Modifications to the local database: create a summary segments_used table.

[cumulus.git] / ref.h

diff --git a/ref.h b/ref.h
index cc21a5a..e7d41e1 100644 (file)
--- a/ref.h
+++ b/ref.h
@@ -68,8 +68,9 @@ public:
     ObjectReference(const std::string& segment, int sequence);
     ObjectReference(const std::string& segment, const std::string& sequence);
 
+    bool is_null() const { return segment.size() == 0; }
     std::string to_string() const;
-    static ObjectReference *parse(const std::string& s);
+    static ObjectReference parse(const std::string& s);
 
     std::string get_segment() const { return segment; }
     std::string get_sequence() const { return object; }
@@ -88,6 +89,8 @@ public:
     void set_range(size_t start, size_t length)
         { range_start = start; range_length = length; range_valid = true; }
 
+    bool merge(ObjectReference ref);
+
 private:
     std::string segment, object, checksum;
     size_t range_start, range_length;