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#ifndef QPID_FRAMING_METHODBODYHOLDER_H
#define QPID_FRAMING_METHODBODYHOLDER_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/framing/method_variants.h"
#include <boost/type_traits/has_nothrow_copy.hpp>
namespace qpid {
namespace framing {
class AMQMethodBody;
/**
* Holder for arbitrary method body.
*/
class MethodHolder
{
public:
MethodHolder() {}
MethodHolder(const MethodVariant& mv) : method(mv) {}
/** Construct from a concrete method body type.
* ClassVariant<T>::value is the containing class variant.
*/
template <class T>
MethodHolder(const T& t)
: method(typename ClassVariant<T>::value(t)) {}
/** Construct from class/method ID, set the method accordingly. */
MethodHolder(ClassId, MethodId);
/** Set the method to the type corresponding to ClassId, MethodId */
void setMethod(ClassId, MethodId);
AMQMethodBody* getMethod();
const AMQMethodBody* getMethod() const;
MethodVariant method;
void encode(Buffer&) const;
void decode(Buffer&);
uint32_t size() const;
};
inline std::ostream& operator<<(std::ostream& out, const MethodHolder& h) {
return out << h.method;
}
}} // namespace qpid::framing
namespace boost {
template<> struct has_nothrow_copy<qpid::framing::MethodHolder>
: public boost::true_type {};
}
#endif /*!QPID_FRAMING_METHODBODYHOLDER_H*/
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