2020-07-22 08:36:32 +00:00
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//
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// Copyright 2020 Vector Creations Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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import Foundation
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2020-07-28 15:21:39 +00:00
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class MemoryStore {
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2020-07-22 08:36:32 +00:00
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private var map: Dictionary<KeyValueStoreKey, Any> = [:]
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2020-07-28 15:59:01 +00:00
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private func setObject(_ value: Any?, forKey key: KeyValueStoreKey) {
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2020-07-22 08:36:32 +00:00
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if let value = value {
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map[key] = value
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} else {
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removeObject(forKey: key)
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}
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}
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2020-07-28 15:21:39 +00:00
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private func object(forKey key: KeyValueStoreKey) -> Any? {
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2020-07-22 08:36:32 +00:00
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return map[key]
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}
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2020-07-28 15:21:39 +00:00
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}
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extension MemoryStore: KeyValueStore {
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// setters
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2020-07-28 15:59:01 +00:00
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func set(_ value: Data?, forKey key: KeyValueStoreKey) throws {
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setObject(value, forKey: key)
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2020-07-28 15:21:39 +00:00
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}
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2020-07-28 15:59:01 +00:00
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func set(_ value: String?, forKey key: KeyValueStoreKey) throws {
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setObject(value, forKey: key)
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2020-07-28 15:21:39 +00:00
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}
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2020-07-28 15:59:01 +00:00
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func set(_ value: Bool?, forKey key: KeyValueStoreKey) throws {
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setObject(value, forKey: key)
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2020-07-28 15:21:39 +00:00
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}
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// getters
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func data(forKey key: KeyValueStoreKey) throws -> Data? {
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return object(forKey: key) as? Data
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}
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func string(forKey key: KeyValueStoreKey) throws -> String? {
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return object(forKey: key) as? String
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}
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func bool(forKey key: KeyValueStoreKey) throws -> Bool? {
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return object(forKey: key) as? Bool
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}
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// remove
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2020-07-22 08:36:32 +00:00
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func removeObject(forKey key: KeyValueStoreKey) {
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map.removeValue(forKey: key)
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}
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}
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