From 91830e3bd38a05c73d03a5dfb88997799d44274b Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 6 May 2013 12:05:39 +0200
Subject: Add support for object sections

Sections are an optimization mechanism that allows the partitioning of
data members of a persistent class into groups that can be separately
loaded and/or updated.
---
 odb/section.cxx | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 odb/section.cxx

(limited to 'odb/section.cxx')

diff --git a/odb/section.cxx b/odb/section.cxx
new file mode 100644
index 0000000..9ef9c7d
--- /dev/null
+++ b/odb/section.cxx
@@ -0,0 +1,28 @@
+// file      : odb/section.cxx
+// copyright : Copyright (c) 2009-2013 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+#include <odb/section.hxx>
+
+namespace odb
+{
+  void section::
+  disarm ()
+  {
+    transaction& t (transaction::current ());
+    t.callback_unregister (this);
+    state_.armed = 0;
+  }
+
+  void section::
+  transacion_callback (unsigned short event, void* key, unsigned long long)
+  {
+    section& s (*static_cast<section*> (key));
+
+    if (event == transaction::event_rollback && s.state_.restore)
+      s.state_.changed = 1;
+
+    s.state_.armed = 0;
+    s.state_.restore = 0;
+  }
+}
-- 
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