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-#ifndef QPID_AMQP_0_10_UNIT_H
-#define QPID_AMQP_0_10_UNIT_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/amqp_0_10/ControlHolder.h"
-#include "qpid/amqp_0_10/CommandHolder.h"
-#include "qpid/amqp_0_10/Header.h"
-#include "qpid/amqp_0_10/Body.h"
-#include "qpid/amqp_0_10/FrameHeader.h"
-
-#include <boost/variant.hpp>
-#include <ostream>
-
-namespace qpid {
-namespace amqp_0_10 {
-
-/**
- * A Unit contains a frame header and associated value.
- * For all types except BODY the frame header is for a complete segment.
- */
-class Unit {
- public:
- explicit Unit(const FrameHeader& h=FrameHeader()) : header(h) { updateVariant(); }
-
- /**
- *@param flags: is ORed with the required flags for type T.
- */
- template <class T>
- explicit Unit(const T& t, uint8_t flags=0) : variant(t) { updateHeader(flags); }
-
- void setHeader(FrameHeader& h) { header = h; updateVariant(); }
- const FrameHeader& getHeader() const { return header; }
-
- template<class T> const T* get() const { return boost::get<T>(&variant); }
- template<class T> T* get() { return boost::get<T>(&variant); }
- template<class T> Unit& operator=(const T& t) { variant=t; return *this; }
-
- template <class V> typename V::result_type applyVisitor(V& v) const {
- variant.apply_visitor(v);
- }
-
- template <class S> void serialize(S& s) { variant.apply_visitor(s); s.split(*this); }
- template <class S> void encode(S&) const {}
- template <class S> void decode(S&) { updateHeader(header.getFlags()); }
-
- private:
- typedef boost::variant<ControlHolder, CommandHolder, Header, Body> Variant;
-
- void updateHeader(uint8_t flags);
- void updateVariant();
-
- Variant variant;
- FrameHeader header;
-
- friend std::ostream& operator<<(std::ostream& o, const Unit& u);
-};
-
-std::ostream& operator<<(std::ostream& o, const Unit& u);
-
-}} // namespace qpid::amqp_0_10
-
-#endif /*!QPID_AMQP_0_10_UNIT_H*/