mirror of
https://github.com/JohnEstropia/CoreStore.git
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76 lines
2.6 KiB
Swift
76 lines
2.6 KiB
Swift
//
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// CoreStoreDefaults.swift
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// CoreStore
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//
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// Copyright © 2018 John Rommel Estropia
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//
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import Foundation
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// MARK: - CoreStoreDefaults
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/**
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Global utilities
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*/
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public enum CoreStoreDefaults {
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/**
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The `CoreStoreLogger` instance to be used. The default logger is an instance of a `DefaultLogger`.
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*/
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public static var logger: CoreStoreLogger = DefaultLogger()
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/**
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The default `DataStack` instance to be used. If `defaultStack` is not set during the first time accessed, a default-configured `DataStack` will be created.
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- SeeAlso: `DataStack`
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- Note: Changing `dataStack` is thread safe, but it is recommended to setup `DataStacks` on a common queue (e.g. the main queue).
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- Important: If `dataStack` is not set during the first time accessed, a default-configured `DataStack` will be created.
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*/
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public static var dataStack: DataStack {
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get {
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self.defaultStackBarrierQueue.sync(flags: .barrier) {
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if self.defaultStackInstance == nil {
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self.defaultStackInstance = DataStack()
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}
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}
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return self.defaultStackInstance!
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}
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set {
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self.defaultStackBarrierQueue.async(flags: .barrier) {
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self.defaultStackInstance = newValue
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}
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}
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}
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// MARK: Private
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private static let defaultStackBarrierQueue = DispatchQueue.concurrent("com.coreStore.defaultStackBarrierQueue", qos: .userInteractive)
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private static var defaultStackInstance: DataStack?
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}
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