2020-07-22 08:36:32 +00:00
|
|
|
//
|
|
|
|
// Copyright 2020 Vector Creations Ltd
|
|
|
|
//
|
|
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
|
|
// you may not use this file except in compliance with the License.
|
|
|
|
// You may obtain a copy of the License at
|
|
|
|
//
|
|
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
//
|
|
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
|
|
// See the License for the specific language governing permissions and
|
|
|
|
// limitations under the License.
|
|
|
|
//
|
|
|
|
|
|
|
|
import Foundation
|
|
|
|
|
|
|
|
typealias KeyValueStoreKey = String
|
|
|
|
|
2020-07-22 14:07:54 +00:00
|
|
|
protocol KeyValueStore {
|
2020-07-28 15:21:39 +00:00
|
|
|
// setters
|
2020-07-28 15:59:01 +00:00
|
|
|
func set(_ value: Data?, forKey key: KeyValueStoreKey) throws
|
|
|
|
func set(_ value: String?, forKey key: KeyValueStoreKey) throws
|
|
|
|
func set(_ value: Bool?, forKey key: KeyValueStoreKey) throws
|
2020-09-28 13:17:13 +00:00
|
|
|
func set(_ value: Int?, forKey key: KeyValueStoreKey) throws
|
2020-11-05 12:08:42 +00:00
|
|
|
func set(_ value: UInt?, forKey key: KeyValueStoreKey) throws
|
2020-07-28 15:21:39 +00:00
|
|
|
|
|
|
|
// getters
|
|
|
|
func data(forKey key: KeyValueStoreKey) throws -> Data?
|
|
|
|
func string(forKey key: KeyValueStoreKey) throws -> String?
|
|
|
|
func bool(forKey key: KeyValueStoreKey) throws -> Bool?
|
2020-09-28 13:17:13 +00:00
|
|
|
func integer(forKey key: KeyValueStoreKey) throws -> Int?
|
2020-11-05 12:08:42 +00:00
|
|
|
func unsignedInteger(forKey key: KeyValueStoreKey) throws -> UInt?
|
|
|
|
|
|
|
|
// checkers
|
|
|
|
func containsObject(forKey key: KeyValueStoreKey) -> Bool
|
2020-07-28 15:21:39 +00:00
|
|
|
|
|
|
|
// remove
|
2020-07-22 14:07:54 +00:00
|
|
|
func removeObject(forKey key: KeyValueStoreKey) throws
|
2020-07-22 08:36:32 +00:00
|
|
|
}
|