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diff --git a/cpp/src/qpid/broker/amqp_0_10/MessageTransfer.h b/cpp/src/qpid/broker/amqp_0_10/MessageTransfer.h
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+#ifndef QPID_BROKER_AMQP_0_10_MESSAGETRANSFER_H
+#define QPID_BROKER_AMQP_0_10_MESSAGETRANSFER_H
+
+/*
+ *
+ * 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.
+ *
+ */
+#include "qpid/broker/BrokerImportExport.h"
+#include "qpid/framing/FrameSet.h"
+#include "qpid/broker/Message.h"
+#include "qpid/broker/PersistableMessage.h"
+#include "qpid/types/Variant.h"
+
+namespace qpid {
+namespace broker {
+class Queue;
+namespace amqp_0_10 {
+
+/**
+ *
+ */
+class MessageTransfer : public qpid::broker::Message::Encoding, public qpid::broker::PersistableMessage
+{
+ public:
+ QPID_BROKER_EXTERN MessageTransfer();
+ QPID_BROKER_EXTERN MessageTransfer(const qpid::framing::SequenceNumber&);
+
+ std::string getRoutingKey() const;
+ bool isPersistent() const;
+ uint8_t getPriority() const;
+ uint64_t getContentSize() const;
+ std::string getPropertyAsString(const std::string& key) const;
+ std::string getAnnotationAsString(const std::string& key) const;
+ bool getTtl(uint64_t&) const;
+ bool hasExpiration() const;
+ std::string getExchangeName() const;
+ void processProperties(MapHandler&) const;
+ std::string getUserId() const;
+
+ bool requiresAccept() const;
+ const qpid::framing::SequenceNumber& getCommandId() const;
+ QPID_BROKER_EXTERN qpid::framing::FrameSet& getFrames();
+ QPID_BROKER_EXTERN const qpid::framing::FrameSet& getFrames() const;
+
+ template <class T> const T* getProperties() const {
+ const qpid::framing::AMQHeaderBody* p = frames.getHeaders();
+ return p->get<T>();
+ }
+
+ template <class T> const T* hasProperties() const {
+ const qpid::framing::AMQHeaderBody* p = frames.getHeaders();
+ return p->get<T>();
+ }
+ template <class T> const T* getMethod() const {
+ return frames.as<T>();
+ }
+
+ template <class T> T* getMethod() {
+ return frames.as<T>();
+ }
+
+ template <class T> bool isA() const {
+ return frames.isA<T>();
+ }
+
+ template <class T> void eraseProperties() {
+ qpid::framing::AMQHeaderBody* p = frames.getHeaders();
+ p->erase<T>();
+ }
+ std::string getContent() const;
+ uint32_t getRequiredCredit() const;
+ void computeRequiredCredit();
+
+ void clearApplicationHeadersFlag();
+ void sendContent(framing::FrameHandler& out, uint16_t maxFrameSize) const;
+ void sendHeader(framing::FrameHandler& out, uint16_t maxFrameSize, bool redelivered, uint64_t ttl, uint64_t timestamp, const qpid::types::Variant::Map& annotations) const;
+
+ void decodeHeader(framing::Buffer& buffer);
+ void decodeContent(framing::Buffer& buffer);
+
+ void encode(framing::Buffer& buffer) const;
+ uint32_t encodedSize() const;
+
+ /**
+ * @returns the size of the buffer needed to encode the
+ * 'header' of this message (not just the header frame,
+ * but other meta data e.g.routing key and exchange)
+ */
+ uint32_t encodedHeaderSize() const;
+ boost::intrusive_ptr<PersistableMessage> merge(const std::map<std::string, qpid::types::Variant>& annotations) const;
+
+ QPID_BROKER_EXTERN bool isQMFv2() const;
+ QPID_BROKER_EXTERN bool isLastQMFResponse(const std::string correlation) const;
+
+ static bool isImmediateDeliveryRequired(const qpid::broker::Message& message);
+ static uint32_t getRequiredCredit(const qpid::broker::Message&);
+ static MessageTransfer& get(qpid::broker::Message& message) {
+ return *dynamic_cast<MessageTransfer*>(&message.getEncoding());
+ }
+ static const MessageTransfer& get(const qpid::broker::Message& message) {
+ return *dynamic_cast<const MessageTransfer*>(&message.getEncoding());
+ }
+ QPID_BROKER_EXTERN static bool isQMFv2(const qpid::broker::Message& message);
+ QPID_BROKER_EXTERN static bool isLastQMFResponse(const qpid::broker::Message& message, const std::string correlation);
+ private:
+ qpid::framing::FrameSet frames;
+ uint32_t requiredCredit;
+ bool cachedRequiredCredit;
+
+ MessageTransfer(const qpid::framing::FrameSet&);
+ void encodeHeader(framing::Buffer& buffer) const;
+ uint32_t encodedContentSize() const;
+ void encodeContent(framing::Buffer& buffer) const;
+};
+}}} // namespace qpid::broker::amqp_0_10
+
+#endif /*!QPID_BROKER_AMQP_0_10_MESSAGETRANSFER_H*/