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authorTom Tromey <tromey@gcc.gnu.org>2007-01-09 19:58:05 +0000
committerTom Tromey <tromey@gcc.gnu.org>2007-01-09 19:58:05 +0000
commit97b8365cafc3a344a22d3980b8ed885f5c6d8357 (patch)
tree996a5f57d4a68c53473382e45cb22f574cb3e4db /libjava/java/lang/ref/Reference.java
parentc648dedbde727ca3f883bb5fd773aa4af70d3369 (diff)
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Merged gcj-eclipse branch to trunk.
From-SVN: r120621
Diffstat (limited to 'libjava/java/lang/ref/Reference.java')
-rw-r--r--libjava/java/lang/ref/Reference.java20
1 files changed, 7 insertions, 13 deletions
diff --git a/libjava/java/lang/ref/Reference.java b/libjava/java/lang/ref/Reference.java
index ab0c55c..a5184ce 100644
--- a/libjava/java/lang/ref/Reference.java
+++ b/libjava/java/lang/ref/Reference.java
@@ -1,5 +1,5 @@
/* java.lang.ref.Reference
- Copyright (C) 1999, 2002, 2003 Free Software Foundation, Inc.
+ Copyright (C) 1999, 2002, 2003, 2006 Free Software Foundation, Inc.
This file is part of GNU Classpath.
@@ -70,7 +70,7 @@ package java.lang.ref;
* @author Jochen Hoenicke
* @see java.util.WeakHashtable
*/
-public abstract class Reference
+public abstract class Reference<T>
{
/**
* The underlying object. This field is handled in a special way by
@@ -105,7 +105,7 @@ public abstract class Reference
* The queue this reference is registered on. This is null, if this
* wasn't registered to any queue or reference was already enqueued.
*/
- ReferenceQueue queue;
+ ReferenceQueue<? super T> queue;
/**
* Link to the next entry on the queue. If this is null, this
@@ -129,7 +129,7 @@ public abstract class Reference
* class in a different package.
* @param referent the object we refer to.
*/
- Reference(Object ref)
+ Reference(T ref)
{
create (ref);
}
@@ -142,7 +142,7 @@ public abstract class Reference
* @param q the reference queue to register on.
* @exception NullPointerException if q is null.
*/
- Reference(Object ref, ReferenceQueue q)
+ Reference(T ref, ReferenceQueue<? super T> q)
{
if (q == null)
throw new NullPointerException();
@@ -153,20 +153,14 @@ public abstract class Reference
/**
* Notifies the VM that a new Reference has been created.
*/
- private native void create (Object o);
+ private native void create (T o);
/**
* Returns the object, this reference refers to.
* @return the object, this reference refers to, or null if the
* reference was cleared.
*/
- public Object get()
- {
- synchronized (lock)
- {
- return referent;
- }
- }
+ public native T get();
/**
* Clears the reference, so that it doesn't refer to its object