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Posted to commits@qpid.apache.org by rg...@apache.org on 2014/02/07 17:57:52 UTC

svn commit: r1565726 [2/6] - in /qpid/trunk/qpid/java: ./ amqp-1-0-client-jms/ amqp-1-0-client/ amqp-1-0-common/ bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/tuple/ bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/upgrad...

Modified: qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/queue/QueueEntryImpl.java
URL: http://svn.apache.org/viewvc/qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/queue/QueueEntryImpl.java?rev=1565726&r1=1565725&r2=1565726&view=diff
==============================================================================
--- qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/queue/QueueEntryImpl.java (original)
+++ qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/queue/QueueEntryImpl.java Fri Feb  7 16:57:49 2014
@@ -26,11 +26,15 @@ import org.apache.qpid.AMQException;
 import org.apache.qpid.server.exchange.Exchange;
 import org.apache.qpid.server.filter.Filterable;
 import org.apache.qpid.server.message.InstanceProperties;
+import org.apache.qpid.server.message.MessageInstance;
 import org.apache.qpid.server.message.MessageReference;
 import org.apache.qpid.server.message.ServerMessage;
-import org.apache.qpid.server.subscription.Subscription;
+import org.apache.qpid.server.store.TransactionLogResource;
+import org.apache.qpid.server.consumer.Consumer;
 import org.apache.qpid.server.txn.LocalTransaction;
 import org.apache.qpid.server.txn.ServerTransaction;
+import org.apache.qpid.server.util.Action;
+import org.apache.qpid.server.util.StateChangeListener;
 
 import java.util.EnumMap;
 import java.util.HashSet;
@@ -46,7 +50,7 @@ public abstract class QueueEntryImpl imp
 
     private final QueueEntryList _queueEntryList;
 
-    private MessageReference _message;
+    private final MessageReference _message;
 
     private Set<Long> _rejectedBy = null;
 
@@ -59,7 +63,7 @@ public abstract class QueueEntryImpl imp
         (QueueEntryImpl.class, EntryState.class, "_state");
 
 
-    private volatile Set<StateChangeListener> _stateChangeListeners;
+    private volatile Set<StateChangeListener<MessageInstance<QueueConsumer>, State>> _stateChangeListeners;
 
     private static final
         AtomicReferenceFieldUpdater<QueueEntryImpl, Set>
@@ -134,7 +138,7 @@ public abstract class QueueEntryImpl imp
         return _entryId;
     }
 
-    public AMQQueue getQueue()
+    public AMQQueue<QueueConsumer> getQueue()
     {
         return _queueEntryList.getQueue();
     }
@@ -183,7 +187,7 @@ public abstract class QueueEntryImpl imp
 
     public boolean acquire()
     {
-        return acquire(NON_SUBSCRIPTION_ACQUIRED_STATE);
+        return acquire(NON_CONSUMER_ACQUIRED_STATE);
     }
 
     private boolean acquire(final EntryState state)
@@ -198,7 +202,7 @@ public abstract class QueueEntryImpl imp
         return acquired;
     }
 
-    public boolean acquire(Subscription sub)
+    public boolean acquire(QueueConsumer sub)
     {
         final boolean acquired = acquire(sub.getOwningState());
         if(acquired)
@@ -208,17 +212,17 @@ public abstract class QueueEntryImpl imp
         return acquired;
     }
 
-    public boolean acquiredBySubscription()
+    public boolean acquiredByConsumer()
     {
 
-        return (_state instanceof SubscriptionAcquiredState);
+        return (_state instanceof ConsumerAcquiredState);
     }
 
-    public boolean isAcquiredBy(Subscription subscription)
+    public boolean isAcquiredBy(QueueConsumer consumer)
     {
         EntryState state = _state;
-        return state instanceof SubscriptionAcquiredState
-               && ((SubscriptionAcquiredState)state).getSubscription() == subscription;
+        return state instanceof ConsumerAcquiredState
+               && ((ConsumerAcquiredState)state).getConsumer() == consumer;
     }
 
     public void release()
@@ -228,14 +232,9 @@ public abstract class QueueEntryImpl imp
         if((state.getState() == State.ACQUIRED) &&_stateUpdater.compareAndSet(this, state, AVAILABLE_STATE))
         {
 
-            if(state instanceof SubscriptionAcquiredState)
+            if(state instanceof ConsumerAcquiredState)
             {
                 getQueue().decrementUnackedMsgCount(this);
-                Subscription subscription = ((SubscriptionAcquiredState)state).getSubscription();
-                if (subscription != null)
-                {
-                    subscription.releaseQueueEntry(this);
-                }
             }
 
             if(!getQueue().isDeleted())
@@ -265,12 +264,12 @@ public abstract class QueueEntryImpl imp
         return Boolean.TRUE.equals(_instanceProperties.getProperty(InstanceProperties.Property.REDELIVERED));
     }
 
-    public Subscription getDeliveredSubscription()
+    public QueueConsumer getDeliveredConsumer()
     {
         EntryState state = _state;
-        if (state instanceof SubscriptionAcquiredState)
+        if (state instanceof ConsumerAcquiredState)
         {
-            return ((SubscriptionAcquiredState) state).getSubscription();
+            return (QueueConsumer) ((ConsumerAcquiredState) state).getConsumer();
         }
         else
         {
@@ -280,16 +279,16 @@ public abstract class QueueEntryImpl imp
 
     public void reject()
     {
-        Subscription subscription = getDeliveredSubscription();
+        QueueConsumer consumer = getDeliveredConsumer();
 
-        if (subscription != null)
+        if (consumer != null)
         {
             if (_rejectedBy == null)
             {
                 _rejectedBy = new HashSet<Long>();
             }
 
-            _rejectedBy.add(subscription.getSubscriptionID());
+            _rejectedBy.add(consumer.getId());
         }
         else
         {
@@ -297,12 +296,12 @@ public abstract class QueueEntryImpl imp
         }
     }
 
-    public boolean isRejectedBy(long subscriptionId)
+    public boolean isRejectedBy(QueueConsumer consumer)
     {
 
-        if (_rejectedBy != null) // We have subscriptions that rejected this message
+        if (_rejectedBy != null) // We have consumers that rejected this message
         {
-            return _rejectedBy.contains(subscriptionId);
+            return _rejectedBy.contains(consumer.getId());
         }
         else // This message hasn't been rejected yet.
         {
@@ -316,12 +315,10 @@ public abstract class QueueEntryImpl imp
 
         if((state.getState() == State.ACQUIRED) &&_stateUpdater.compareAndSet(this, state, DEQUEUED_STATE))
         {
-            Subscription s = null;
-            if (state instanceof SubscriptionAcquiredState)
+            Consumer s = null;
+            if (state instanceof ConsumerAcquiredState)
             {
                 getQueue().decrementUnackedMsgCount(this);
-                s = ((SubscriptionAcquiredState) state).getSubscription();
-                s.onDequeue(this);
             }
 
             getQueue().dequeue(this,s);
@@ -336,7 +333,7 @@ public abstract class QueueEntryImpl imp
 
     private void notifyStateChange(final State oldState, final State newState)
     {
-        for(StateChangeListener l : _stateChangeListeners)
+        for(StateChangeListener<MessageInstance<QueueConsumer>, State> l : _stateChangeListeners)
         {
             l.stateChanged(this, oldState, newState);
         }
@@ -367,7 +364,7 @@ public abstract class QueueEntryImpl imp
         dispose();
     }
 
-    public int routeToAlternate(final BaseQueue.PostEnqueueAction action, ServerTransaction txn)
+    public int routeToAlternate(final Action<MessageInstance<? extends Consumer>> action, ServerTransaction txn)
     {
         final AMQQueue currentQueue = getQueue();
         Exchange alternateExchange = currentQueue.getAlternateExchange();
@@ -379,7 +376,10 @@ public abstract class QueueEntryImpl imp
                 txn = new LocalTransaction(getQueue().getVirtualHost().getMessageStore());
             }
 
-            int enqueues = alternateExchange.send(getMessage(), getInstanceProperties(), txn, action);
+            int enqueues = alternateExchange.send(getMessage(),
+                                                  getInstanceProperties(),
+                                                  txn,
+                                                  action);
 
             txn.dequeue(currentQueue, getMessage(), new ServerTransaction.Action()
             {
@@ -412,21 +412,21 @@ public abstract class QueueEntryImpl imp
         return getQueue().isDeleted();
     }
 
-    public void addStateChangeListener(StateChangeListener listener)
+    public void addStateChangeListener(StateChangeListener<MessageInstance<QueueConsumer>, State> listener)
     {
-        Set<StateChangeListener> listeners = _stateChangeListeners;
+        Set<StateChangeListener<MessageInstance<QueueConsumer>, State>> listeners = _stateChangeListeners;
         if(listeners == null)
         {
-            _listenersUpdater.compareAndSet(this, null, new CopyOnWriteArraySet<StateChangeListener>());
+            _listenersUpdater.compareAndSet(this, null, new CopyOnWriteArraySet<StateChangeListener<MessageInstance<QueueConsumer>, State>>());
             listeners = _stateChangeListeners;
         }
 
         listeners.add(listener);
     }
 
-    public boolean removeStateChangeListener(StateChangeListener listener)
+    public boolean removeStateChangeListener(StateChangeListener<MessageInstance<QueueConsumer>, State> listener)
     {
-        Set<StateChangeListener> listeners = _stateChangeListeners;
+        Set<StateChangeListener<MessageInstance<QueueConsumer>, State>> listeners = _stateChangeListeners;
         if(listeners != null)
         {
             return listeners.remove(listener);
@@ -461,6 +461,12 @@ public abstract class QueueEntryImpl imp
         return _deliveryCount;
     }
 
+    @Override
+    public int getMaximumDeliveryCount()
+    {
+        return getQueue().getMaximumDeliveryCount();
+    }
+
     public void incrementDeliveryCount()
     {
         _deliveryCountUpdater.incrementAndGet(this);
@@ -485,6 +491,23 @@ public abstract class QueueEntryImpl imp
                 '}';
     }
 
