From 20daa3c4285c91dfcd35361f6550f80315e008a5 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 5 Feb 2013 15:41:56 +0200
Subject: Add support for updating callback registration

---
 odb/transaction.hxx | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'odb/transaction.hxx')

diff --git a/odb/transaction.hxx b/odb/transaction.hxx
index 1f7b866..e035661 100644
--- a/odb/transaction.hxx
+++ b/odb/transaction.hxx
@@ -136,6 +136,12 @@ namespace odb
     void
     unregister (void* key);
 
+    // Update the data and state values for a callback. Note that just
+    // like unregister(), this is a potentially slow operation.
+    //
+    void
+    update (void* key, unsigned long long data, transaction** state = 0);
+
   public:
     transaction_impl&
     implementation ();
@@ -149,6 +155,9 @@ namespace odb
   protected:
     friend struct rollback_guard;
 
+    std::size_t
+    find (void* key);
+
     void
     call (unsigned short event);
 
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