core/org.gnit.lucenekmp.jdkport/KClassValue/Entry

Entry

class Entry<T : Any> : WeakReference<KClassValue.Version<T>?>

One binding of a value to a class via a ClassValue. States are:

promise if value == Entry.this
else dead if version == null
else stale if version != classValue.version
else live Promises are never put into the cache; they only live in the backing map while a computeValue call is in flight. Once an entry goes stale, it can be reset at any time into the dead state.

Constructors

constructor(version: KClassValue.Version<T>?, value: T?)

constructor(version: KClassValue.Version<T>?)

For creating a promise.

Types

object Companion

Properties

val isLive: Boolean

val isPromise: Boolean

open var queue: ReferenceQueue<KClassValue.Version<T>?>?

val value: Any?

Functions

classValueOrNull

fun classValueOrNull(): KClassValue<T>?

open fun clear()

Clears this reference. The default implementation simply clears the referent.

open fun enqueue(): Boolean

Clears this reference and enqueues it in its associated ReferenceQueue, if any.

open fun get(): KClassValue.Version<T>?

Returns the referent or null if it has been cleared.

open fun refersTo(obj: KClassValue.Version<T>?): Boolean

Checks whether the referent equals the given obj.

fun refreshVersion(v2: KClassValue.Version<T>?): KClassValue.Entry<T>

fun value(): T

Fetch the value. This entry must not be a promise.

fun version(): KClassValue.Version<T>?