diff --git a/serialize.cpp b/serialize.cpp
new file mode 100644
index 0000000..8c97c89
--- /dev/null
+++ b/serialize.cpp
@@ -0,0 +1,51 @@
+#include "config.h"
+#include <experimental/filesystem>
+#include <cereal/archives/json.hpp>
+#include <fstream>
+#include "serialize.hpp"
+
+namespace phosphor
+{
+namespace software
+{
+namespace updater
+{
+
+namespace fs = std::experimental::filesystem;
+
+void storeToFile(std::string versionId, uint8_t priority)
+{
+    if(!fs::is_directory(PERSIST_DIR))
+    {
+        fs::create_directory(PERSIST_DIR);
+    }
+    std::string path = PERSIST_DIR + versionId;
+
+    std::ofstream os(path.c_str());
+    cereal::JSONOutputArchive oarchive(os);
+    oarchive(cereal::make_nvp("priority", priority));
+}
+
+void restoreFromFile(std::string versionId, uint8_t& priority)
+{
+    std::string path = PERSIST_DIR + versionId;
+    if (fs::exists(path))
+    {
+        std::ifstream is(path.c_str(), std::ios::in);
+        cereal::JSONInputArchive iarchive(is);
+        iarchive(cereal::make_nvp("priority", priority));
+    }
+}
+
+void removeFile(std::string versionId)
+{
+    std::string path = PERSIST_DIR + versionId;
+    if (fs::exists(path))
+    {
+        fs::remove(path);
+    }
+}
+
+} // namespace phosphor
+} // namespace software
+} // namespace openpower