diff -r d5339e1c95df -r bebf690257c9 src/core/trace-resolver.cc
--- a/src/core/trace-resolver.cc	Mon Aug 27 20:46:10 2007 +0200
+++ b/src/core/trace-resolver.cc	Tue Aug 28 09:37:10 2007 +0200
@@ -105,4 +105,22 @@
     }
 }
 
+void 
+TraceResolver::SourceCollection::SetFlag (void)
+{
+  m_flag = true;
+}
+
+void 
+TraceResolver::SourceCollection::ClearFlag (void)
+{
+  m_flag = false;
+}
+bool 
+TraceResolver::SourceCollection::IsFlagSet (void)
+{
+  return m_flag;
+}
+
+
 }//namespace ns3