+    @Override
+    public boolean resend() throws AMQException
+    {
+        QueueConsumer sub = getDeliveredConsumer();
+        if(sub != null)
+        {
+            return sub.resend(this);
+        }
+        return false;
+    }
+
+    @Override
+    public TransactionLogResource getOwningResource()
+    {
+        return getQueue();
+    }
+
     private static class EntryInstanceProperties implements InstanceProperties
     {
         private final EnumMap<Property, Object> _properties = new EnumMap<Property, Object>(Property.class);

Modified: qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/queue/QueueEntryList.java
URL: http://svn.apache.org/viewvc/qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/queue/QueueEntryList.java?rev=1565726&r1=1565725&r2=1565726&view=diff
==============================================================================
--- qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/queue/QueueEntryList.java (original)
+++ qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/queue/QueueEntryList.java Fri Feb  7 16:57:49 2014
@@ -24,7 +24,7 @@ import org.apache.qpid.server.message.Se
 
 public interface QueueEntryList<Q extends QueueEntry>
 {
-    AMQQueue getQueue();
+    AMQQueue<QueueConsumer> getQueue();
 
     Q add(ServerMessage message);
 

Modified: qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/queue/QueueRunner.java
URL: http://svn.apache.org/viewvc/qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/queue/QueueRunner.java?rev=1565726&r1=1565725&r2=1565726&view=diff
==============================================================================
--- qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/queue/QueueRunner.java (original)
+++ qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/queue/QueueRunner.java Fri Feb  7 16:57:49 2014
@@ -32,8 +32,8 @@ import org.apache.qpid.transport.Transpo
 
 /**
  * QueueRunners are Runnables used to process a queue when requiring
- * asynchronous message delivery to subscriptions, which is necessary
- * when straight-through delivery of a message to a subscription isn't
+ * asynchronous message delivery to consumers, which is necessary
+ * when straight-through delivery of a message to a consumer isn't
  * possible during the enqueue operation.
  */
 public class QueueRunner implements Runnable

Modified: qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/queue/SimpleAMQQueue.java
URL: http://svn.apache.org/viewvc/qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/queue/SimpleAMQQueue.java?rev=1565726&r1=1565725&r2=1565726&view=diff
==============================================================================
--- qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/queue/SimpleAMQQueue.java (original)
+++ qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/queue/SimpleAMQQueue.java Fri Feb  7 16:57:49 2014
@@ -18,15 +18,7 @@
  */
 package org.apache.qpid.server.queue;
 
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.EnumSet;
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import java.util.UUID;
+import java.util.*;
 import java.util.concurrent.ConcurrentSkipListSet;
 import java.util.concurrent.CopyOnWriteArrayList;
 import java.util.concurrent.Executor;
@@ -43,27 +35,33 @@ import org.apache.qpid.server.binding.Bi
 import org.apache.qpid.server.configuration.BrokerProperties;
 import org.apache.qpid.server.configuration.QueueConfiguration;
 import org.apache.qpid.server.exchange.Exchange;
+import org.apache.qpid.server.filter.FilterManager;
 import org.apache.qpid.server.logging.LogActor;
 import org.apache.qpid.server.logging.LogSubject;
 import org.apache.qpid.server.logging.actors.CurrentActor;
 import org.apache.qpid.server.logging.actors.QueueActor;
 import org.apache.qpid.server.logging.messages.QueueMessages;
 import org.apache.qpid.server.logging.subjects.QueueLogSubject;
+import org.apache.qpid.server.message.InstanceProperties;
+import org.apache.qpid.server.message.MessageDestination;
+import org.apache.qpid.server.message.MessageInstance;
+import org.apache.qpid.server.message.MessageReference;
 import org.apache.qpid.server.message.ServerMessage;
 import org.apache.qpid.server.model.Queue;
 import org.apache.qpid.server.protocol.AMQSessionModel;
 import org.apache.qpid.server.security.AuthorizationHolder;
-import org.apache.qpid.server.subscription.AssignedSubscriptionMessageGroupManager;
-import org.apache.qpid.server.subscription.DefinedGroupMessageGroupManager;
-import org.apache.qpid.server.subscription.MessageGroupManager;
-import org.apache.qpid.server.subscription.Subscription;
-import org.apache.qpid.server.subscription.SubscriptionList;
+import org.apache.qpid.server.consumer.Consumer;
+import org.apache.qpid.server.consumer.ConsumerTarget;
 import org.apache.qpid.server.txn.AutoCommitTransaction;
 import org.apache.qpid.server.txn.LocalTransaction;
 import org.apache.qpid.server.txn.ServerTransaction;
+import org.apache.qpid.server.util.Action;
+import org.apache.qpid.server.util.StateChangeListener;
 import org.apache.qpid.server.virtualhost.VirtualHost;
 
-public class SimpleAMQQueue implements AMQQueue, Subscription.StateListener, MessageGroupManager.SubscriptionResetHelper
+public class SimpleAMQQueue implements AMQQueue<QueueConsumer>,
+                                       StateChangeListener<QueueConsumer, QueueConsumer.State>,
+                                       MessageGroupManager.ConsumerResetHelper
 {
 
     private static final Logger _logger = Logger.getLogger(SimpleAMQQueue.class);
@@ -98,9 +96,9 @@ public class SimpleAMQQueue implements A
 
     private final QueueEntryList<QueueEntry> _entries;
 
-    private final SubscriptionList _subscriptionList = new SubscriptionList();
+    private final QueueConsumerList _consumerList = new QueueConsumerList();
 
-    private volatile Subscription _exclusiveSubscriber;
+    private volatile QueueConsumer _exclusiveSubscriber;
 
 
 
@@ -120,13 +118,7 @@ public class SimpleAMQQueue implements A
     private final AtomicLong _persistentMessageDequeueSize = new AtomicLong();
     private final AtomicLong _persistentMessageEnqueueCount = new AtomicLong();
     private final AtomicLong _persistentMessageDequeueCount = new AtomicLong();
-    private final AtomicInteger _consumerCountHigh = new AtomicInteger(0);
-    private final AtomicLong _msgTxnEnqueues = new AtomicLong(0);
-    private final AtomicLong _byteTxnEnqueues = new AtomicLong(0);
-    private final AtomicLong _msgTxnDequeues = new AtomicLong(0);
-    private final AtomicLong _byteTxnDequeues = new AtomicLong(0);
     private final AtomicLong _unackedMsgCount = new AtomicLong(0);
-    private final AtomicLong _unackedMsgCountHigh = new AtomicLong(0);
     private final AtomicLong _unackedMsgBytes = new AtomicLong();
 
     private final AtomicInteger _bindingCountHigh = new AtomicInteger();
@@ -165,7 +157,7 @@ public class SimpleAMQQueue implements A
     private final Set<AMQSessionModel> _blockedChannels = new ConcurrentSkipListSet<AMQSessionModel>();
 
     private final AtomicBoolean _deleted = new AtomicBoolean(false);
-    private final List<Task> _deleteTaskList = new CopyOnWriteArrayList<Task>();
+    private final List<Action<AMQQueue>> _deleteTaskList = new CopyOnWriteArrayList<Action<AMQQueue>>();
 
 
     private LogSubject _logSubject;
@@ -187,8 +179,8 @@ public class SimpleAMQQueue implements A
     private int _maximumDeliveryCount;
     private final MessageGroupManager _messageGroupManager;
 
-    private final Collection<SubscriptionRegistrationListener> _subscriptionListeners =
-            new ArrayList<SubscriptionRegistrationListener>();
+    private final Collection<ConsumerRegistrationListener> _consumerListeners =
+            new ArrayList<ConsumerRegistrationListener>();
 
     private AMQQueue.NotificationListener _notificationListener;
     private final long[] _lastNotificationTimes = new long[NotificationCheck.values().length];
@@ -257,7 +249,7 @@ public class SimpleAMQQueue implements A
             }
             else
             {
-                _messageGroupManager = new AssignedSubscriptionMessageGroupManager(String.valueOf(arguments.get(
+                _messageGroupManager = new AssignedConsumerMessageGroupManager(String.valueOf(arguments.get(
                         Queue.MESSAGE_GROUP_KEY)), DEFAULT_MAX_GROUPS);
             }
         }
@@ -388,11 +380,17 @@ public class SimpleAMQQueue implements A
         return _name;
     }
 
-    // ------ Manage Subscriptions
+    // ------ Manage Consumers
 
-    public synchronized void registerSubscription(final Subscription subscription, final boolean exclusive)
-            throws AMQSecurityException, ExistingExclusiveSubscription, ExistingSubscriptionPreventsExclusive
+
+    @Override
+    public synchronized QueueConsumer addConsumer(final ConsumerTarget target,
+                                     final FilterManager filters,
+                                     final Class<? extends ServerMessage> messageClass,
+                                     final String consumerName,
+                                     EnumSet<Consumer.Option> optionSet) throws AMQException
     {
+
         // Access control
         if (!getVirtualHost().getSecurityManager().authoriseConsume(this))
         {
@@ -400,58 +398,61 @@ public class SimpleAMQQueue implements A
         }
 
 
-        if (hasExclusiveSubscriber())
+        if (hasExclusiveConsumer())
         {
-            throw new ExistingExclusiveSubscription();
+            throw new ExistingExclusiveConsumer();
         }
 
-        if (exclusive && !subscription.isTransient())
+
+        boolean exclusive =  optionSet.contains(Consumer.Option.EXCLUSIVE);
+        boolean isTransient =  optionSet.contains(Consumer.Option.TRANSIENT);
+
+        if (exclusive && !isTransient && getConsumerCount() != 0)
         {
-            if (getConsumerCount() != 0)
-            {
-                throw new ExistingSubscriptionPreventsExclusive();
-            }
-            else
-            {
-                _exclusiveSubscriber = subscription;
-            }
+            throw new ExistingConsumerPreventsExclusive();
+        }
+
+        QueueConsumer consumer = new QueueConsumer(filters, messageClass,
+                                                                optionSet.contains(Consumer.Option.ACQUIRES),
+                                                                optionSet.contains(Consumer.Option.SEES_REQUEUES),
+                                                                consumerName, optionSet.contains(Consumer.Option.TRANSIENT), target);
+        target.consumerAdded(consumer);
+
+
+        if (exclusive && !isTransient)
+        {
+            _exclusiveSubscriber = consumer;
         }
 
