forked from kscience/kmath
40 lines
1.0 KiB
Kotlin
40 lines
1.0 KiB
Kotlin
/*
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* Copyright 2018-2023 KMath contributors.
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* Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
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*/
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package space.kscience.attributes
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import kotlin.reflect.KType
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public interface Attribute<T>
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/**
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* An attribute that could be either present or absent
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*/
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public interface FlagAttribute : Attribute<Unit>
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/**
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* An attribute with a default value
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*/
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public interface AttributeWithDefault<T> : Attribute<T> {
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public val default: T
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}
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/**
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* Attribute containing a set of values
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*/
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public interface SetAttribute<V> : Attribute<Set<V>>
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/**
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* An attribute that has a type parameter for value
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* @param type parameter-type
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*/
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public abstract class PolymorphicAttribute<T>(public val type: SafeType<T>) : Attribute<T> {
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override fun equals(other: Any?): Boolean = other != null &&
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(this::class == other::class) &&
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(other as? PolymorphicAttribute<*>)?.type == this.type
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override fun hashCode(): Int = this::class.hashCode() + type.hashCode()
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}
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