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Merged gcj-eclipse branch to trunk.

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From-SVN: r120621
This commit is contained in:
Tom Tromey 2007-01-09 19:58:05 +00:00
parent c648dedbde
commit 97b8365caf
17478 changed files with 606493 additions and 100744 deletions
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24
libjava/classpath/java/lang/ThreadLocal.java
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@ -1,5 +1,5 @@
/* ThreadLocal -- a variable with a unique value per thread
Copyright (C) 2000, 2002, 2003, 2006 Free Software Foundation, Inc.
Copyright (C) 2000, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
This file is part of GNU Classpath.
@ -84,16 +84,16 @@ import java.util.Map;
* @author Mark Wielaard (mark@klomp.org)
* @author Eric Blake (ebb9@email.byu.edu)
* @since 1.2
* @status updated to 1.4
* @status updated to 1.5
*/
public class ThreadLocal
public class ThreadLocal<T>
{
/**
* Placeholder to distinguish between uninitialized and null set by the
* user. Do not expose this to the public. Package visible for use by
* InheritableThreadLocal
*/
static final Object NULL = new Object();
static final Object sentinel = new Object();
/**
* Creates a ThreadLocal object without associating any value to it yet.
@ -110,7 +110,7 @@ public class ThreadLocal
*
* @return the initial value of the variable in this thread
*/
protected Object initialValue()
protected T initialValue()
{
return null;
}
@ -123,18 +123,18 @@ public class ThreadLocal
*
* @return the value of the variable in this thread
*/
public Object get()
public T get()
{
Map map = Thread.getThreadLocals();
Map<ThreadLocal<T>,T> map = (Map<ThreadLocal<T>,T>) Thread.getThreadLocals();
// Note that we don't have to synchronize, as only this thread will
// ever modify the map.
Object value = map.get(this);
T value = map.get(this);
if (value == null)
{
value = initialValue();
map.put(this, value == null ? NULL : value);
map.put(this, (T) (value == null ? sentinel : value));
}
return value == NULL ? null : value;
return value == (T) sentinel ? null : value;
}
/**
@ -145,12 +145,12 @@ public class ThreadLocal
*
* @param value the value to set this thread's view of the variable to
*/
public void set(Object value)
public void set(T value)
{
Map map = Thread.getThreadLocals();
// Note that we don't have to synchronize, as only this thread will
// ever modify the map.
map.put(this, value == null ? NULL : value);
map.put(this, value == null ? sentinel : value);
}
/**