Pimcore\Model\Object\Listing::setObjectTypes PHP Method

    public function setObjectTypes($objectTypes)
    {
        $this->objectTypes = $objectTypes;
        return $this;
    }

 public function copyInfoAction()
 {
     $transactionId = time();
     $pasteJobs = array();
     Tool\Session::useSession(function ($session) use($transactionId) {
         $session->{$transactionId} = array("idMapping" => array());
     }, "pimcore_copy");
     if ($this->getParam("type") == "recursive" || $this->getParam("type") == "recursive-update-references") {
         $object = Object::getById($this->getParam("sourceId"));
         // first of all the new parent
         $pasteJobs[] = array(array("url" => "/admin/object/copy", "params" => array("sourceId" => $this->getParam("sourceId"), "targetId" => $this->getParam("targetId"), "type" => "child", "transactionId" => $transactionId, "saveParentId" => true)));
         if ($object->hasChilds(array(Object\AbstractObject::OBJECT_TYPE_OBJECT, Object\AbstractObject::OBJECT_TYPE_FOLDER, Object\AbstractObject::OBJECT_TYPE_VARIANT))) {
             // get amount of childs
             $list = new Object\Listing();
             $list->setCondition("o_path LIKE '" . $object->getFullPath() . "/%'");
             $list->setOrderKey("LENGTH(o_path)", false);
             $list->setOrder("ASC");
             $list->setObjectTypes(array(Object\AbstractObject::OBJECT_TYPE_OBJECT, Object\AbstractObject::OBJECT_TYPE_FOLDER, Object\AbstractObject::OBJECT_TYPE_VARIANT));
             $childIds = $list->loadIdList();
             if (count($childIds) > 0) {
                 foreach ($childIds as $id) {
                     $pasteJobs[] = array(array("url" => "/admin/object/copy", "params" => array("sourceId" => $id, "targetParentId" => $this->getParam("targetId"), "sourceParentId" => $this->getParam("sourceId"), "type" => "child", "transactionId" => $transactionId)));
                 }
             }
         }
         // add id-rewrite steps
         if ($this->getParam("type") == "recursive-update-references") {
             for ($i = 0; $i < count($childIds) + 1; $i++) {
                 $pasteJobs[] = array(array("url" => "/admin/object/copy-rewrite-ids", "params" => array("transactionId" => $transactionId, "_dc" => uniqid())));
             }
         }
     } elseif ($this->getParam("type") == "child" || $this->getParam("type") == "replace") {
         // the object itself is the last one
         $pasteJobs[] = array(array("url" => "/admin/object/copy", "params" => array("sourceId" => $this->getParam("sourceId"), "targetId" => $this->getParam("targetId"), "type" => $this->getParam("type"), "transactionId" => $transactionId)));
     }
     $this->_helper->json(array("pastejobs" => $pasteJobs));
 }