-        if(subscription.isActive())
+        if(consumer.isActive())
         {
             _activeSubscriberCount.incrementAndGet();
         }
-        subscription.setStateListener(this);
-        subscription.setQueueContext(new QueueContext(_entries.getHead()));
+
+        consumer.setStateListener(this);
+        consumer.setQueueContext(new QueueContext(_entries.getHead()));
 
         if (!isDeleted())
         {
-            subscription.setQueue(this, exclusive);
+            consumer.setQueue(this, exclusive);
             if(_nolocal)
             {
-                subscription.setNoLocal(_nolocal);
+                consumer.setNoLocal(_nolocal);
             }
 
-            synchronized (_subscriptionListeners)
+            synchronized (_consumerListeners)
             {
-                for(SubscriptionRegistrationListener listener : _subscriptionListeners)
+                for(ConsumerRegistrationListener listener : _consumerListeners)
                 {
-                    listener.subscriptionRegistered(this, subscription);
+                    listener.consumerAdded(this, consumer);
                 }
             }
 
-            _subscriptionList.add(subscription);
-
-            //Increment consumerCountHigh if necessary. (un)registerSubscription are both
-            //synchronized methods so we don't need additional synchronization here
-            if(_consumerCountHigh.get() < getConsumerCount())
-            {
-                _consumerCountHigh.incrementAndGet();
-            }
+            _consumerList.add(consumer);
 
             if (isDeleted())
             {
-                subscription.queueDeleted(this);
+                consumer.queueDeleted();
             }
         }
         else
@@ -459,42 +460,49 @@ public class SimpleAMQQueue implements A
             // TODO
         }
 
-        deliverAsync(subscription);
+        deliverAsync(consumer);
+
+        return consumer;
 
     }
 
-    public synchronized void unregisterSubscription(final Subscription subscription) throws AMQException
+    synchronized void unregisterConsumer(final QueueConsumer consumer) throws AMQException
     {
-        if (subscription == null)
+        if (consumer == null)
         {
-            throw new NullPointerException("subscription argument is null");
+            throw new NullPointerException("consumer argument is null");
         }
 
-        boolean removed = _subscriptionList.remove(subscription);
+        boolean removed = _consumerList.remove(consumer);
 
         if (removed)
         {
-            subscription.close();
+            consumer.close();
             // No longer can the queue have an exclusive consumer
             setExclusiveSubscriber(null);
-            subscription.setQueueContext(null);
+            consumer.setQueueContext(null);
+
+            if(!isDeleted() && isExclusive() && getConsumerCount() == 0)
+            {
+                setAuthorizationHolder(null);
+            }
 
             if(_messageGroupManager != null)
             {
-                resetSubPointersForGroups(subscription, true);
+                resetSubPointersForGroups(consumer, true);
             }
 
-            synchronized (_subscriptionListeners)
+            synchronized (_consumerListeners)
             {
-                for(SubscriptionRegistrationListener listener : _subscriptionListeners)
+                for(ConsumerRegistrationListener listener : _consumerListeners)
                 {
-                    listener.subscriptionUnregistered(this, subscription);
+                    listener.consumerRemoved(this, consumer);
                 }
             }
 
             // auto-delete queues must be deleted if there are no remaining subscribers
 
-            if (_autoDelete && getDeleteOnNoConsumers() && !subscription.isTransient() && getConsumerCount() == 0  )
+            if (_autoDelete && getDeleteOnNoConsumers() && !consumer.isTransient() && getConsumerCount() == 0  )
             {
                 if (_logger.isInfoEnabled())
                 {
@@ -503,57 +511,57 @@ public class SimpleAMQQueue implements A
 
                 getVirtualHost().removeQueue(this);
 
-                // we need to manually fire the event to the removed subscription (which was the last one left for this
-                // queue. This is because the delete method uses the subscription set which has just been cleared
-                subscription.queueDeleted(this);
+                // we need to manually fire the event to the removed consumer (which was the last one left for this
+                // queue. This is because the delete method uses the consumer set which has just been cleared
+                consumer.queueDeleted();
             }
         }
 
     }
 
-    public Collection<Subscription> getConsumers()
+    public Collection<QueueConsumer> getConsumers()
     {
-        List<Subscription> consumers = new ArrayList<Subscription>();
-        SubscriptionList.SubscriptionNodeIterator iter = _subscriptionList.iterator();
+        List<QueueConsumer> consumers = new ArrayList<QueueConsumer>();
+        QueueConsumerList.ConsumerNodeIterator iter = _consumerList.iterator();
         while(iter.advance())
         {
-            consumers.add(iter.getNode().getSubscription());
+            consumers.add(iter.getNode().getConsumer());
         }
         return consumers;
 
     }
 
-    public void addSubscriptionRegistrationListener(final SubscriptionRegistrationListener listener)
+    public void addConsumerRegistrationListener(final ConsumerRegistrationListener listener)
     {
-        synchronized (_subscriptionListeners)
+        synchronized (_consumerListeners)
         {
-            _subscriptionListeners.add(listener);
+            _consumerListeners.add(listener);
         }
     }
 
-    public void removeSubscriptionRegistrationListener(final SubscriptionRegistrationListener listener)
+    public void removeConsumerRegistrationListener(final ConsumerRegistrationListener listener)
     {
-        synchronized (_subscriptionListeners)
+        synchronized (_consumerListeners)
         {
-            _subscriptionListeners.remove(listener);
+            _consumerListeners.remove(listener);
         }
     }
 
-    public void resetSubPointersForGroups(Subscription subscription, boolean clearAssignments)
+    public void resetSubPointersForGroups(QueueConsumer consumer, boolean clearAssignments)
     {
-        QueueEntry entry = _messageGroupManager.findEarliestAssignedAvailableEntry(subscription);
+        QueueEntry entry = _messageGroupManager.findEarliestAssignedAvailableEntry(consumer);
         if(clearAssignments)
         {
-            _messageGroupManager.clearAssignments(subscription);
+            _messageGroupManager.clearAssignments(consumer);
         }
 
         if(entry != null)
         {
-            SubscriptionList.SubscriptionNodeIterator subscriberIter = _subscriptionList.iterator();
+            QueueConsumerList.ConsumerNodeIterator subscriberIter = _consumerList.iterator();
             // iterate over all the subscribers, and if they are in advance of this queue entry then move them backwards
             while (subscriberIter.advance())
             {
-                Subscription sub = subscriberIter.getNode().getSubscription();
+                QueueConsumer sub = subscriberIter.getNode().getConsumer();
 
                 // we don't make browsers send the same stuff twice
                 if (sub.seesRequeues())
@@ -617,23 +625,9 @@ public class SimpleAMQQueue implements A
     }
 
     // ------ Enqueue / Dequeue
-    public void enqueue(ServerMessage message) throws AMQException
-    {
-        enqueue(message, null);
-    }
-
-    public void enqueue(ServerMessage message, PostEnqueueAction action) throws AMQException
-    {
-        enqueue(message, false, action);
-    }
 
-    public void enqueue(ServerMessage message, boolean transactional, PostEnqueueAction action) throws AMQException
+    public void enqueue(ServerMessage message, Action<MessageInstance<? extends Consumer>> action) throws AMQException
     {
-
-        if(transactional)
-        {
-            incrementTxnEnqueueStats(message);
-        }
         incrementQueueCount();
         incrementQueueSize(message);
 
@@ -641,35 +635,35 @@ public class SimpleAMQQueue implements A
 
 
         QueueEntry entry;
-        final Subscription exclusiveSub = _exclusiveSubscriber;
+        final QueueConsumer exclusiveSub = _exclusiveSubscriber;
         entry = _entries.add(message);
 
         if(action != null || (exclusiveSub == null  && _queueRunner.isIdle()))
         {
             /*
 
-            iterate over subscriptions and if any is at the end of the queue and can deliver this message, then deliver the message
+            iterate over consumers and if any is at the end of the queue and can deliver this message, then deliver the message
 
              */
-            SubscriptionList.SubscriptionNode node = _subscriptionList.getMarkedNode();
-            SubscriptionList.SubscriptionNode nextNode = node.findNext();
+            QueueConsumerList.ConsumerNode node = _consumerList.getMarkedNode();
+            QueueConsumerList.ConsumerNode nextNode = node.findNext();
             if (nextNode == null)
             {
-                nextNode = _subscriptionList.getHead().findNext();
+                nextNode = _consumerList.getHead().findNext();
             }
             while (nextNode != null)
             {
-                if (_subscriptionList.updateMarkedNode(node, nextNode))
+                if (_consumerList.updateMarkedNode(node, nextNode))
                 {
                     break;
                 }
                 else
                 {
-                    node = _subscriptionList.getMarkedNode();
+                    node = _consumerList.getMarkedNode();
                     nextNode = node.findNext();
                     if (nextNode == null)
                     {
-                        nextNode = _subscriptionList.getHead().findNext();
+                        nextNode = _consumerList.getHead().findNext();
                     }
                 }
             }
@@ -683,13 +677,13 @@ public class SimpleAMQQueue implements A
                 if (nextNode == null)
                 {
                     loops--;
-                    nextNode = _subscriptionList.getHead();
+                    nextNode = _consumerList.getHead();
                 }
                 else
                 {
-                    // if subscription at end, and active, offer
-                    Subscription sub = nextNode.getSubscription();
-                    deliverToSubscription(sub, entry);
+                    // if consumer at end, and active, offer
+                    QueueConsumer sub = nextNode.getConsumer();
+                    deliverToConsumer(sub, entry);
                 }
                 nextNode = nextNode.findNext();
 
