AttributesJs

class AttributesJs : Attributes(source)

Constructors

constructor()

open override val allKeys: List<AttributeKey<*>>

Returns List of all AttributeKey instances in this map

open override fun <T : Any> computeIfAbsent(key: AttributeKey<T>, block: () -> T): T

Gets a value of the attribute for the specified key, or calls supplied block to compute its value

open operator override fun contains(key: AttributeKey<*>): Boolean

Checks if an attribute with the specified key exists

open operator fun <T : Any> get(key: AttributeKey<T>): T

Gets a value of the attribute for the specified key, or throws an exception if an attribute doesn't exist

open override fun <T : Any> getOrNull(key: AttributeKey<T>): T?

Gets a value of the attribute for the specified key, or return null if an attribute doesn't exist

open override fun <T : Any> put(key: AttributeKey<T>, value: T)

Creates or changes an attribute with the specified key using value

Adds all attributes from another collection, replacing original values if any.

open override fun <T : Any> remove(key: AttributeKey<T>)

Removes an attribute with the specified key

open operator fun <T : Any> set(key: AttributeKey<T>, value: T)

Creates or changes an attribute with the specified key using value

open fun <T : Any> take(key: AttributeKey<T>): T

Removes an attribute with the specified key and returns its current value, throws an exception if an attribute doesn't exist

open fun <T : Any> takeOrNull(key: AttributeKey<T>): T?

Removes an attribute with the specified key and returns its current value, returns null if an attribute doesn't exist