Turn libodb-oracle repository into package for muti-package repositorylibodb-oracle

1 files changed, 26 insertions, 0 deletions

diff --git a/libodb-oracle/odb/oracle/transaction.cxx b/libodb-oracle/odb/oracle/transaction.cxx
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index 0000000..6dff1a0
--- /dev/null
+++ b/libodb-oracle/odb/oracle/transaction.cxx
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+// file      : odb/oracle/transaction.cxx
+// license   : ODB NCUEL; see accompanying LICENSE file
+
+#include <cassert>
+
+#include <odb/oracle/transaction.hxx>
+
+namespace odb
+{
+  namespace oracle
+  {
+    transaction& transaction::
+    current ()
+    {
+      // While the impl type can be of the concrete type, the transaction
+      // object can be created as either odb:: or odb::oracle:: type. To
+      // work around that we are going to hard-cast one to 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 ());
+      assert (dynamic_cast<transaction_impl*> (&b.implementation ()) != 0);
+      return reinterpret_cast<transaction&> (b);
+    }
+  }
+}