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+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+#ifndef _TxPublish_
+#define _TxPublish_
+
+#include "qpid/broker/BrokerImportExport.h"
+#include "qpid/broker/Deliverable.h"
+#include "qpid/broker/Message.h"
+#include "qpid/broker/MessageStore.h"
+#include "qpid/broker/TxOp.h"
+
+#include <algorithm>
+#include <functional>
+#include <list>
+
+#include <boost/intrusive_ptr.hpp>
+
+namespace qpid {
+ namespace broker {
+ /**
+ * Defines the behaviour for publish operations on a
+ * transactional channel. Messages are routed through
+ * exchanges when received but are not at that stage delivered
+ * to the matching queues, rather the queues are held in an
+ * instance of this class. On prepare() the message is marked
+ * enqueued to the relevant queues in the MessagesStore. On
+ * commit() the messages will be passed to the queue for
+ * dispatch or to be added to the in-memory queue.
+ */
+ class QPID_BROKER_CLASS_EXTERN TxPublish : public TxOp, public Deliverable{
+
+ class Commit{
+ boost::intrusive_ptr<Message>& msg;
+ public:
+ Commit(boost::intrusive_ptr<Message>& msg);
+ void operator()(const boost::shared_ptr<Queue>& queue);
+ };
+ class Rollback{
+ boost::intrusive_ptr<Message>& msg;
+ public:
+ Rollback(boost::intrusive_ptr<Message>& msg);
+ void operator()(const boost::shared_ptr<Queue>& queue);
+ };
+
+ boost::intrusive_ptr<Message> msg;
+ std::list<boost::shared_ptr<Queue> > queues;
+ std::list<boost::shared_ptr<Queue> > prepared;
+
+ void prepare(TransactionContext* ctxt, boost::shared_ptr<Queue>);
+
+ public:
+ QPID_BROKER_EXTERN TxPublish(boost::intrusive_ptr<Message> msg);
+ QPID_BROKER_EXTERN virtual bool prepare(TransactionContext* ctxt) throw();
+ QPID_BROKER_EXTERN virtual void commit() throw();
+ QPID_BROKER_EXTERN virtual void rollback() throw();
+
+ virtual Message& getMessage() { return *msg; };
+
+ QPID_BROKER_EXTERN virtual void deliverTo(const boost::shared_ptr<Queue>& queue);
+
+ virtual ~TxPublish(){}
+ virtual void accept(TxOpConstVisitor& visitor) const { visitor(*this); }
+
+ QPID_BROKER_EXTERN uint64_t contentSize();
+
+ boost::intrusive_ptr<Message> getMessage() const { return msg; }
+ const std::list<boost::shared_ptr<Queue> > getQueues() const { return queues; }
+ };
+ }
+}
+
+
+#endif