| /* |
| * Copyright 2016-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license. |
| */ |
| |
| package kotlinx.coroutines.internal |
| |
| import kotlinx.coroutines.* |
| |
| /** @suppress */ |
| @InternalCoroutinesApi // Emulating DI for Kotlin object's |
| public interface MainDispatcherFactory { |
| public val loadPriority: Int // higher priority wins |
| |
| /** |
| * Creates the main dispatcher. [allFactories] parameter contains all factories found by service loader. |
| * This method is not guaranteed to be idempotent. |
| * |
| * It is required that this method fails with an exception instead of returning an instance that doesn't work |
| * correctly as a [Delay]. |
| * The reason for this is that, on the JVM, [DefaultDelay] will use [Dispatchers.Main] for most delays by default |
| * if this method returns an instance without throwing. |
| */ |
| public fun createDispatcher(allFactories: List<MainDispatcherFactory>): MainCoroutineDispatcher |
| |
| /** |
| * Hint used along with error message when the factory failed to create a dispatcher. |
| */ |
| public fun hintOnError(): String? = null |
| } |