisionUser() instead.
    */
   public function getRevisionAuthor();
 
@@ -151,6 +155,9 @@ public function getRevisionAuthor();
    *
    * @return \Drupal\node\NodeInterface
    *   The called node entity.
+   *
+   * @deprecated in Drupal 8.2.0, will be removed before Drupal 9.0.0. Use
+   *   \Drupal\Core\Entity\RevisionLogInterface::setRevisionUserId() instead.
    */
   public function setRevisionAuthorId($uid);