--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/doc/book/en/B2020-hooks.en.txt Tue Dec 23 13:34:30 2008 -0800
@@ -0,0 +1,30 @@
+.. -*- coding: utf-8 -*-
+
+Hooks
+=====
+
+XXX FILLME
+
+*Hooks* are executed before or after updating an entity or a relation in the
+repository.
+
+Their prototypes are as follows:
+
+ * after_add_entity (session, entity)
+ * after_update_entity (session, entity)
+ * after_delete_entity (session, eid)
+ * before_add_entity (session, entity)
+ * before_update_entity (session, entity)
+ * before_delete_entity (session, eid)
+
+ * after_add_relation (session, fromeid, rtype, toeid)
+ * after_delete_relation (session, fromeid, rtype, toeid)
+ * before_add_relation (session, fromeid, rtype, toeid)
+ * before_delete_relation (session, fromeid, rtype, toeid)
+
+ * server_startup
+ * server_shutdown
+
+ * session_open
+ * session_close
+