item_updater: Add version dbus object.

Need to create the Version object under itemUpdater
class to retain the version of the active images
after the bmc is rebooted and the image_dir no
longer holds the image files.

Change-Id: Iac78d577b970c6fa766b94041742f77077b14e62
Signed-off-by: Saqib Khan <khansa@us.ibm.com>
diff --git a/version.hpp b/version.hpp
new file mode 100644
index 0000000..573255c
--- /dev/null
+++ b/version.hpp
@@ -0,0 +1,53 @@
+#pragma once
+
+#include <sdbusplus/bus.hpp>
+#include "xyz/openbmc_project/Software/Version/server.hpp"
+#include "xyz/openbmc_project/Common/FilePath/server.hpp"
+
+namespace openpower
+{
+namespace software
+{
+namespace updater
+{
+
+using VersionInherit = sdbusplus::server::object::object<
+    sdbusplus::xyz::openbmc_project::Software::server::Version,
+    sdbusplus::xyz::openbmc_project::Common::server::FilePath>;
+
+/** @class Version
+ *  @brief OpenBMC version software management implementation.
+ *  @details A concrete implementation for xyz.openbmc_project.Software.Version
+ *  DBus API.
+ */
+class Version : public VersionInherit
+{
+    public:
+        /** @brief Constructs Version Software Manager.
+         *
+         * @param[in] bus            - The Dbus bus object
+         * @param[in] objPath        - The Dbus object path
+         * @param[in] versionId      - The version identifier
+         * @param[in] versionPurpose - The version purpose
+         * @param[in] filePath       - The image filesystem path
+         */
+        Version(sdbusplus::bus::bus& bus,
+                const std::string& objPath,
+                const std::string& versionId,
+                VersionPurpose versionPurpose,
+                const std::string& filePath) : VersionInherit(
+                    bus, (objPath).c_str(), true)
+        {
+            // Set properties.
+            purpose(versionPurpose);
+            version(versionId);
+            path(filePath);
+
+            // Emit deferred signal.
+            emit_object_added();
+        }
+};
+
+} // namespace updater
+} // namespace software
+} // namespace openpower