diff -r a10844a9914d -r a60f8b6b1d32 hgcacheproxymodel/src/hgdataprovidermodel.cpp
--- a/hgcacheproxymodel/src/hgdataprovidermodel.cpp	Fri Sep 17 15:55:58 2010 +0300
+++ b/hgcacheproxymodel/src/hgdataprovidermodel.cpp	Wed Oct 06 14:53:41 2010 +0300
@@ -457,4 +457,9 @@
     return res;
 }
 
+bool HgDataProviderModel::isCached(int idx) const
+{
+    return mObserver->isCached(idx);
+}
+
 //eof