Sacha
41 lines
1.0 KiB
Swift
41 lines
1.0 KiB
Swift
import Foundation
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public enum WatchExclusiveResource: String, Codable, Sendable {
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case heartRateMeasurement
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case hapticRegulation
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}
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public enum WatchResourceError: LocalizedError, Equatable {
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case busy(WatchExclusiveResource)
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case releaseMismatch
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public var errorDescription: String? {
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switch self {
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case let .busy(resource): "Une activité \(resource.rawValue) est déjà en cours."
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case .releaseMismatch: "La ressource libérée ne correspond pas à l’activité en cours."
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}
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}
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}
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public actor WatchResourceArbiter {
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public static let shared = WatchResourceArbiter()
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public private(set) var current: WatchExclusiveResource?
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public init() {}
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public func acquire(_ resource: WatchExclusiveResource) throws {
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if let current { throw WatchResourceError.busy(current) }
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current = resource
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}
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public func release(_ resource: WatchExclusiveResource) throws {
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guard current == resource else { throw WatchResourceError.releaseMismatch }
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current = nil
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}
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public func forceRelease() {
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current = nil
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}
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}
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