@@ -699,7 +693,7 @@ public class SimpleAMQQueue implements A
 
         if (entry.isAvailable())
         {
-            checkSubscriptionsNotAheadOfDelivery(entry);
+            checkConsumersNotAheadOfDelivery(entry);
 
             if (exclusiveSub != null)
             {
@@ -715,12 +709,12 @@ public class SimpleAMQQueue implements A
 
         if(action != null)
         {
-            action.onEnqueue(entry);
+            action.performAction(entry);
         }
 
     }
 
-    private void deliverToSubscription(final Subscription sub, final QueueEntry entry)
+    private void deliverToConsumer(final QueueConsumer sub, final QueueEntry entry)
             throws AMQException
     {
 
@@ -729,14 +723,14 @@ public class SimpleAMQQueue implements A
             try
             {
                 if (!sub.isSuspended()
-                    && subscriptionReadyAndHasInterest(sub, entry)
+                    && consumerReadyAndHasInterest(sub, entry)
                     && mightAssign(sub, entry)
                     && !sub.wouldSuspend(entry))
                 {
                     if (sub.acquires() && !assign(sub, entry))
                     {
                         // restore credit here that would have been taken away by wouldSuspend since we didn't manage
-                        // to acquire the entry for this subscription
+                        // to acquire the entry for this consumer
                         sub.restoreCredit(entry);
                     }
                     else
@@ -752,7 +746,7 @@ public class SimpleAMQQueue implements A
         }
     }
 
-    private boolean assign(final Subscription sub, final QueueEntry entry)
+    private boolean assign(final QueueConsumer sub, final QueueEntry entry)
     {
         if(_messageGroupManager == null)
         {
@@ -766,17 +760,17 @@ public class SimpleAMQQueue implements A
         }
     }
 
-    private boolean mightAssign(final Subscription sub, final QueueEntry entry)
+    private boolean mightAssign(final QueueConsumer sub, final QueueEntry entry)
     {
         if(_messageGroupManager == null || !sub.acquires())
         {
             return true;
         }
-        Subscription assigned = _messageGroupManager.getAssignedSubscription(entry);
+        QueueConsumer assigned = _messageGroupManager.getAssignedConsumer(entry);
         return (assigned == null) || (assigned == sub);
     }
 
-    protected void checkSubscriptionsNotAheadOfDelivery(final QueueEntry entry)
+    protected void checkConsumersNotAheadOfDelivery(final QueueEntry entry)
     {
         // This method is only required for queues which mess with ordering
         // Simple Queues don't :-)
@@ -810,19 +804,7 @@ public class SimpleAMQQueue implements A
         getAtomicQueueCount().incrementAndGet();
     }
 
-    private void incrementTxnEnqueueStats(final ServerMessage message)
-    {
-        _msgTxnEnqueues.incrementAndGet();
-        _byteTxnEnqueues.addAndGet(message.getSize());
-    }
-
-    private void incrementTxnDequeueStats(QueueEntry entry)
-    {
-        _msgTxnDequeues.incrementAndGet();
-        _byteTxnDequeues.addAndGet(entry.getSize());
-    }
-
-    private void deliverMessage(final Subscription sub, final QueueEntry entry, boolean batch)
+    private void deliverMessage(final QueueConsumer sub, final QueueEntry entry, boolean batch)
             throws AMQException
     {
         setLastSeenEntry(sub, entry);
@@ -833,15 +815,15 @@ public class SimpleAMQQueue implements A
         sub.send(entry, batch);
     }
 
-    private boolean subscriptionReadyAndHasInterest(final Subscription sub, final QueueEntry entry) throws AMQException
+    private boolean consumerReadyAndHasInterest(final QueueConsumer sub, final QueueEntry entry) throws AMQException
     {
         return sub.hasInterest(entry) && (getNextAvailableEntry(sub) == entry);
     }
 
 
-    private void setLastSeenEntry(final Subscription sub, final QueueEntry entry)
+    private void setLastSeenEntry(final QueueConsumer sub, final QueueEntry entry)
     {
-        QueueContext subContext = (QueueContext) sub.getQueueContext();
+        QueueContext subContext = sub.getQueueContext();
         if (subContext != null)
         {
             QueueEntry releasedEntry = subContext.getReleasedEntry();
@@ -854,10 +836,10 @@ public class SimpleAMQQueue implements A
         }
     }
 
-    private void updateSubRequeueEntry(final Subscription sub, final QueueEntry entry)
+    private void updateSubRequeueEntry(final QueueConsumer sub, final QueueEntry entry)
     {
 
-        QueueContext subContext = (QueueContext) sub.getQueueContext();
+        QueueContext subContext = sub.getQueueContext();
         if(subContext != null)
         {
             QueueEntry oldEntry;
@@ -874,11 +856,11 @@ public class SimpleAMQQueue implements A
 
     public void requeue(QueueEntry entry)
     {
-        SubscriptionList.SubscriptionNodeIterator subscriberIter = _subscriptionList.iterator();
+        QueueConsumerList.ConsumerNodeIterator subscriberIter = _consumerList.iterator();
         // iterate over all the subscribers, and if they are in advance of this queue entry then move them backwards
         while (subscriberIter.advance() && entry.isAvailable())
         {
-            Subscription sub = subscriberIter.getNode().getSubscription();
+            QueueConsumer sub = subscriberIter.getNode().getConsumer();
 
             // we don't make browsers send the same stuff twice
             if (sub.seesRequeues())
@@ -891,20 +873,15 @@ public class SimpleAMQQueue implements A
 
     }
 
-    public void dequeue(QueueEntry entry, Subscription sub)
+    public void dequeue(QueueEntry entry, Consumer sub)
     {
         decrementQueueCount();
         decrementQueueSize(entry);
-        if (entry.acquiredBySubscription())
+        if (entry.acquiredByConsumer())
         {
             _deliveredMessages.decrementAndGet();
         }
 
-        if(sub != null && sub.isSessionTransactional())
-        {
-            incrementTxnDequeueStats(entry);
-        }
-
         checkCapacity();
 
     }
@@ -928,17 +905,17 @@ public class SimpleAMQQueue implements A
         _dequeueCount.incrementAndGet();
     }
 
-    public boolean resend(final QueueEntry entry, final Subscription subscription) throws AMQException
+    public boolean resend(final QueueEntry entry, final Consumer consumer) throws AMQException
     {
-        /* TODO : This is wrong as the subscription may be suspended, we should instead change the state of the message
-                  entry to resend and move back the subscription pointer. */
+        /* TODO : This is wrong as the consumer may be suspended, we should instead change the state of the message
+                  entry to resend and move back the consumer pointer. */
 
-        subscription.getSendLock();
+        consumer.getSendLock();
         try
         {
-            if (!subscription.isClosed())
+            if (!consumer.isClosed())
             {
-                deliverMessage(subscription, entry, false);
+                deliverMessage((QueueConsumer) consumer, entry, false);
                 return true;
             }
             else
@@ -948,7 +925,7 @@ public class SimpleAMQQueue implements A
         }
         finally
         {
-            subscription.releaseSendLock();
+            consumer.releaseSendLock();
         }
     }
 
@@ -956,12 +933,7 @@ public class SimpleAMQQueue implements A
 
     public int getConsumerCount()
     {
-        return _subscriptionList.size();
-    }
-
-    public int getConsumerCountHigh()
-    {
-        return _consumerCountHigh.get();
+        return _consumerList.size();
     }
 
     public int getActiveConsumerCount()
@@ -1039,16 +1011,16 @@ public class SimpleAMQQueue implements A
 
     }
 
-    public void stateChange(Subscription sub, Subscription.State oldState, Subscription.State newState)
+    public void stateChanged(QueueConsumer sub, QueueConsumer.State oldState, QueueConsumer.State newState)
     {
-        if (oldState == Subscription.State.ACTIVE && newState != Subscription.State.ACTIVE)
+        if (oldState == QueueConsumer.State.ACTIVE && newState != QueueConsumer.State.ACTIVE)
         {
             _activeSubscriberCount.decrementAndGet();
 
         }
-        else if (newState == Subscription.State.ACTIVE)
+        else if (newState == QueueConsumer.State.ACTIVE)
         {
-            if (oldState != Subscription.State.ACTIVE)
+            if (oldState != QueueConsumer.State.ACTIVE)
             {
                 _activeSubscriberCount.incrementAndGet();
 
@@ -1072,12 +1044,12 @@ public class SimpleAMQQueue implements A
         return _atomicQueueSize;
     }
 
-    public boolean hasExclusiveSubscriber()
+    public boolean hasExclusiveConsumer()
     {
         return _exclusiveSubscriber != null;
     }
 
-    private void setExclusiveSubscriber(Subscription exclusiveSubscriber)
+    private void setExclusiveSubscriber(QueueConsumer exclusiveSubscriber)
     {
         _exclusiveSubscriber = exclusiveSubscriber;
     }
@@ -1093,9 +1065,9 @@ public class SimpleAMQQueue implements A
         return _entries;
     }
 
-    protected SubscriptionList getSubscriptionList()
+    protected QueueConsumerList getConsumerList()
     {
-        return _subscriptionList;
+        return _consumerList;
     }
 
 
@@ -1300,12 +1272,12 @@ public class SimpleAMQQueue implements A
                     });
     }
 
-    public void addQueueDeleteTask(final Task task)
+    public void addQueueDeleteTask(final Action<AMQQueue> task)
     {
         _deleteTaskList.add(task);
     }
 
-    public void removeQueueDeleteTask(final Task task)
+    public void removeQueueDeleteTask(final Action<AMQQueue> task)
     {
         _deleteTaskList.remove(task);
     }
@@ -1322,19 +1294,21 @@ public class SimpleAMQQueue implements A
         if (!_deleted.getAndSet(true))
         {
 
-            for (Binding b : _bindings)
+            final ArrayList<Binding> bindingCopy = new ArrayList<Binding>(_bindings);
+
+            for (Binding b : bindingCopy)
             {
                 b.getExchange().removeBinding(b);
             }
 
-            SubscriptionList.SubscriptionNodeIterator subscriptionIter = _subscriptionList.iterator();
+            QueueConsumerList.ConsumerNodeIterator consumerNodeIterator = _consumerList.iterator();
 
