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dindexer/include/backends/db_backend.hpp
King_DuckZ 7a3438def6 Fix namespaces.
Build works, except for incredis which I'm going to move out anyways.
2016-07-14 16:02:15 +01:00

91 lines
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C++

/* Copyright 2015, 2016, Michele Santullo
* This file is part of "dindexer".
*
* "dindexer" 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.
*
* "dindexer" 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 "dindexer". If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef id7506CA9825454B80856154ACFE8A9DE2
#define id7506CA9825454B80856154ACFE8A9DE2
#include "backends/backend_loader.hpp"
#include "duckhandy/MaxSizedArray.hpp"
#include <cstdint>
#include <string>
#include <vector>
#include <boost/utility/string_ref.hpp>
#include <map>
#include <functional>
namespace mchlib {
struct TigerHash;
struct FileRecordData;
struct SetRecordDataFull;
} //namespace mchlib
namespace dindb {
using GroupIDType = uint32_t;
using FileIDType = uint64_t;
using IDDescMap = std::map<uint32_t, std::string>;
using ConfirmDeleCallback = std::function<bool(const IDDescMap&)>;
using TagList = std::vector<boost::string_ref>;
constexpr const GroupIDType InvalidGroupID = 0;
constexpr const FileIDType InvalidFileID = 0;
struct LocatedItem {
std::string path;
FileIDType id;
GroupIDType group_id;
};
struct LocatedSet {
std::string desc;
GroupIDType id;
uint32_t files_count;
uint32_t dir_count;
};
class Backend {
public:
Backend ( void ) = default;
virtual ~Backend ( void ) noexcept = default;
virtual void connect ( void ) = 0;
virtual void disconnect ( void ) = 0;
virtual void tag_files ( const std::vector<FileIDType>& parFiles, const std::vector<boost::string_ref>& parTags, GroupIDType parSet ) = 0;
virtual void tag_files ( const std::vector<std::string>& parRegexes, const std::vector<boost::string_ref>& parTags, GroupIDType parSet ) = 0;
virtual void delete_tags ( const std::vector<FileIDType>& parFiles, const std::vector<boost::string_ref>& parTags, GroupIDType parSet ) = 0;
virtual void delete_tags ( const std::vector<std::string>& parRegexes, const std::vector<boost::string_ref>& parTags, GroupIDType parSet ) = 0;
virtual void delete_all_tags ( const std::vector<FileIDType>& parFiles, GroupIDType parSet ) = 0;
virtual void delete_all_tags ( const std::vector<std::string>& parRegexes, GroupIDType parSet ) = 0;
virtual void delete_group ( const std::vector<uint32_t>& parIDs, ConfirmDeleCallback parConf ) = 0;
virtual void write_files ( const std::vector<mchlib::FileRecordData>& parData, const mchlib::SetRecordDataFull& parSetData, const std::string& parSignature ) = 0;
virtual bool search_file_by_hash ( mchlib::FileRecordData& parItem, mchlib::SetRecordDataFull& parSet, const mchlib::TigerHash& parHash ) = 0;
virtual std::vector<LocatedItem> locate_in_db ( const std::string& parSearch, const TagList& parTags ) = 0;
virtual std::vector<LocatedItem> locate_in_db ( const mchlib::TigerHash& parSearch, const TagList& parTags ) = 0;
virtual std::vector<LocatedSet> locate_sets_in_db ( const std::string& parSearch, bool parCaseInsensitive ) = 0;
virtual std::vector<LocatedSet> locate_sets_in_db ( const std::string& parSearch, const std::vector<GroupIDType>& parSets, bool parCaseInsensitive ) = 0;
virtual std::vector<GroupIDType> find_all_sets ( void ) = 0;
virtual std::vector<dhandy::MaxSizedArray<std::string, 4>> find_set_details ( const std::vector<GroupIDType>& parSets ) = 0;
virtual std::vector<dhandy::MaxSizedArray<std::string, 1>> find_file_details ( GroupIDType parSetID, uint16_t parLevel, boost::string_ref parDir ) = 0;
virtual std::vector<std::string> find_paths_starting_by ( GroupIDType parGroupID, uint16_t parLevel, boost::string_ref parPath ) = 0;
};
} //namespace dindb
#endif