1 # This file is part of NIT ( http://www.nitlanguage.org ).
3 # Copyright 2014 Alexis Laferrière <alexis.laf@xymus.net>
5 # Licensed under the Apache License, Version 2.0 (the "License");
6 # you may not use this file except in compliance with the License.
7 # You may obtain a copy of the License at
9 # http://www.apache.org/licenses/LICENSE-2.0
11 # Unless required by applicable law or agreed to in writing, software
12 # distributed under the License is distributed on an "AS IS" BASIS,
13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 # See the License for the specific language governing permissions and
15 # limitations under the License.
17 # Implements `app::data_store` using `shared_preferences`
19 # We use the shared preferences named "data_store" to store the data.
22 import app
::data_store
23 private import shared_preferences
26 redef var data_store
= new SharedPreferenceView
29 private class SharedPreferenceView
32 # The `SharedPreferences` used to implement the `DataStore`
33 var shared_preferences
= new SharedPreferences.privately
(app
, "data_store") is lazy
35 redef fun [](key
) do return shared_preferences
[key
]
37 redef fun []=(key
, value
) do shared_preferences
[key
] = value