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forked from blue/squawk
squawk/core/storage/cache.h

56 lines
1.3 KiB
C++

// Squawk messenger.
// Copyright (C) 2019 Yury Gubich <blue@macaw.me>
//
// This program 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.
//
// 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, see <http://www.gnu.org/licenses/>.
#ifndef CORE_CACHE_H
#define CORE_CACHE_H
#include <map>
#include <set>
#include <QString>
#include <core/storage/storage.h>
namespace Core {
template <class K, class V>
class Cache
{
public:
Cache(const QString& name);
~Cache();
void open();
void close();
void addRecord(const K& key, const V& value);
void changeRecord(const K& key, const V& value);
void removeRecord(const K& key);
V getRecord(const K& key) const;
bool checkRecord(const K& key) const;
private:
Core::Storage<K, V> storage;
std::map<K, V>* cache;
std::set<K>* abscent;
};
}
#include "cache.hpp"
#endif // CORE_CACHE_H