From cccdaa4e8af53d73a7303d07569ed86953441cce Mon Sep 17 00:00:00 2001
From: Arnaud Simon <arnaudsimon@apache.org>
Date: Tue, 3 Jun 2008 07:01:54 +0000
Subject: QPID-1112: Added sessionCompleted support and changed onMessage for
 invoking sessionCompleted when all expected messages have been received.

git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@662665 13f79535-47bb-0310-9956-ffa450edef68
---
 .../apache/qpid/client/BasicMessageConsumer.java   |  3 +--
 .../qpid/client/BasicMessageConsumer_0_10.java     | 26 +++++++++++++++++++++-
 .../java/org/apache/qpidity/nclient/Session.java   | 11 +++++++++
 .../apache/qpidity/nclient/impl/ClientSession.java |  5 +++++
 4 files changed, 42 insertions(+), 3 deletions(-)

(limited to 'java/client')

diff --git a/java/client/src/main/java/org/apache/qpid/client/BasicMessageConsumer.java b/java/client/src/main/java/org/apache/qpid/client/BasicMessageConsumer.java
index 1741903bb8..c4245d4fc8 100644
--- a/java/client/src/main/java/org/apache/qpid/client/BasicMessageConsumer.java
+++ b/java/client/src/main/java/org/apache/qpid/client/BasicMessageConsumer.java
@@ -38,7 +38,6 @@ import javax.jms.MessageListener;
 import java.util.Arrays;
 import java.util.Iterator;
 import java.util.List;
-import java.util.Map;
 import java.util.SortedSet;
 import java.util.ArrayList;
 import java.util.Collections;
@@ -116,7 +115,7 @@ public abstract class BasicMessageConsumer<H, B> extends Closeable implements Me
      * consumer whereas JMS defines this at the session level, hence why we associate it with the consumer in our
      * implementation.
      */
-    private final int _acknowledgeMode;
+    protected final int _acknowledgeMode;
 
     /**
      * Number of messages unacknowledged in DUPS_OK_ACKNOWLEDGE mode
diff --git a/java/client/src/main/java/org/apache/qpid/client/BasicMessageConsumer_0_10.java b/java/client/src/main/java/org/apache/qpid/client/BasicMessageConsumer_0_10.java
index f050cbe455..c47aee0410 100644
--- a/java/client/src/main/java/org/apache/qpid/client/BasicMessageConsumer_0_10.java
+++ b/java/client/src/main/java/org/apache/qpid/client/BasicMessageConsumer_0_10.java
@@ -77,6 +77,12 @@ public class BasicMessageConsumer_0_10 extends BasicMessageConsumer<Struct[], By
      */
     private final AtomicBoolean _syncReceive = new AtomicBoolean(false);
 
+    /**
+     * Used for no-ack mode so to send session completion command
+     */
+    private int _numberReceivedMessages = 0;
+    private int _firstMessageToComplete;
+
     //--- constructor
     protected BasicMessageConsumer_0_10(int channelId, AMQConnection connection, AMQDestination destination,
                                         String messageSelector, boolean noLocal, MessageFactoryRegistry messageFactory,
@@ -115,7 +121,6 @@ public class BasicMessageConsumer_0_10 extends BasicMessageConsumer<Struct[], By
      * message listener or to the sync consumer queue.
      *
      * @param jmsMessage this message has already been processed so can't redo preDeliver
-     * @param channelId
      */
     @Override public void notifyMessage(AbstractJMSMessage jmsMessage)
     {
@@ -160,6 +165,25 @@ public class BasicMessageConsumer_0_10 extends BasicMessageConsumer<Struct[], By
      */
     public void onMessage(Message message)
     {
+        /**
+         * For no-ack mode
+         */
+        if( _acknowledgeMode == org.apache.qpid.jms.Session.NO_ACKNOWLEDGE )
+        {
+            _numberReceivedMessages++;
+            if(_numberReceivedMessages == 1)
+            {
+                _firstMessageToComplete = message.getMessageTransferId();
+            }
+           if(_numberReceivedMessages >= getSession().getAMQConnection().getMaxPrefetch() )
+            {
+                RangeSet r = new RangeSet();
+                r.add(_firstMessageToComplete, message.getMessageTransferId());
+                _0_10session.getQpidSession().sessionCompleted(r, Option.TIMELY_REPLY);
+                _numberReceivedMessages = 0;
+            }
+        }
+
         int channelId = getSession().getChannelId();
         long deliveryId = message.getMessageTransferId();
         AMQShortString consumerTag = getConsumerTag();
diff --git a/java/client/src/main/java/org/apache/qpidity/nclient/Session.java b/java/client/src/main/java/org/apache/qpidity/nclient/Session.java
index 65b3685f86..28218e01d6 100644
--- a/java/client/src/main/java/org/apache/qpidity/nclient/Session.java
+++ b/java/client/src/main/java/org/apache/qpidity/nclient/Session.java
@@ -65,6 +65,16 @@ public interface Session
 
     public void sessionDetach(byte[] name);
 
+    /**
+     * This control is sent by the receiver of commands, and handled by the sender
+     * of commands. It informs the sender of all commands completed by the receiver.
+     * This excludes commands known by the receiver to be considered complete at the sender.
+     *
+     * @param commands completed commands.
+     * @param options  {@link Option#TIMELY_REPLY} If set, the sender is no longer free to delay the known-completed reply.
+     */
+    public void sessionCompleted(RangeSet commands, Option... options);
+
     public void sessionRequestTimeout(long expiry);
 
     public byte[] getName();
@@ -103,6 +113,7 @@ public interface Session
     public void messageTransfer(String destination, Message msg, short confirmMode, short acquireMode)
             throws IOException;
 
+
     /**
      * <p>This transfer streams a complete message using a single method. 
      * It uses pull-semantics instead of doing a push.</p>
diff --git a/java/client/src/main/java/org/apache/qpidity/nclient/impl/ClientSession.java b/java/client/src/main/java/org/apache/qpidity/nclient/impl/ClientSession.java
index f1701a6b38..58ffffb12b 100644
--- a/java/client/src/main/java/org/apache/qpidity/nclient/impl/ClientSession.java
+++ b/java/client/src/main/java/org/apache/qpidity/nclient/impl/ClientSession.java
@@ -105,6 +105,11 @@ public class ClientSession extends org.apache.qpidity.transport.Session implemen
         _currentDataSizeNotSynced = 0;
     }
 
+    public void sessionCompleted(RangeSet commands, Option ... options)
+    {
+        super.sessionCompleted(commands, options);
+    }
+
     /* -------------------------
      * Data methods
      * ------------------------*/
-- 
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