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 # Simple data storage services
19 # The implementation varies per platform.
26 # TODO: move on the platform once qualified names are understand in the condition
27 import linux
::data_store
is conditional
(linux
)
28 import android
::data_store
is conditional
(android
)
31 # Services to store and load data
32 fun data_store
: DataStore is abstract
35 # Simple data storage facility
38 # Get the object stored at `key`, or null if nothing is available
39 fun [](key
: String): nullable Object is abstract
41 # Store `value` at `key`
42 fun []=(key
: String, value
: nullable Serializable) is abstract