-            while (subscriptionIter.advance())
+            while (consumerNodeIterator.advance())
             {
-                Subscription s = subscriptionIter.getNode().getSubscription();
+                QueueConsumer s = consumerNodeIterator.getNode().getConsumer();
                 if (s != null)
                 {
-                    s.queueDeleted(this);
+                    s.queueDeleted();
                 }
             }
 
@@ -1375,9 +1349,9 @@ public class SimpleAMQQueue implements A
             }
 
 
-            for (Task task : _deleteTaskList)
+            for (Action<AMQQueue> task : _deleteTaskList)
             {
-                task.doTask(this);
+                task.performAction(this);
             }
 
             _deleteTaskList.clear();
@@ -1461,7 +1435,7 @@ public class SimpleAMQQueue implements A
 
     }
 
-    public void deliverAsync(Subscription sub)
+    public void deliverAsync(QueueConsumer sub)
     {
         if(_exclusiveSubscriber == null)
         {
@@ -1469,28 +1443,23 @@ public class SimpleAMQQueue implements A
         }
         else
         {
-            SubFlushRunner flusher = (SubFlushRunner) sub.get(SUB_FLUSH_RUNNER);
-            if(flusher == null)
-            {
-                flusher = new SubFlushRunner(sub);
-                sub.set(SUB_FLUSH_RUNNER, flusher);
-            }
+            SubFlushRunner flusher = sub.getRunner();
             flusher.execute(_asyncDelivery);
         }
 
     }
 
-    public void flushSubscription(Subscription sub) throws AMQException
+    void flushConsumer(QueueConsumer sub) throws AMQException
     {
         // Access control
         if (!getVirtualHost().getSecurityManager().authoriseConsume(this))
         {
             throw new AMQSecurityException("Permission denied: " + getName());
         }
-        flushSubscription(sub, Long.MAX_VALUE);
+        flushConsumer(sub, Long.MAX_VALUE);
     }
 
-    public boolean flushSubscription(Subscription sub, long iterations) throws AMQException
+    boolean flushConsumer(QueueConsumer sub, long iterations) throws AMQException
     {
         boolean atTail = false;
         final boolean keepSendLockHeld = iterations <=  SimpleAMQQueue.MAX_ASYNC_DELIVERIES;
@@ -1511,8 +1480,8 @@ public class SimpleAMQQueue implements A
                         sub.getSendLock();
                     }
 
-                    atTail = attemptDelivery(sub, true);
-                    if (atTail && getNextAvailableEntry(sub) == null)
+                    atTail = attemptDelivery((QueueConsumer)sub, true);
+                    if (atTail && getNextAvailableEntry((QueueConsumer)sub) == null)
                     {
                         queueEmpty = true;
                     }
@@ -1546,21 +1515,21 @@ public class SimpleAMQQueue implements A
         }
 
 
-        // if there's (potentially) more than one subscription the others will potentially not have been advanced to the
+        // if there's (potentially) more than one consumer the others will potentially not have been advanced to the
         // next entry they are interested in yet.  This would lead to holding on to references to expired messages, etc
         // which would give us memory "leak".
 
-        if (!hasExclusiveSubscriber())
+        if (!hasExclusiveConsumer())
         {
-            advanceAllSubscriptions();
+            advanceAllConsumers();
         }
         return atTail;
     }
 
     /**
-     * Attempt delivery for the given subscription.
+     * Attempt delivery for the given consumer.
      *
-     * Looks up the next node for the subscription and attempts to deliver it.
+     * Looks up the next node for the consumer and attempts to deliver it.
      *
      *
      * @param sub
@@ -1568,7 +1537,7 @@ public class SimpleAMQQueue implements A
      * @return true if we have completed all possible deliveries for this sub.
      * @throws AMQException
      */
-    private boolean attemptDelivery(Subscription sub, boolean batch) throws AMQException
+    private boolean attemptDelivery(QueueConsumer sub, boolean batch) throws AMQException
     {
         boolean atTail = false;
 
@@ -1587,7 +1556,7 @@ public class SimpleAMQQueue implements A
                         if (sub.acquires() && !assign(sub, node))
                         {
                             // restore credit here that would have been taken away by wouldSuspend since we didn't manage
-                            // to acquire the entry for this subscription
+                            // to acquire the entry for this consumer
                             sub.restoreCredit(node);
                         }
                         else
@@ -1598,7 +1567,7 @@ public class SimpleAMQQueue implements A
                     }
                     else // Not enough Credit for message and wouldSuspend
                     {
-                        //QPID-1187 - Treat the subscription as suspended for this message
+                        //QPID-1187 - Treat the consumer as suspended for this message
                         // and wait for the message to be removed to continue delivery.
                         subActive = false;
                         node.addStateChangeListener(new QueueEntryListener(sub));
@@ -1611,13 +1580,13 @@ public class SimpleAMQQueue implements A
         return atTail || !subActive;
     }
 
-    protected void advanceAllSubscriptions() throws AMQException
+    protected void advanceAllConsumers() throws AMQException
     {
-        SubscriptionList.SubscriptionNodeIterator subscriberIter = _subscriptionList.iterator();
-        while (subscriberIter.advance())
+        QueueConsumerList.ConsumerNodeIterator consumerNodeIterator = _consumerList.iterator();
+        while (consumerNodeIterator.advance())
         {
-            SubscriptionList.SubscriptionNode subNode = subscriberIter.getNode();
-            Subscription sub = subNode.getSubscription();
+            QueueConsumerList.ConsumerNode subNode = consumerNodeIterator.getNode();
+            QueueConsumer sub = subNode.getConsumer();
             if(sub.acquires())
             {
                 getNextAvailableEntry(sub);
@@ -1629,10 +1598,10 @@ public class SimpleAMQQueue implements A
         }
     }
 
-    private QueueEntry getNextAvailableEntry(final Subscription sub)
+    private QueueEntry getNextAvailableEntry(final QueueConsumer sub)
             throws AMQException
     {
-        QueueContext context = (QueueContext) sub.getQueueContext();
+        QueueContext context = sub.getQueueContext();
         if(context != null)
         {
             QueueEntry lastSeen = context.getLastSeenEntry();
@@ -1670,9 +1639,9 @@ public class SimpleAMQQueue implements A
         }
     }
 
-    public boolean isEntryAheadOfSubscription(QueueEntry entry, Subscription sub)
+    public boolean isEntryAheadOfConsumer(QueueEntry entry, QueueConsumer sub)
     {
-        QueueContext context = (QueueContext) sub.getQueueContext();
+        QueueContext context = sub.getQueueContext();
         if(context != null)
         {
             QueueEntry releasedNode = context.getReleasedEntry();
@@ -1689,14 +1658,14 @@ public class SimpleAMQQueue implements A
      *
      * A queue Runner is started whenever a state change occurs, e.g when a new
      * message arrives on the queue and cannot be immediately delivered to a
-     * subscription (i.e. asynchronous delivery is required). Unless there are
-     * SubFlushRunners operating (due to subscriptions unsuspending) which are
+     * consumer (i.e. asynchronous delivery is required). Unless there are
+     * SubFlushRunners operating (due to consumers unsuspending) which are
      * capable of accepting/delivering all messages then these messages would
      * otherwise remain on the queue.
      *
      * processQueue should be running while there are messages on the queue AND
-     * there are subscriptions that can deliver them. If there are no
-     * subscriptions capable of delivering the remaining messages on the queue
+     * there are consumers that can deliver them. If there are no
+     * consumers capable of delivering the remaining messages on the queue
      * then processQueue should stop to prevent spinning.
      *
      * Since processQueue is runs in a fixed size Executor, it should not run
@@ -1720,7 +1689,7 @@ public class SimpleAMQQueue implements A
         boolean lastLoop = false;
         int iterations = MAX_ASYNC_DELIVERIES;
 
-        final int numSubs = _subscriptionList.size();
+        final int numSubs = _consumerList.size();
 
         final int perSub = Math.max(iterations / Math.max(numSubs,1), 1);
 
@@ -1731,8 +1700,8 @@ public class SimpleAMQQueue implements A
         // So whilst delivery/rejection is going on a processQueue thread will be running
         while (iterations != 0 && ((previousStateChangeCount != (stateChangeCount = _stateChangeCount.get())) || deliveryIncomplete))
         {
-            // we want to have one extra loop after every subscription has reached the point where it cannot move
-            // further, just in case the advance of one subscription in the last loop allows a different subscription to
+            // we want to have one extra loop after every consumer has reached the point where it cannot move
+            // further, just in case the advance of one consumer in the last loop allows a different consumer to
             // move forward in the next iteration
 
             if (previousStateChangeCount != stateChangeCount)
@@ -1744,14 +1713,14 @@ public class SimpleAMQQueue implements A
             }
 
             previousStateChangeCount = stateChangeCount;
-            boolean allSubscriptionsDone = true;
-            boolean subscriptionDone;
+            boolean allConsumersDone = true;
+            boolean consumerDone;
 
-            SubscriptionList.SubscriptionNodeIterator subscriptionIter = _subscriptionList.iterator();
+            QueueConsumerList.ConsumerNodeIterator consumerNodeIterator = _consumerList.iterator();
             //iterate over the subscribers and try to advance their pointer
-            while (subscriptionIter.advance())
+            while (consumerNodeIterator.advance())
             {
-                Subscription sub = subscriptionIter.getNode().getSubscription();
+                QueueConsumer sub = consumerNodeIterator.getNode().getConsumer();
                 sub.getSendLock();
 
                     try
@@ -1759,8 +1728,8 @@ public class SimpleAMQQueue implements A
                         for(int i = 0 ; i < perSub; i++)
                         {
                             //attempt delivery. returns true if no further delivery currently possible to this sub
-                            subscriptionDone = attemptDelivery(sub, true);
-                            if (subscriptionDone)
+                            consumerDone = attemptDelivery(sub, true);
+                            if (consumerDone)
                             {
                                 sub.flushBatched();
                                 if (lastLoop && !sub.isSuspended())
@@ -1771,9 +1740,9 @@ public class SimpleAMQQueue implements A
                             }
                             else
                             {
-                                //this subscription can accept additional deliveries, so we must
+                                //this consumer can accept additional deliveries, so we must
                                 //keep going after this (if iteration slicing allows it)
-                                allSubscriptionsDone = false;
+                                allConsumersDone = false;
                                 lastLoop = false;
                                 if(--iterations == 0)
                                 {
@@ -1792,24 +1761,24 @@ public class SimpleAMQQueue implements A
                     }
             }
 
