aboutsummaryrefslogtreecommitdiff
path: root/odb/sqlite/transaction.cxx
diff options
context:
space:
mode:
authorBoris Kolpackov <boris@codesynthesis.com>2011-03-21 17:24:35 +0200
committerBoris Kolpackov <boris@codesynthesis.com>2011-03-21 17:24:35 +0200
commitdac72baef46897b80fc98632cef182fb266a5d60 (patch)
treea90f40a5fac59456c6fecf3d31a008c5a061b955 /odb/sqlite/transaction.cxx
parent3af997a875e439e71754fddb67fd60de9f60307b (diff)
Add base SQLite database classes
Diffstat (limited to 'odb/sqlite/transaction.cxx')
-rw-r--r--odb/sqlite/transaction.cxx26
1 files changed, 26 insertions, 0 deletions
diff --git a/odb/sqlite/transaction.cxx b/odb/sqlite/transaction.cxx
new file mode 100644
index 0000000..6690d92
--- /dev/null
+++ b/odb/sqlite/transaction.cxx
@@ -0,0 +1,26 @@
+// file : odb/sqlite/transaction.cxx
+// author : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
+// license : GNU GPL v2; see accompanying LICENSE file
+
+#include <odb/sqlite/transaction.hxx>
+
+namespace odb
+{
+ namespace sqlite
+ {
+ transaction& transaction::
+ current ()
+ {
+ // While the impl type can be of the concrete type, the transaction
+ // object can be created as either odb:: or odb::sqlite:: type. To
+ // work around that we are going to hard-cast one two the other
+ // relying on the fact that they have the same representation and
+ // no virtual functions. The former is checked in the tests.
+ //
+ odb::transaction& b (odb::transaction::current ());
+ dynamic_cast<transaction_impl&> (b.implementation ());
+ return reinterpret_cast<transaction&> (b);
+ }
+ }
+}