From 0c453c1a3ace189196cac7d70107ea340565fd4d Mon Sep 17 00:00:00 2001
From: Gilles Dubochet <gilles.dubochet@epfl.ch>
Date: Wed, 6 Feb 2008 19:27:01 +0000
Subject: Added better "clone" methods to a few JCL colle...

Added better "clone" methods to a few JCL collection classes.
---
 src/library/scala/collection/jcl/ArrayList.scala     | 2 ++
 src/library/scala/collection/jcl/HashSet.scala       | 3 +++
 src/library/scala/collection/jcl/LinkedHashSet.scala | 2 ++
 src/library/scala/collection/jcl/LinkedList.scala    | 3 +++
 src/library/scala/collection/jcl/TreeSet.scala       | 7 ++++++-
 5 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/src/library/scala/collection/jcl/ArrayList.scala b/src/library/scala/collection/jcl/ArrayList.scala
index 159f3d2875..bd54d46a69 100644
--- a/src/library/scala/collection/jcl/ArrayList.scala
+++ b/src/library/scala/collection/jcl/ArrayList.scala
@@ -16,4 +16,6 @@ package scala.collection.jcl;
  */
 class ArrayList[A](override val underlying : java.util.ArrayList[A]) extends BufferWrapper[A]  {
   def this() = this(new java.util.ArrayList[A]);
+  override def clone: ArrayList[A] =
+    new ArrayList[A](underlying.clone().asInstanceOf[java.util.ArrayList[A]])
 }
diff --git a/src/library/scala/collection/jcl/HashSet.scala b/src/library/scala/collection/jcl/HashSet.scala
index 09318cdcef..38396c2526 100644
--- a/src/library/scala/collection/jcl/HashSet.scala
+++ b/src/library/scala/collection/jcl/HashSet.scala
@@ -17,4 +17,7 @@ package scala.collection.jcl;
 class HashSet[A](override val underlying: java.util.HashSet[A]) extends SetWrapper[A] {
   /** Creates an underlying Java hash set. */
   def this() = this(new java.util.HashSet[A]);
+
+  override def clone: HashSet[A] =
+    new HashSet[A](underlying.clone().asInstanceOf[java.util.HashSet[A]])
 }
diff --git a/src/library/scala/collection/jcl/LinkedHashSet.scala b/src/library/scala/collection/jcl/LinkedHashSet.scala
index 2c7b14862f..b5b7c11a39 100644
--- a/src/library/scala/collection/jcl/LinkedHashSet.scala
+++ b/src/library/scala/collection/jcl/LinkedHashSet.scala
@@ -17,4 +17,6 @@ package scala.collection.jcl;
  */
 class LinkedHashSet[A](override val underlying: java.util.LinkedHashSet[A]) extends SetWrapper[A] {
   def this() = this(new java.util.LinkedHashSet[A]);
+  override def clone: LinkedHashSet[A] =
+    new LinkedHashSet[A](underlying.clone().asInstanceOf[java.util.LinkedHashSet[A]])
 }
diff --git a/src/library/scala/collection/jcl/LinkedList.scala b/src/library/scala/collection/jcl/LinkedList.scala
index 5d94c964f1..a7fc726af6 100644
--- a/src/library/scala/collection/jcl/LinkedList.scala
+++ b/src/library/scala/collection/jcl/LinkedList.scala
@@ -26,4 +26,7 @@ class LinkedList[A](override val underlying : java.util.LinkedList[A]) extends B
   //def poll = underlying.poll.asInstanceOf[A];
   //def removeFirst = underlying.removeFirst.asInstanceOf[A];
   //def removeLast  = underlying.removeLast.asInstanceOf[A];
+
+  override def clone: LinkedList[A] =
+    new LinkedList[A](underlying.clone().asInstanceOf[java.util.LinkedList[A]])
 }
diff --git a/src/library/scala/collection/jcl/TreeSet.scala b/src/library/scala/collection/jcl/TreeSet.scala
index d2bbb5052a..5c5be528ca 100644
--- a/src/library/scala/collection/jcl/TreeSet.scala
+++ b/src/library/scala/collection/jcl/TreeSet.scala
@@ -15,6 +15,11 @@ package scala.collection.jcl;
  *
  *  @author Sean McDirmid
  */
-class TreeSet[A <% Ordered[A]] extends SortedSetWrapper[A] {
+class TreeSet[A <% Ordered[A]] extends SortedSetWrapper[A] { ts =>
   val underlying = new java.util.TreeSet[A](new Comparator[A]);
+  override def clone: TreeSet[A] =
+    new TreeSet[A] {
+      override val underlying =
+        ts.underlying.clone().asInstanceOf[java.util.TreeSet[A]]
+    }
 }
-- 
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