DBFactory.h

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/*
    This file is part of cpp-ethereum.

    cpp-ethereum 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 3 of the License, or
    (at your option) any later version.

    cpp-ethereum 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 cpp-ethereum.  If not, see <http://www.gnu.org/licenses/>.
*/

#pragma once

#include "Common.h"
#include "db.h"

#include <boost/filesystem.hpp>
#include <boost/program_options/options_description.hpp>

namespace dev
{
namespace db
{
enum class DatabaseKind
{
    LevelDB,
    RocksDB,
    MemoryDB
};

boost::program_options::options_description databaseProgramOptions(
    unsigned _lineLength = boost::program_options::options_description::m_default_line_length);

bool isDiskDatabase();
DatabaseKind databaseKind();
void setDatabaseKindByName(std::string const& _name);
void setDatabaseKind(DatabaseKind _kind);
boost::filesystem::path databasePath();

class DBFactory
{
public:
    DBFactory() = delete;
    ~DBFactory() = delete;

    static std::unique_ptr<DatabaseFace> create();
    static std::unique_ptr<DatabaseFace> create(boost::filesystem::path const& _path);
    static std::unique_ptr<DatabaseFace> create(DatabaseKind _kind);
    static std::unique_ptr<DatabaseFace> create(
        DatabaseKind _kind, boost::filesystem::path const& _path);

private:
};
}  // namespace db
}  // namespace dev