Storage: implemented scan

This can replace all our read calls. Note that we need a different API
for databases where the value needs to be loaded first, so we can do a key
scan before loading values. With this we can do key + value scans in one though.

1 files changed, 4 insertions, 0 deletions

diff --git a/common/storage.h b/common/storage.h
index e5e592c..55688d4 100644
--- a/common/storage.h
+++ b/common/storage.h
@@ -34,6 +34,10 @@ public:
     void read(const std::string &sKey,
               const std::function<bool(void *ptr, int size)> & resultHandler,
               const std::function<void(const Storage::Error &error)> &errorHandler);
+    void scan(const std::string &sKey, const std::function<bool(void *keyPtr, int keySize, void *valuePtr, int valueSize)> &resultHandler);
+    void scan(const std::string &sKey,
+              const std::function<bool(void *keyPtr, int keySize, void *valuePtr, int valueSize)> & resultHandler,
+              const std::function<void(const Storage::Error &error)> &errorHandler);
 
     qint64 diskUsage() const;
     void removeFromDisk() const;