mirai-core-api/net.mamoe.mirai.utils/ProgressionCallback

ProgressionCallback

interface ProgressionCallback<in S, in P>

操作进度回调, 可供前端使用, 以提供进度显示.

Since

2.8

Parameters

S

subject, 操作对象, 如 AbsoluteFile

P

progression, 用于提示进度. 如当下载文件时为已下载文件大小字节数 Long.

See also

Types

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object Companion

Functions

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open fun onBegin(subject: S, resource: ExternalResource)

当操作开始时调用

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open fun onFailure(subject: S, resource: ExternalResource, exception: Throwable)

当操作以异常失败时调用.

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open fun onFinished(subject: S, resource: ExternalResource, result: Result<P>)

当操作完成时调用.

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open fun onProgression(subject: S, resource: ExternalResource, progression: P)

每当有进度更新时调用. 此方法可能会同时被多个线程调用.

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open fun onSuccess(subject: S, resource: ExternalResource, progression: P)

当操作成功时调用.