#ifndef QPID_AMQP_MESSAGEID_H
#define QPID_AMQP_MESSAGEID_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/CharSequence.h"
#include "qpid/types/Variant.h"
#include "qpid/CommonImportExport.h"

namespace qpid {
namespace amqp {

struct MessageId
{
    union
    {
        qpid::amqp::CharSequence bytes;
        uint64_t ulong;
    } value;
    enum
    {
        BYTES,
        UUID,
        ULONG
    } type;

    QPID_COMMON_EXTERN MessageId();
    QPID_COMMON_EXTERN void assign(std::string&) const;
    QPID_COMMON_EXTERN void set(qpid::amqp::CharSequence bytes, qpid::types::VariantType t);
    QPID_COMMON_EXTERN void set(uint64_t ulong);

};

}} // namespace qpid::amqp

#endif  /*!QPID_AMQP_MESSAGEID_H*/