From e05c0f5486db7ffb0fbd9ca7c0b20484a93c60c5 Mon Sep 17 00:00:00 2001
From: Florent Bruneau <florent.bruneau@polytechnique.org>
Date: Fri, 5 Nov 2010 22:04:39 +0100
Subject: [PATCH] PlFilterOrder is an abstract class, put a default
 implementation for export() there.

Signed-off-by: Florent Bruneau <florent.bruneau@polytechnique.org>
---
 classes/plfilter.php | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/classes/plfilter.php b/classes/plfilter.php
index 1a6d525..47abcce 100644
--- a/classes/plfilter.php
+++ b/classes/plfilter.php
@@ -62,6 +62,11 @@ abstract class PlFilterOrder implements PlExportable
         $this->_tokens = null;
     }
 
+    public function export()
+    {
+        throw new Exception("This instance is not exportable");
+    }
+
     public function toggleDesc()
     {
         $this->desc = !$this->desc;
-- 
2.1.4