-            if(allSubscriptionsDone && lastLoop)
+            if(allConsumersDone && lastLoop)
             {
                 //We have done an extra loop already and there are again
                 //again no further delivery attempts possible, only
                 //keep going if state change demands it.
                 deliveryIncomplete = false;
             }
-            else if(allSubscriptionsDone)
+            else if(allConsumersDone)
             {
-                //All subscriptions reported being done, but we have to do
+                //All consumers reported being done, but we have to do
                 //an extra loop if the iterations are not exhausted and
                 //there is still any work to be done
-                deliveryIncomplete = _subscriptionList.size() != 0;
+                deliveryIncomplete = _consumerList.size() != 0;
                 lastLoop = true;
             }
             else
             {
-                //some subscriptions can still accept more messages,
+                //some consumers can still accept more messages,
                 //keep going if iteration count allows.
                 lastLoop = false;
                 deliveryIncomplete = true;
@@ -1984,12 +1953,12 @@ public class SimpleAMQQueue implements A
         return _notificationChecks;
     }
 
-    private final class QueueEntryListener implements QueueEntry.StateChangeListener
+    private final class QueueEntryListener implements StateChangeListener<MessageInstance<QueueConsumer>, QueueEntry.State>
     {
 
-        private final Subscription _sub;
+        private final QueueConsumer _sub;
 
-        public QueueEntryListener(final Subscription sub)
+        public QueueEntryListener(final QueueConsumer sub)
         {
             _sub = sub;
         }
@@ -2005,7 +1974,7 @@ public class SimpleAMQQueue implements A
             return System.identityHashCode(_sub);
         }
 
-        public void stateChanged(QueueEntry entry, QueueEntry.State oldSate, QueueEntry.State newState)
+        public void stateChanged(MessageInstance entry, QueueEntry.State oldSate, QueueEntry.State newState)
         {
             entry.removeStateChangeListener(this);
             deliverAsync(_sub);
@@ -2076,26 +2045,6 @@ public class SimpleAMQQueue implements A
         return _dequeueSize.get();
     }
 
-    public long getByteTxnEnqueues()
-    {
-        return _byteTxnEnqueues.get();
-    }
-
-    public long getByteTxnDequeues()
-    {
-        return _byteTxnDequeues.get();
-    }
-
-    public long getMsgTxnEnqueues()
-    {
-        return _msgTxnEnqueues.get();
-    }
-
-    public long getMsgTxnDequeues()
-    {
-        return _msgTxnDequeues.get();
-    }
-
     public long getPersistentByteEnqueues()
     {
         return _persistentMessageEnqueueSize.get();
@@ -2123,11 +2072,6 @@ public class SimpleAMQQueue implements A
         return getName();
     }
 
-    public long getUnackedMessageCountHigh()
-    {
-        return _unackedMsgCountHigh.get();
-    }
-
     public long getUnackedMessageCount()
     {
         return _unackedMsgCount.get();
@@ -2146,17 +2090,8 @@ public class SimpleAMQQueue implements A
 
     private void incrementUnackedMsgCount(QueueEntry entry)
     {
-        long unackedMsgCount = _unackedMsgCount.incrementAndGet();
+        _unackedMsgCount.incrementAndGet();
         _unackedMsgBytes.addAndGet(entry.getSize());
-
-        long unackedMsgCountHigh;
-        while(unackedMsgCount > (unackedMsgCountHigh = _unackedMsgCountHigh.get()))
-        {
-            if(_unackedMsgCountHigh.compareAndSet(unackedMsgCountHigh, unackedMsgCount))
-            {
-                break;
-            }
-        }
     }
 
     public LogActor getLogActor()
@@ -2224,4 +2159,39 @@ public class SimpleAMQQueue implements A
         return (String) _arguments.get(Queue.DESCRIPTION);
     }
 
+    public final int send(final ServerMessage message,
+                              final InstanceProperties instanceProperties,
+                              final ServerTransaction txn,
+                              final Action<MessageInstance<? extends Consumer>> postEnqueueAction)
+    {
+            txn.enqueue(this,message, new ServerTransaction.Action()
+            {
+                MessageReference _reference = message.newReference();
+
+                public void postCommit()
+                {
+                    try
+                    {
+                        SimpleAMQQueue.this.enqueue(message, postEnqueueAction);
+                    }
+                    catch (AMQException e)
+                    {
+                        // TODO
+                        throw new RuntimeException(e);
+                    }
+                    finally
+                    {
+                        _reference.release();
+                    }
+                }
+
+                public void onRollback()
+                {
+                    _reference.release();
+                }
+            });
+            return 1;
+
+    }
+
 }

Modified: qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/queue/SimpleQueueEntryList.java
URL: http://svn.apache.org/viewvc/qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/queue/SimpleQueueEntryList.java?rev=1565726&r1=1565725&r2=1565726&view=diff
==============================================================================
--- qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/queue/SimpleQueueEntryList.java (original)
+++ qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/queue/SimpleQueueEntryList.java Fri Feb  7 16:57:49 2014
@@ -39,7 +39,7 @@ public class SimpleQueueEntryList implem
         (SimpleQueueEntryList.class, SimpleQueueEntryImpl.class, "_tail");
 
 
-    private final AMQQueue _queue;
+    private final AMQQueue<QueueConsumer> _queue;
 
     static final AtomicReferenceFieldUpdater<SimpleQueueEntryImpl, SimpleQueueEntryImpl>
                 _nextUpdater = SimpleQueueEntryImpl._nextUpdater;
@@ -49,7 +49,7 @@ public class SimpleQueueEntryList implem
     private final AtomicReference<SimpleQueueEntryImpl> _unscavengedHWM = new AtomicReference<SimpleQueueEntryImpl>();
 
 
-    public SimpleQueueEntryList(AMQQueue queue)
+    public SimpleQueueEntryList(AMQQueue<QueueConsumer> queue)
     {
         _queue = queue;
         _head = new SimpleQueueEntryImpl(this);
@@ -71,7 +71,7 @@ public class SimpleQueueEntryList implem
     }
 
 
-    public AMQQueue getQueue()
+    public AMQQueue<QueueConsumer> getQueue()
     {
         return _queue;
     }

Modified: qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/queue/SortedQueue.java
URL: http://svn.apache.org/viewvc/qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/queue/SortedQueue.java?rev=1565726&r1=1565725&r2=1565726&view=diff
==============================================================================
--- qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/queue/SortedQueue.java (original)
+++ qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/queue/SortedQueue.java Fri Feb  7 16:57:49 2014
@@ -20,7 +20,10 @@
 package org.apache.qpid.server.queue;
 
 import org.apache.qpid.AMQException;
+import org.apache.qpid.server.consumer.Consumer;
+import org.apache.qpid.server.message.MessageInstance;
 import org.apache.qpid.server.message.ServerMessage;
+import org.apache.qpid.server.util.Action;
 import org.apache.qpid.server.virtualhost.VirtualHost;
 
 import java.util.Map;
@@ -29,7 +32,7 @@ import java.util.UUID;
 public class SortedQueue extends OutOfOrderQueue
 {
     //Lock object to synchronize enqueue. Used instead of the object
-    //monitor to prevent lock order issues with subscription sendLocks
+    //monitor to prevent lock order issues with consumer sendLocks
     //and consumer updates in the super classes
     private final Object _sortedQueueLock = new Object();
     private final String _sortedPropertyName;
@@ -48,7 +51,7 @@ public class SortedQueue extends OutOfOr
         return _sortedPropertyName;
     }
 
-    public void enqueue(ServerMessage message, PostEnqueueAction action) throws AMQException
+    public void enqueue(ServerMessage message, Action<MessageInstance<? extends Consumer>> action) throws AMQException
     {
         synchronized (_sortedQueueLock)
         {

Modified: qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/queue/SortedQueueEntryList.java
URL: http://svn.apache.org/viewvc/qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/queue/SortedQueueEntryList.java?rev=1565726&r1=1565725&r2=1565726&view=diff
==============================================================================
--- qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/queue/SortedQueueEntryList.java (original)
+++ qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/queue/SortedQueueEntryList.java Fri Feb  7 16:57:49 2014
@@ -28,7 +28,7 @@ import org.apache.qpid.server.queue.Sort
  * Uses the red/black tree algorithm specified in "Introduction to Algorithms".
  * ISBN-10: 0262033844
  * ISBN-13: 978-0262033848
- * @see http://en.wikipedia.org/wiki/Red-black_tree
+ * see http://en.wikipedia.org/wiki/Red-black_tree
  */
 public class SortedQueueEntryList implements QueueEntryList<SortedQueueEntryImpl>
 {
@@ -36,17 +36,17 @@ public class SortedQueueEntryList implem
     private SortedQueueEntryImpl _root;
     private long _entryId = Long.MIN_VALUE;
     private final Object _lock = new Object();
-    private final AMQQueue _queue;
+    private final AMQQueue<QueueConsumer> _queue;
     private final String _propertyName;
 
-    public SortedQueueEntryList(final AMQQueue queue, final String propertyName)
+    public SortedQueueEntryList(final AMQQueue<QueueConsumer> queue, final String propertyName)
     {
         _queue = queue;
         _head = new SortedQueueEntryImpl(this);
         _propertyName = propertyName;
     }
 
-    public AMQQueue getQueue()
+    public AMQQueue<QueueConsumer> getQueue()
     {
         return _queue;
     }

