1 files changed, 33 insertions, 0 deletions
diff --git a/src/library/scala/ref/ReferenceWrapper.scala b/src/library/scala/ref/ReferenceWrapper.scala
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+++ b/src/library/scala/ref/ReferenceWrapper.scala
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+/*                     __                                               *\
+**     ________ ___   / /  ___     Scala API                            **
+**    / __/ __// _ | / /  / _ |    (c) 2006-2007, LAMP/EPFL             **
+**  __\ \/ /__/ __ |/ /__/ __ |    http://scala-lang.org/               **
+** /____/\___/_/ |_/____/_/ | |                                         **
+**                          |/                                          **
+\*                                                                      */
+
+// $Id$
+
+package scala.ref
+
+/**
+ *  @author Sean McDirmid
+ */
+trait ReferenceWrapper[+T <: AnyRef] extends Reference[T] with Proxy {
+  val underlying: java.lang.ref.Reference[_ <: T]
+  @deprecated def isValid = underlying.get != null
+  override def get = {
+    val ret = underlying.get.asInstanceOf[T]
+    if (ret eq null) None else Some(ret)
+  }
+  def apply() = {
+    val ret = underlying.get.asInstanceOf[T]
+    if (ret eq null) throw new NoSuchElementException
+    ret
+  }
+  def clear = underlying.clear
+  def enqueue = underlying.enqueue
+  def isEnqueued = underlying.isEnqueued
+
+  def self = underlying
+}