fix presave bug

src/Hook/EntityPresave.php

@@ -39,7 +39,10 @@ class EntityPresave extends ControllerBase {
     $result = FALSE;
     if (method_exists($entity, 'bundle')) {
       if (property_exists($entity, 'name')) {
-        $result = $entity->bundle();
+        $reflector = new \ReflectionClass(get_class($entity));
+        if ($reflector->getProperty('name')->isPublic()) {
+          $result = $entity->bundle();
+        }
       }
     }
     return $result;
@@ -52,7 +55,10 @@ class EntityPresave extends ControllerBase {
     $result = FALSE;
     if (method_exists($entity, 'getType')) {
       if (property_exists($entity, 'title')) {
-        $result = $entity->getType();
+        $reflector = new \ReflectionClass(get_class($entity));
+        if ($reflector->getProperty('title')->isPublic()) {
+          $result = $entity->getType();
+        }
       }
     }
     return $result;