Modified: qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/queue/SubFlushRunner.java
URL: http://svn.apache.org/viewvc/qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/queue/SubFlushRunner.java?rev=1565726&r1=1565725&r2=1565726&view=diff
==============================================================================
--- qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/queue/SubFlushRunner.java (original)
+++ qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/queue/SubFlushRunner.java Fri Feb  7 16:57:49 2014
@@ -25,7 +25,6 @@ import org.apache.log4j.Logger;
 
 import org.apache.qpid.AMQException;
 import org.apache.qpid.server.logging.actors.CurrentActor;
-import org.apache.qpid.server.subscription.Subscription;
 import org.apache.qpid.transport.TransportException;
 
 import java.util.concurrent.Executor;
@@ -38,7 +37,7 @@ class SubFlushRunner implements Runnable
     private static final Logger _logger = Logger.getLogger(SubFlushRunner.class);
 
 
-    private final Subscription _sub;
+    private final QueueConsumer _sub;
 
     private static int IDLE = 0;
     private static int SCHEDULED = 1;
@@ -51,7 +50,7 @@ class SubFlushRunner implements Runnable
     private static final long ITERATIONS = SimpleAMQQueue.MAX_ASYNC_DELIVERIES;
     private final AtomicBoolean _stateChange = new AtomicBoolean();
 
-    public SubFlushRunner(Subscription sub)
+    public SubFlushRunner(QueueConsumer sub)
     {
         _sub = sub;
     }
@@ -65,7 +64,7 @@ class SubFlushRunner implements Runnable
             try
             {
                 CurrentActor.set(_sub.getLogActor());
-                complete = getQueue().flushSubscription(_sub, ITERATIONS);
+                complete = getQueue().flushConsumer(_sub, ITERATIONS);
             }
             catch (AMQException e)
             {

Modified: qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/store/AbstractJDBCMessageStore.java
URL: http://svn.apache.org/viewvc/qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/store/AbstractJDBCMessageStore.java?rev=1565726&r1=1565725&r2=1565726&view=diff
==============================================================================
--- qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/store/AbstractJDBCMessageStore.java (original)
+++ qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/store/AbstractJDBCMessageStore.java Fri Feb  7 16:57:49 2014
@@ -1065,7 +1065,7 @@ abstract public class AbstractJDBCMessag
                     stmt.setString(4, "E");
                     for(Transaction.Record record : enqueues)
                     {
-                        stmt.setString(5, record.getQueue().getId().toString());
+                        stmt.setString(5, record.getResource().getId().toString());
                         stmt.setLong(6, record.getMessage().getMessageNumber());
                         stmt.executeUpdate();
                     }
@@ -1076,7 +1076,7 @@ abstract public class AbstractJDBCMessag
                     stmt.setString(4, "D");
                     for(Transaction.Record record : dequeues)
                     {
-                        stmt.setString(5, record.getQueue().getId().toString());
+                        stmt.setString(5, record.getResource().getId().toString());
                         stmt.setLong(6, record.getMessage().getMessageNumber());
                         stmt.executeUpdate();
                     }
@@ -1199,7 +1199,7 @@ abstract public class AbstractJDBCMessag
             buf.position(1);
             buf = buf.slice();
 
-            metaData.writeToBuffer(0, buf);
+            metaData.writeToBuffer(buf);
             ByteArrayInputStream bis = new ByteArrayInputStream(underlying);
             try
             {
@@ -1371,7 +1371,7 @@ abstract public class AbstractJDBCMessag
         }
 
         @Override
-        public TransactionLogResource getQueue()
+        public TransactionLogResource getResource()
         {
             return this;
         }
@@ -1401,10 +1401,22 @@ abstract public class AbstractJDBCMessag
         }
 
         @Override
+        public String getName()
+        {
+            return _queueId.toString();
+        }
+
+        @Override
         public UUID getId()
         {
             return _queueId;
         }
+
+        @Override
+        public boolean isDurable()
+        {
+            return true;
+        }
     }
 
     protected void recoverXids(TransactionLogRecoveryHandler.DtxRecordRecoveryHandler dtxrh) throws SQLException

Propchange: qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/store/AbstractJDBCMessageStore.java
------------------------------------------------------------------------------
  Merged /qpid/branches/java-broker-amqp-1-0-management/java/broker-core/src/main/java/org/apache/qpid/server/store/AbstractJDBCMessageStore.java:r1562456-1565710

Modified: qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/store/DurableConfigurationStoreHelper.java
URL: http://svn.apache.org/viewvc/qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/store/DurableConfigurationStoreHelper.java?rev=1565726&r1=1565725&r2=1565726&view=diff
==============================================================================
--- qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/store/DurableConfigurationStoreHelper.java (original)
+++ qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/store/DurableConfigurationStoreHelper.java Fri Feb  7 16:57:49 2014
@@ -29,6 +29,7 @@ import java.util.Map;
 
 import java.util.Set;
 import org.apache.qpid.AMQStoreException;
+import org.apache.qpid.server.consumer.Consumer;
 import org.apache.qpid.server.model.Binding;
 import org.apache.qpid.server.model.Exchange;
 import org.apache.qpid.server.model.LifetimePolicy;
@@ -46,7 +47,7 @@ public class DurableConfigurationStoreHe
                                                                                                   Queue.EXCLUSIVE,
                                                                                                   Queue.ALTERNATE_EXCHANGE));
 
-    public static void updateQueue(DurableConfigurationStore store, AMQQueue queue) throws AMQStoreException
+    public static void updateQueue(DurableConfigurationStore store, AMQQueue<? extends Consumer> queue) throws AMQStoreException
     {
         Map<String, Object> attributesMap = new LinkedHashMap<String, Object>();
         attributesMap.put(Queue.NAME, queue.getName());
@@ -71,7 +72,7 @@ public class DurableConfigurationStoreHe
         store.update(queue.getId(), QUEUE, attributesMap);
     }
 
-    public static void createQueue(DurableConfigurationStore store, AMQQueue queue)
+    public static void createQueue(DurableConfigurationStore store, AMQQueue<? extends Consumer> queue)
             throws AMQStoreException
     {
         Map<String, Object> attributesMap = new HashMap<String, Object>();

Modified: qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/store/StorableMessageMetaData.java
URL: http://svn.apache.org/viewvc/qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/store/StorableMessageMetaData.java?rev=1565726&r1=1565725&r2=1565726&view=diff
==============================================================================
--- qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/store/StorableMessageMetaData.java (original)
+++ qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/store/StorableMessageMetaData.java Fri Feb  7 16:57:49 2014
@@ -29,7 +29,7 @@ public interface StorableMessageMetaData
 
     int getStorableSize();
 
-    int writeToBuffer(int offsetInMetaData, ByteBuffer dest);
+    int writeToBuffer(ByteBuffer dest);
 
     int getContentSize();
 

Modified: qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/store/Transaction.java
URL: http://svn.apache.org/viewvc/qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/store/Transaction.java?rev=1565726&r1=1565725&r2=1565726&view=diff
==============================================================================
--- qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/store/Transaction.java (original)
+++ qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/store/Transaction.java Fri Feb  7 16:57:49 2014
@@ -70,7 +70,7 @@ public interface Transaction
 
     public static interface Record
     {
-        TransactionLogResource getQueue();
+        TransactionLogResource getResource();
         EnqueueableMessage getMessage();
     }
 

Modified: qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/store/TransactionLogResource.java
URL: http://svn.apache.org/viewvc/qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/store/TransactionLogResource.java?rev=1565726&r1=1565725&r2=1565726&view=diff
==============================================================================
--- qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/store/TransactionLogResource.java (original)
+++ qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/store/TransactionLogResource.java Fri Feb  7 16:57:49 2014
@@ -24,5 +24,7 @@ import java.util.UUID;
 
 public interface TransactionLogResource
 {
+    String getName();
     public UUID getId();
+    boolean isDurable();
 }

Modified: qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/txn/AsyncAutoCommitTransaction.java
URL: http://svn.apache.org/viewvc/qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/txn/AsyncAutoCommitTransaction.java?rev=1565726&r1=1565725&r2=1565726&view=diff
==============================================================================
--- qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/txn/AsyncAutoCommitTransaction.java (original)
+++ qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/txn/AsyncAutoCommitTransaction.java Fri Feb  7 16:57:49 2014
@@ -25,12 +25,14 @@ import org.apache.log4j.Logger;
 import org.apache.qpid.AMQException;
 import org.apache.qpid.AMQStoreException;
 import org.apache.qpid.server.message.EnqueueableMessage;
+import org.apache.qpid.server.message.MessageInstance;
 import org.apache.qpid.server.message.ServerMessage;
 import org.apache.qpid.server.queue.BaseQueue;
 import org.apache.qpid.server.queue.QueueEntry;
 import org.apache.qpid.server.store.MessageStore;
 import org.apache.qpid.server.store.StoreFuture;
 import org.apache.qpid.server.store.Transaction;
+import org.apache.qpid.server.store.TransactionLogResource;
 
 import java.util.Collection;
 import java.util.List;
@@ -88,7 +90,7 @@ public class AsyncAutoCommitTransaction 
 
     }
 
-    public void dequeue(BaseQueue queue, EnqueueableMessage message, Action postTransactionAction)
+    public void dequeue(TransactionLogResource queue, EnqueueableMessage message, Action postTransactionAction)
     {
         Transaction txn = null;
         try
@@ -158,15 +160,15 @@ public class AsyncAutoCommitTransaction 
         }
     }
 
-    public void dequeue(Collection<QueueEntry> queueEntries, Action postTransactionAction)
+    public void dequeue(Collection<MessageInstance> queueEntries, Action postTransactionAction)
     {
         Transaction txn = null;
         try
         {
-            for(QueueEntry entry : queueEntries)
+            for(MessageInstance entry : queueEntries)
             {
                 ServerMessage message = entry.getMessage();
-                BaseQueue queue = entry.getQueue();
+                TransactionLogResource queue = entry.getOwningResource();
 
                 if(message.isPersistent() && queue.isDurable())
                 {
@@ -210,7 +212,7 @@ public class AsyncAutoCommitTransaction 
     }
 
