private void ParseMappings(XPathNavigator navigator)
		{
			XPathNodeIterator xpni = navigator.Select(CfgXmlHelper.SessionFactoryMappingsExpression);
			while (xpni.MoveNext())
			{
				MappingConfiguration mc = new MappingConfiguration(xpni.Current);
				if (!mc.IsEmpty())
				{
					// Workaround add first an assembly&resource and then only the same assembly. 
					// the <mapping> of whole assembly is ignored (included only sigles resources)
					// The "ignore" log, is enough ?
					// Perhaps we can add some intelligence to remove single resource reference when a whole assembly is referenced
					//if (!mappings.Contains(mc))
					//{
					//  mappings.Add(mc);
					//}
					//else
					//{
					//  string logMessage = "Ignored mapping -> " + mc.ToString();
					//  if (log.IsDebugEnabled)
					//    log.Debug(logMessage);
					//  if (log.IsWarnEnabled)
					//    log.Warn(logMessage);
					//}

					// The control to prevent mappings duplication was removed since the engine do the right thing 
					// for this issue (simple is better)
					mappings.Add(mc);
				}
			}
		}
		private void ParseMappings(XPathNavigator navigator)
		{
			XPathNodeIterator xpni = navigator.Select(CfgXmlHelper.SessionFactoryMappingsExpression);
			while (xpni.MoveNext())
			{
				var mc = new MappingConfiguration(xpni.Current);
				if (!mc.IsEmpty())
				{
					Mappings.Add(mc);
				}
			}
		}