Mikhail Glukhikh
25 lines
881 B
Kotlin
Vendored
25 lines
881 B
Kotlin
Vendored
import kotlin.reflect.KProperty
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import kotlin.properties.ReadWriteProperty
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// type must be exposed otherwise `provideDelegate` doesn't work
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abstract class StoredPropertyBase<T> : ReadWriteProperty<BaseState, T>
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abstract class StoredPropertyDerived<T> : StoredPropertyBase<T>() {
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operator fun provideDelegate(thisRef: Any, property: KProperty<*>): StoredPropertyBase<T> {
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return this
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}
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}
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abstract class BaseState {
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protected abstract fun <PROPERTY_TYPE> propertyDerived(initialValue: PROPERTY_TYPE): StoredPropertyDerived<PROPERTY_TYPE>
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protected abstract fun <PROPERTY_TYPE> propertyBase(initialValue: PROPERTY_TYPE): StoredPropertyBase<PROPERTY_TYPE>
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}
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abstract class Some : BaseState() {
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val hideBySeverityDerived: MutableSet<Int> by propertyDerived(mutableSetOf())
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val hideBySeverityBase: MutableSet<Int> by propertyBase(mutableSetOf())
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}
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