Holder.h

/*
 * Copyright (c) [2014-2015] Novell, Inc.
 * Copyright (c) [2017-2020] SUSE LLC
 *
 * All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as published
 * by the Free Software Foundation.
 *
 * This program 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 this program; if not, contact Novell, Inc.
 *
 * To contact Novell about this file by physical or electronic mail, you may
 * find current contact information at www.novell.com.
 */
 
 
#ifndef STORAGE_HOLDER_H
#define STORAGE_HOLDER_H
 
 
#include <libxml/tree.h>
#include <memory>
#include <boost/noncopyable.hpp>
 
#include "storage/Devices/Device.h"
#include "storage/Utils/Swig.h"
 
 
namespace storage
{
    class Devicegraph;
    class Device;
 
 
    class HolderHasWrongType : public Exception
    {
    public:
 
        HolderHasWrongType(const char* seen, const char* expected);
    };
 
 
    class Holder : private boost::noncopyable
    {
    public:
 
        virtual ~Holder();
 
        Device* get_source();
 
        const Device* get_source() const;
 
        sid_t get_source_sid() const;
 
        Device* get_target();
 
        const Device* get_target() const;
 
        sid_t get_target_sid() const;
 
        bool operator==(const Holder& rhs) const;
        bool operator!=(const Holder& rhs) const;
 
        Holder* copy_to_devicegraph(Devicegraph* devicegraph) const;
 
        bool exists_in_devicegraph(const Devicegraph* devicegraph) const;
 
        bool exists_in_probed() const;
 
        bool exists_in_staging() const;
 
        bool exists_in_system() const;
 
        const std::map<std::string, std::string>& get_userdata() const;
 
        void set_userdata(const std::map<std::string, std::string>& userdata);
 
        friend std::ostream& operator<<(std::ostream& out, const Holder& holder);
 
    public:
 
        class Impl;
 
        Impl& get_impl() { return *impl; }
        const Impl& get_impl() const { return *impl; }
 
        virtual Holder* clone() const = 0;
 
        void save(xmlNode* node) const ST_DEPRECATED;
 
    protected:
 
        Holder(Impl* impl);
 
        void create(Devicegraph* devicegraph, const Device* source, const Device* target);
 
        void load(Devicegraph* devicegraph, const xmlNode* node);
 
    private:
 
        void add_to_devicegraph(Devicegraph* devicegraph, const Device* source,
                                const Device* target);
 
        const std::unique_ptr<Impl> impl;
 
    };
 
}
 
#endif