add doxygen comments
diff --git a/model/sync-app-data-fetch.h b/model/sync-app-data-fetch.h
index 1bba3a6..3816e4e 100644
--- a/model/sync-app-data-fetch.h
+++ b/model/sync-app-data-fetch.h
@@ -36,10 +36,22 @@
class AppDataFetch
{
public:
+ /**
+ * @param dataCallback the callback function to process data
+ */
AppDataFetch(boost::function<void (boost::shared_ptr<DataBuffer>)>
dataCallback);
+
void setDataCallback(boost::function<void (boost::shared_ptr<DataBuffer>)>
dataCallback) {m_dataCallback = dataCallback;}
+
+ /**
+ * @breif fetch data for a certain name prefix
+ *
+ * @param prefix the prefix for the data
+ * @param startSeq the start of sequence number range (inclusive)
+ * @param endSeq the end of sequence number range (inclusive)
+ */
void fetch(string prefix, long startSeq, long endSeq);
private: