def _update(self):
"""
Query for the update info.
:returns: The update stored on the class.
"""
if self.__cpp_update is None:
# Create the cpp update vector of maps.
self.__cpp_update = Backend.StdVectorStdMapStringInt()
# Take each entry in the update list.
for update_entry in self.__update:
# Convert to C++
cpp_map = Backend.StdMapStringInt()
for e in update_entry:
cpp_map[e[1]] = e[0]
# Add.
self.__cpp_update.push_back(cpp_map)
return self.__cpp_update
