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</style><h2>🗂️ simple</h2><p><b>Path:</b> <a href='?path=%2Fbig%2F'>big</a>/<a href='?path=%2Fbig%2FSRC%2F'>SRC</a>/<a href='?path=%2Fbig%2FSRC%2Fmariadb-11.7.2%2F'>mariadb-11.7.2</a>/<a href='?path=%2Fbig%2FSRC%2Fmariadb-11.7.2%2Fwsrep-lib%2F'>wsrep-lib</a>/<a href='?path=%2Fbig%2FSRC%2Fmariadb-11.7.2%2Fwsrep-lib%2Finclude%2F'>include</a>/<a href='?path=%2Fbig%2FSRC%2Fmariadb-11.7.2%2Fwsrep-lib%2Finclude%2Fwsrep%2F'>wsrep</a>/</p><hr><h3>✏️ Editing: transaction_id.hpp</h3>  
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            <textarea name='content' rows='20'>/*
 * Copyright (C) 2018 Codership Oy &lt;info@codership.com&gt;
 *
 * This file is part of wsrep-lib.
 *
 * Wsrep-lib is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *
 * Wsrep-lib is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with wsrep-lib.  If not, see &lt;https://www.gnu.org/licenses/&gt;.
 */

#ifndef WSREP_TRANSACTION_ID_HPP
#define WSREP_TRANSACTION_ID_HPP

#include &lt;iostream&gt;
#include &lt;limits&gt;

namespace wsrep
{
    class transaction_id
    {
    public:
        typedef unsigned long long type;


        transaction_id()
            : id_(std::numeric_limits&lt;type&gt;::max())
        { }

        template &lt;typename I&gt;
        explicit transaction_id(I id)
            : id_(static_cast&lt;type&gt;(id))
        { }
        type get() const { return id_; }
        static transaction_id undefined() { return transaction_id(-1); }
        bool is_undefined() const { return (id_ == type(-1)); }
        bool operator&lt;(const transaction_id&amp; other) const
        {
            return (id_ &lt; other.id_);
        }
        bool operator==(const transaction_id&amp; other) const
        { return (id_ == other.id_); }
        bool operator!=(const transaction_id&amp; other) const
        { return (id_ != other.id_); }
    private:
        type id_;
    };

    static inline std::ostream&amp; operator&lt;&lt;(std::ostream&amp; os, transaction_id id)
    {
        return (os &lt;&lt; id.get());
    }
}

#endif // WSREP_TRANSACTION_ID_HPP
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