org.jetbrains.kotlinx.jupyter.libraries.ResolutionInfoSwitcher.kt Maven / Gradle / Ivy

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Implementation of REPL compiler and preprocessor for Jupyter dialect of Kotlin (IDE-compatible)

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package org.jetbrains.kotlinx.jupyter.libraries

import org.jetbrains.kotlinx.jupyter.api.libraries.LibraryResolutionInfo

class ResolutionInfoSwitcher(
    private val infoProvider: ResolutionInfoProvider,
    initialSwitchVal: T,
    private val switcher: (T) -> LibraryResolutionInfo,
) {
    private val defaultInfoCache = hashMapOf()

    var switch: T = initialSwitchVal
        set(value) {
            infoProvider.fallback = defaultInfoCache.getOrPut(value) { switcher(value) }
            field = value
        }

    companion object {
        // Used in Kotlin Jupyter plugin for IDEA
        @Suppress("unused")
        fun noop(provider: ResolutionInfoProvider): ResolutionInfoSwitcher {
            return ResolutionInfoSwitcher(provider, DefaultInfoSwitch.GIT_REFERENCE) {
                provider.fallback
            }
        }
    }
}