scala.ref.PhantomReference.scala Maven / Gradle / Ivy
/*
* Scala (https://www.scala-lang.org)
*
* Copyright EPFL and Lightbend, Inc.
*
* Licensed under Apache License 2.0
* (http://www.apache.org/licenses/LICENSE-2.0).
*
* See the NOTICE file distributed with this work for
* additional information regarding copyright ownership.
*/
package scala.ref
class PhantomReference[+T <: AnyRef](value: T, queue: ReferenceQueue[T]) extends ReferenceWrapper[T] {
val underlying: java.lang.ref.PhantomReference[_ <: T] =
new PhantomReferenceWithWrapper[T](value, queue, this)
}
private class PhantomReferenceWithWrapper[T <: AnyRef](value: T, queue: ReferenceQueue[T], val wrapper: PhantomReference[T])
extends java.lang.ref.PhantomReference[T](value, queue.underlying.asInstanceOf[java.lang.ref.ReferenceQueue[T]]) with ReferenceWithWrapper[T]