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Diffstat (limited to 'qpid/java/broker/src/main/java/org/apache/qpid/server/message/MessageReference.java')
-rw-r--r--qpid/java/broker/src/main/java/org/apache/qpid/server/message/MessageReference.java13
1 files changed, 7 insertions, 6 deletions
diff --git a/qpid/java/broker/src/main/java/org/apache/qpid/server/message/MessageReference.java b/qpid/java/broker/src/main/java/org/apache/qpid/server/message/MessageReference.java
index 055403ff08..399f8f9327 100644
--- a/qpid/java/broker/src/main/java/org/apache/qpid/server/message/MessageReference.java
+++ b/qpid/java/broker/src/main/java/org/apache/qpid/server/message/MessageReference.java
@@ -20,13 +20,12 @@
*/
package org.apache.qpid.server.message;
-import java.util.concurrent.atomic.AtomicReferenceFieldUpdater;
+import java.util.concurrent.atomic.AtomicBoolean;
public abstract class MessageReference<M extends ServerMessage>
{
- private static final AtomicReferenceFieldUpdater<MessageReference, ServerMessage> _messageUpdater =
- AtomicReferenceFieldUpdater.newUpdater(MessageReference.class, ServerMessage.class,"_message");
+ private final AtomicBoolean _released = new AtomicBoolean(false);
private volatile M _message;
@@ -47,10 +46,12 @@ public abstract class MessageReference<M extends ServerMessage>
public void release()
{
- M message = (M) _messageUpdater.getAndSet(this,null);
- if(message != null)
+ if(!_released.getAndSet(true))
{
- onRelease(message);
+ if(_message != null)
+ {
+ onRelease(_message);
+ }
}
}