From c15d7a342bb41b9c75f590e4a5050a5e0717a03c Mon Sep 17 00:00:00 2001
From: Arnaud Simon <arnaudsimon@apache.org>
Date: Wed, 6 Feb 2008 16:00:22 +0000
Subject: Added close logic for releasing pre-fetched messages, see QPID-778

git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk@619043 13f79535-47bb-0310-9956-ffa450edef68
---
 .../java/org/apache/qpid/client/AMQSession.java    |  2 +-
 .../org/apache/qpid/client/AMQSession_0_10.java    | 29 ++++++++++++++++++++--
 .../qpid/client/BasicMessageConsumer_0_10.java     | 14 +++++++++++
 3 files changed, 42 insertions(+), 3 deletions(-)

(limited to 'qpid/java')

diff --git a/qpid/java/client/src/main/java/org/apache/qpid/client/AMQSession.java b/qpid/java/client/src/main/java/org/apache/qpid/client/AMQSession.java
index 3a59163f9b..b16c2682de 100644
--- a/qpid/java/client/src/main/java/org/apache/qpid/client/AMQSession.java
+++ b/qpid/java/client/src/main/java/org/apache/qpid/client/AMQSession.java
@@ -195,7 +195,7 @@ public abstract class AMQSession extends Closeable implements Session, QueueSess
      *
      * @todo Weaken the type once {@link FlowControllingBlockingQueue} implements Queue.
      */
-    private final FlowControllingBlockingQueue _queue;
+    protected final FlowControllingBlockingQueue _queue;
 
     /**
      * Holds the highest received delivery tag.
diff --git a/qpid/java/client/src/main/java/org/apache/qpid/client/AMQSession_0_10.java b/qpid/java/client/src/main/java/org/apache/qpid/client/AMQSession_0_10.java
index 59b21e69bc..246e27dde0 100644
--- a/qpid/java/client/src/main/java/org/apache/qpid/client/AMQSession_0_10.java
+++ b/qpid/java/client/src/main/java/org/apache/qpid/client/AMQSession_0_10.java
@@ -27,6 +27,7 @@ import org.apache.qpid.client.failover.FailoverProtectedOperation;
 import org.apache.qpid.client.protocol.AMQProtocolHandler;
 import org.apache.qpid.client.message.MessageFactoryRegistry;
 import org.apache.qpid.client.message.FiledTableSupport;
+import org.apache.qpid.client.message.UnprocessedMessage;
 import org.apache.qpidity.nclient.Session;
 import org.apache.qpidity.nclient.util.MessagePartListenerAdapter;
 import org.apache.qpidity.ErrorCode;
@@ -43,6 +44,8 @@ import javax.jms.IllegalStateException;
 import java.util.concurrent.ConcurrentLinkedQueue;
 import java.util.UUID;
 import java.util.Map;
+import java.util.Iterator;
+
 /**
  * This is a 0.10 Session
  */
@@ -238,6 +241,25 @@ public class AMQSession_0_10 extends AMQSession
         getCurrentException();
     }
 
+    /**
+     * We need to release message that may be pre-fetched in the local queue
+     *
+     * @throws JMSException
+     */
+    public void close() throws JMSException
+    {
+        super.close();
+        // We need to release pre-fetched messages
+        Iterator messages=_queue.iterator();
+        while (messages.hasNext())
+        {
+            UnprocessedMessage message=(UnprocessedMessage) messages.next();
+            messages.remove();
+            rejectMessage(message, true);
+        }
+    }
+
+
     /**
      * Commit the receipt and the delivery of all messages exchanged by this session resources.
      */
@@ -615,10 +637,13 @@ public class AMQSession_0_10 extends AMQSession
         }
     }
 
-     void stop() throws AMQException
+
+
+
+    void stop() throws AMQException
     {
         super.stop();
-           for(BasicMessageConsumer  c:  _consumers.values())
+        for(BasicMessageConsumer  c:  _consumers.values())
         {
               c.stop();
         }
diff --git a/qpid/java/client/src/main/java/org/apache/qpid/client/BasicMessageConsumer_0_10.java b/qpid/java/client/src/main/java/org/apache/qpid/client/BasicMessageConsumer_0_10.java
index 1c02f6a3e4..3534bade61 100644
--- a/qpid/java/client/src/main/java/org/apache/qpid/client/BasicMessageConsumer_0_10.java
+++ b/qpid/java/client/src/main/java/org/apache/qpid/client/BasicMessageConsumer_0_10.java
@@ -39,6 +39,7 @@ import javax.jms.MessageListener;
 import java.io.IOException;
 import java.nio.ByteBuffer;
 import java.util.concurrent.atomic.AtomicLong;
+import java.util.Iterator;
 
 /**
  * This is a 0.10 message consumer.
@@ -450,4 +451,17 @@ public class BasicMessageConsumer_0_10 extends BasicMessageConsumer<Struct[], By
     {
         _isStarted = false;
     }
+
+    public void close() throws JMSException
+    {
+        super.close();
+        // release message that may be staged
+        Iterator messages=_synchronousQueue.iterator();
+        while (messages.hasNext())
+        {
+            AbstractJMSMessage message=(AbstractJMSMessage) messages.next();
+            messages.remove();
+            _session.rejectMessage(message, true);
+        }
+    }
 }
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