--- a/Plugins/Engine/OrthancPluginDatabase.h	Thu Oct 01 17:44:43 2015 +0200
+++ b/Plugins/Engine/OrthancPluginDatabase.h	Fri Oct 02 12:20:49 2015 +0200
@@ -72,6 +72,8 @@
       return reinterpret_cast<OrthancPluginDatabaseContext*>(this);
     }
 
+    void CheckSuccess(OrthancPluginErrorCode code);
+
     void ResetAnswers();
 
     void ForwardAnswers(std::list<int64_t>& target);
@@ -90,6 +92,16 @@
                           size_t extensionsSize,
                           void *payload);
 
+    virtual void Open()
+    {
+      CheckSuccess(backend_.open(payload_));
+    }
+
+    virtual void Close()
+    {
+      CheckSuccess(backend_.close(payload_));
+    }
+
     const SharedLibrary& GetSharedLibrary() const
     {
       return library_;