added text filter in getAll

src/Utils/LuBusiness.php

         return null;
     }
 
-    public static function getAll($page = 0, $perPage = PHP_INT_MAX)
+    public static function getAll($page = 0, $perPage = PHP_INT_MAX, $query = "")
     {
-        return static::getDataAccess()->getAll($page, $perPage);
+        return static::getDataAccess()->getAll($page, $perPage, $query);
     }
 
     public static function getResourceName()

src/Utils/LuDataAccess.php

         return array();
     }
 
-    public static function getAll($page = 0, $perPage = PHP_INT_MAX)
+    /**
+     * @param $query
+     * @return array
+     */
+    protected static function getQueryPredicate($query)
+    {
+        return array();
+    }
+
+    public static function getAll($page = 0, $perPage = PHP_INT_MAX, $query = "")
     {
-        return self::getMultiple(array(), static::getOrderBy(), $page, $perPage);
+        return self::getMultiple(static::getQueryPredicate($query), static::getOrderBy(), $page, $perPage);
     }
 }