fixed static changes

src/Utils/LuBusiness.php

     {
         $class = get_called_class();
         $me = new $class();
-        return call_user_func_array(array($me, $name), $arguments);
+        return call_user_func_array(array($me, '_' . $name), $arguments);
     }
 
     /**
      * @param $query string
      * @return LuDbo[]
      */
-    public function search($page, $perPage, $column, $order, $query = null)
+    public function _search($page, $perPage, $column, $order, $query = null)
     {
         return $this->dataAccess->search($page, $perPage, $column, $order, $query);
     }
      * @param $id int
      * @return LuDbo|null
      */
-    public function getById($id)
+    public function _getById($id)
     {
         $data = $this->dataAccess->getById($id);
         if (is_null($data))
     /**
      * @param $id int
      */
-    public function deleteById($id)
+    public function _deleteById($id)
     {
         $this->dataAccess->deleteById($id);
     }

src/Utils/LuDataAccess.php

     {
         $class = get_called_class();
         $me = new $class();
-        return call_user_func_array(array($me, $name), $arguments);
+        return call_user_func_array(array($me, '_' . $name), $arguments);
     }
 
     /**
      * @param $id int
      * @return LuModel
      */
-    protected function getModelById($id)
+    protected function _getModelById($id)
     {
         return $this->model->where('id', '=', $id)->first();
     }
      * @param $id int
      * @return LuDbo|null
      */
-    public function getById($id)
+    public function _getById($id)
     {
-        $data = $this->getModelById($id);
+        $data = $this->_getModelById($id);
         if (is_null($data))
             return null;
         return $data->toDbo();
      */
     public function deleteById($id)
     {
-        $data = $this->getModelById($id);
+        $data = $this->_getModelById($id);
         if (is_null($data))
             return;
         $data->delete();
      * @param $data LuDbo
      * @return int
      */
-    public function addId($data)
+    public function _addId($data)
     {
         $data = $this->model->fromDBO($data);
         $data->save();
     /**
      * @param $data LuDbo
      */
-    public function add($data)
+    public function _add($data)
     {
         $data = $this->model->fromDBO($data);
         $data->save();
      * @param $data LuDbo
      * @return LuDbo|null
      */
-    public function editById($id, $data)
+    public function _editById($id, $data)
     {
-        return $this->model->fromDBO($data, $this->getModelById($id))->save();
+        return $this->model->fromDBO($data, $this->_getModelById($id))->save();
+    }
+
+    /**
+     * @param $predicates array
+     * @param $orders array
+     * @param int $page
+     * @param int $perPage
+     * @return array
+     */
+    public function _getMultiple($predicates, $orders, $page = 0, $perPage = PHP_INT_MAX)
+    {
+        $model = $this->model;
+        foreach($predicates as $predicate)
+        {
+            $model = $model->where($predicate[0], $predicate[1], $predicate[2]);
+        }
+        $count = $model->count();
+        foreach($orders as $order)
+        {
+            $model = $model->orderBy($order[0], $order[1]);
+        }
+        $data = $model->take($perPage)->offset($page * $perPage)->get();
+        $dbo = self::arrayToDbo($data);
+
+        return array("Count" => $count, "Data" => $dbo);
     }
 }