diff --git a/src/datastore_access.hpp b/src/datastore_access.hpp
new file mode 100644
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+++ b/src/datastore_access.hpp
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+/*
+ * Copyright (C) 2018 CESNET, https://photonics.cesnet.cz/
+ * Copyright (C) 2018 FIT CVUT, https://fit.cvut.cz/
+ *
+ * Written by Václav Kubernát <kubervac@fit.cvut.cz>
+ *
+*/
+
+#pragma once
+
+#include <string>
+#include "ast_values.hpp"
+
+/*! \class DatastoreAccess
+ *     \brief Abstract class for accessing a datastore
+ */
+
+
+class DatastoreAccess {
+public:
+    virtual ~DatastoreAccess() = 0;
+    virtual std::map<std::string, leaf_data_> getItems(const std::string& path) = 0;
+    virtual void setLeaf(const std::string& path, leaf_data_ value) = 0;
+    virtual void createPresenceContainer(const std::string& path) = 0;
+    virtual void deletePresenceContainer(const std::string& path) = 0;
+};