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36 lines
1013 B
Swift
36 lines
1013 B
Swift
//
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// Copyright (c) 2017 Open Whisper Systems. All rights reserved.
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//
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import Foundation
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public class SwiftSingletons: NSObject {
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public static let shared = SwiftSingletons()
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private var classSet = Set<String>()
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private override init() {
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super.init()
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}
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public func register(_ singleton: AnyObject) {
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guard !CurrentAppContext().isRunningTests else {
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return
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}
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guard _isDebugAssertConfiguration() else {
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return
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}
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let singletonClassName = String(describing:type(of:singleton))
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guard !classSet.contains(singletonClassName) else {
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owsFail("\(self.logTag) in \(#function) Duplicate singleton: \(singletonClassName).")
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return
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}
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Logger.verbose("\(self.logTag) in \(#function) Registering singleton: \(singletonClassName).")
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classSet.insert(singletonClassName)
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}
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public static func register(_ singleton: AnyObject) {
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shared.register(singleton)
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}
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}
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