36 lines
811 B
Kotlin
36 lines
811 B
Kotlin
/*
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* ResettableLazy.kt
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* Copyright (C) 2009-2021 Ultrasonic developers
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*
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* Distributed under terms of the GNU GPLv3 license.
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*/
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package org.moire.ultrasonic.util
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import java.util.concurrent.atomic.AtomicReference
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import kotlin.reflect.KProperty
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/**
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* This class is similar to Lazy, but its value can be reset and then reinitialized
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*/
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class ResettableLazy<T>(private val initializer: () -> T) {
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private val lazyRef: AtomicReference<Lazy<T>> = AtomicReference(
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lazy(
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initializer
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)
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)
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operator fun getValue(thisRef: Any?, property: KProperty<*>): T {
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return lazyRef.get().getValue(thisRef, property)
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}
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val value: T
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get() {
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return lazyRef.get().value
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}
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fun reset() {
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lazyRef.set(lazy(initializer))
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}
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}
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