Add `switch` command

Change-Id: I5db53925f1710e29b49398621e6b634889f1df15
diff --git a/src/proxy_datastore.cpp b/src/proxy_datastore.cpp
index 8f86831..3bd6719 100644
--- a/src/proxy_datastore.cpp
+++ b/src/proxy_datastore.cpp
@@ -107,3 +107,8 @@
         return m_inputDatastore;
     }
 }
+
+void ProxyDatastore::setTarget(const DatastoreTarget target)
+{
+    m_datastore->setTarget(target);
+}