 
-    public void enqueue(BaseQueue queue, EnqueueableMessage message, Action postTransactionAction)
+    public void enqueue(TransactionLogResource queue, EnqueueableMessage message, Action postTransactionAction)
     {
         Transaction txn = null;
         try

Modified: qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/txn/AutoCommitTransaction.java
URL: http://svn.apache.org/viewvc/qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/txn/AutoCommitTransaction.java?rev=1565726&r1=1565725&r2=1565726&view=diff
==============================================================================
--- qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/txn/AutoCommitTransaction.java (original)
+++ qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/txn/AutoCommitTransaction.java Fri Feb  7 16:57:49 2014
@@ -25,11 +25,13 @@ import org.apache.log4j.Logger;
 import org.apache.qpid.AMQException;
 import org.apache.qpid.AMQStoreException;
 import org.apache.qpid.server.message.EnqueueableMessage;
+import org.apache.qpid.server.message.MessageInstance;
 import org.apache.qpid.server.message.ServerMessage;
 import org.apache.qpid.server.queue.BaseQueue;
 import org.apache.qpid.server.queue.QueueEntry;
 import org.apache.qpid.server.store.MessageStore;
 import org.apache.qpid.server.store.Transaction;
+import org.apache.qpid.server.store.TransactionLogResource;
 
 import java.util.Collection;
 import java.util.List;
@@ -73,7 +75,7 @@ public class AutoCommitTransaction imple
         immediateAction.postCommit();
     }
 
-    public void dequeue(BaseQueue queue, EnqueueableMessage message, Action postTransactionAction)
+    public void dequeue(TransactionLogResource queue, EnqueueableMessage message, Action postTransactionAction)
     {
         Transaction txn = null;
         try
@@ -105,15 +107,15 @@ public class AutoCommitTransaction imple
 
     }
 
-    public void dequeue(Collection<QueueEntry> queueEntries, Action postTransactionAction)
+    public void dequeue(Collection<MessageInstance> queueEntries, Action postTransactionAction)
     {
         Transaction txn = null;
         try
         {
-            for(QueueEntry entry : queueEntries)
+            for(MessageInstance entry : queueEntries)
             {
                 ServerMessage message = entry.getMessage();
-                BaseQueue queue = entry.getQueue();
+                TransactionLogResource queue = entry.getOwningResource();
 
                 if(message.isPersistent() && queue.isDurable())
                 {
@@ -152,7 +154,7 @@ public class AutoCommitTransaction imple
     }
 
 
-    public void enqueue(BaseQueue queue, EnqueueableMessage message, Action postTransactionAction)
+    public void enqueue(TransactionLogResource queue, EnqueueableMessage message, Action postTransactionAction)
     {
         Transaction txn = null;
         try

Modified: qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/txn/DistributedTransaction.java
URL: http://svn.apache.org/viewvc/qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/txn/DistributedTransaction.java?rev=1565726&r1=1565725&r2=1565726&view=diff
==============================================================================
--- qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/txn/DistributedTransaction.java (original)
+++ qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/txn/DistributedTransaction.java Fri Feb  7 16:57:49 2014
@@ -22,10 +22,12 @@
 package org.apache.qpid.server.txn;
 
 import org.apache.qpid.server.message.EnqueueableMessage;
+import org.apache.qpid.server.message.MessageInstance;
 import org.apache.qpid.server.protocol.AMQSessionModel;
 import org.apache.qpid.server.queue.BaseQueue;
 import org.apache.qpid.server.queue.QueueEntry;
 import org.apache.qpid.server.store.MessageStore;
+import org.apache.qpid.server.store.TransactionLogResource;
 import org.apache.qpid.server.virtualhost.VirtualHost;
 import org.apache.qpid.transport.Xid;
 
@@ -74,7 +76,7 @@ public class DistributedTransaction impl
         }
     }
 
-    public void dequeue(BaseQueue queue, EnqueueableMessage message, Action postTransactionAction)
+    public void dequeue(TransactionLogResource queue, EnqueueableMessage message, Action postTransactionAction)
     {
         if(_branch != null)
         {
@@ -87,13 +89,13 @@ public class DistributedTransaction impl
         }
     }
 
-    public void dequeue(Collection<QueueEntry> messages, Action postTransactionAction)
+    public void dequeue(Collection<MessageInstance> messages, Action postTransactionAction)
     {
         if(_branch != null)
         {
-            for(QueueEntry entry : messages)
+            for(MessageInstance entry : messages)
             {
-                _branch.dequeue(entry.getQueue(), entry.getMessage());
+                _branch.dequeue(entry.getOwningResource(), entry.getMessage());
             }
             _branch.addPostTransactionAction(postTransactionAction);
         }
@@ -103,7 +105,7 @@ public class DistributedTransaction impl
         }
     }
 
-    public void enqueue(BaseQueue queue, EnqueueableMessage message, Action postTransactionAction)
+    public void enqueue(TransactionLogResource queue, EnqueueableMessage message, Action postTransactionAction)
     {
         if(_branch != null)
         {

Modified: qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/txn/DtxBranch.java
URL: http://svn.apache.org/viewvc/qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/txn/DtxBranch.java?rev=1565726&r1=1565725&r2=1565726&view=diff
==============================================================================
--- qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/txn/DtxBranch.java (original)
+++ qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/txn/DtxBranch.java Fri Feb  7 16:57:49 2014
@@ -34,6 +34,7 @@ import org.apache.qpid.server.protocol.A
 import org.apache.qpid.server.queue.BaseQueue;
 import org.apache.qpid.server.store.MessageStore;
 import org.apache.qpid.server.store.Transaction;
+import org.apache.qpid.server.store.TransactionLogResource;
 import org.apache.qpid.server.virtualhost.VirtualHost;
 import org.apache.qpid.transport.Xid;
 
@@ -335,7 +336,7 @@ public class DtxBranch
         {
             if(enqueue.isDurable())
             {
-                _transaction.enqueueMessage(enqueue.getQueue(), enqueue.getMessage());
+                _transaction.enqueueMessage(enqueue.getResource(), enqueue.getMessage());
             }
         }
 
@@ -344,7 +345,7 @@ public class DtxBranch
         {
             if(enqueue.isDurable())
             {
-                _transaction.dequeueMessage(enqueue.getQueue(), enqueue.getMessage());
+                _transaction.dequeueMessage(enqueue.getResource(), enqueue.getMessage());
             }
         }
     }
@@ -356,31 +357,31 @@ public class DtxBranch
     }
 
 
-    public void dequeue(BaseQueue queue, EnqueueableMessage message)
+    public void dequeue(TransactionLogResource resource, EnqueueableMessage message)
     {
-        _dequeueRecords.add(new Record(queue, message));
+        _dequeueRecords.add(new Record(resource, message));
     }
 
 
-    public void enqueue(BaseQueue queue, EnqueueableMessage message)
+    public void enqueue(TransactionLogResource queue, EnqueueableMessage message)
     {
         _enqueueRecords.add(new Record(queue, message));
     }
 
     private static final class Record implements Transaction.Record
     {
-        private final BaseQueue _queue;
+        private final TransactionLogResource _resource;
         private final EnqueueableMessage _message;
 
-        public Record(BaseQueue queue, EnqueueableMessage message)
+        public Record(TransactionLogResource resource, EnqueueableMessage message)
         {
-            _queue = queue;
+            _resource = resource;
             _message = message;
         }
 
-        public BaseQueue getQueue()
+        public TransactionLogResource getResource()
         {
-            return _queue;
+            return _resource;
         }
 
         public EnqueueableMessage getMessage()
@@ -390,7 +391,7 @@ public class DtxBranch
 
         public boolean isDurable()
         {
-            return _message.isPersistent() && _queue.isDurable();
+            return _message.isPersistent() && _resource.isDurable();
         }
     }
 

Modified: qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/txn/LocalTransaction.java
URL: http://svn.apache.org/viewvc/qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/txn/LocalTransaction.java?rev=1565726&r1=1565725&r2=1565726&view=diff
==============================================================================
--- qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/txn/LocalTransaction.java (original)
+++ qpid/trunk/qpid/java/broker-core/src/main/java/org/apache/qpid/server/txn/LocalTransaction.java Fri Feb  7 16:57:49 2014
@@ -21,7 +21,9 @@
 package org.apache.qpid.server.txn;
 
 import org.apache.qpid.server.message.EnqueueableMessage;
+import org.apache.qpid.server.message.MessageInstance;
 import org.apache.qpid.server.store.StoreFuture;
+import org.apache.qpid.server.store.TransactionLogResource;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -91,7 +93,7 @@ public class LocalTransaction implements
         _postTransactionActions.add(postTransactionAction);
     }
 
-    public void dequeue(BaseQueue queue, EnqueueableMessage message, Action postTransactionAction)
+    public void dequeue(TransactionLogResource queue, EnqueueableMessage message, Action postTransactionAction)
     {
         sync();
         _postTransactionActions.add(postTransactionAction);
@@ -118,7 +120,7 @@ public class LocalTransaction implements
         }
     }
 
-    public void dequeue(Collection<QueueEntry> queueEntries, Action postTransactionAction)
+    public void dequeue(Collection<MessageInstance> queueEntries, Action postTransactionAction)
     {
         sync();
         _postTransactionActions.add(postTransactionAction);
@@ -126,10 +128,10 @@ public class LocalTransaction implements
 
         try
         {
-            for(QueueEntry entry : queueEntries)
+            for(MessageInstance entry : queueEntries)
             {
                 ServerMessage message = entry.getMessage();
-                BaseQueue queue = entry.getQueue();
+                TransactionLogResource queue = entry.getOwningResource();
 
                 if(message.isPersistent() && queue.isDurable())
                 {
@@ -195,7 +197,7 @@ public class LocalTransaction implements
         }
     }
 
-    public void enqueue(BaseQueue queue, EnqueueableMessage message, Action postTransactionAction)
+    public void enqueue(TransactionLogResource queue, EnqueueableMessage message, Action postTransactionAction)
     {
         sync();
         _postTransactionActions.add(postTransactionAction);



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