TaskOperation

open class TaskOperation : Operation

任务操作类，可继承或直接使用

  • 任务句柄，执行完成需调用task.finish(error:)

    Declaration

    Swift

    open var taskBlock: ((TaskOperation) -> Void)?

  • 是否在主线程执行，会阻碍UI渲染，默认false

    Declaration

    Swift

    open var onMainThread: Bool

  • 任务错误信息

    Declaration

    Swift

    open private(set) var error: Error? { get }

  • Undocumented

    Declaration

    Swift

    public override init()

  • Undocumented

    Declaration

    Swift

    public convenience init(onMainThread: Bool = false, queuePriority: Operation.QueuePriority = .normal, taskBlock: ((TaskOperation) -> Void)?)

  • 子类可重写，默认调用taskBlock，任务完成需调用finish(error:)

    Declaration

    Swift

    @objc
open func executeTask()

  • 是否主线程执行，子类可重写，会阻碍UI渲染，默认返回onMainThread

    Declaration

    Swift

    open func needMainThread() -> Bool

  • 标记任务完成，error为空表示任务成功

    Declaration

    Swift

    open func finish(error: Error? = nil)

  • Undocumented

    Declaration

    Swift

    open override func start()

  • Undocumented

    Declaration

    Swift

    open override func cancel()

  • Undocumented

    Declaration

    Swift

    open override var isAsynchronous: Bool { get }

  • Undocumented

    Declaration

    Swift

    open override var isReady: Bool { get }

  • Undocumented

    Declaration

    Swift

    open override var isFinished: Bool { get }

  • Undocumented

    Declaration

    Swift

    open override var isExecuting: Bool { get }