|
/*
|
|
* Copyright (C) 2015 Christian Ehringfeld <c.ehringfeld@t-online.de>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU Lesser 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 Lesser General Public License
|
|
* along with this program; if not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#ifndef CACHE_H
|
|
#define CACHE_H
|
|
#include <QHash>
|
|
#include <QWeakPointer>
|
|
#include <QSharedPointer>
|
|
#include "entityinstancefactory.h"
|
|
#include "entity.h"
|
|
#include "entityhelper.h"
|
|
|
|
namespace CuteEntityManager {
|
|
class Entity;
|
|
class Cache {
|
|
public:
|
|
Cache();
|
|
QHash<QString, QWeakPointer<Entity> > getCache() const;
|
|
bool contains(qint64 id, const QString &classname);
|
|
bool contains(const QString &key);
|
|
template<class T> bool contains(qint64 id) {
|
|
bool ok = false;
|
|
Entity *e = EntityInstanceFactory::createInstance<T>();
|
|
if (e) {
|
|
ok = this->contains(id, QString(EntityHelper::getClassname(e)));
|
|
delete e;
|
|
}
|
|
return ok;
|
|
}
|
|
void insert(QSharedPointer<Entity> &entity);
|
|
void remove(const QSharedPointer<Entity> &entity);
|
|
void remove(const qint64 &id, const QString &classname);
|
|
template<class T> void remove(qint64 id) {
|
|
Entity *e = EntityInstanceFactory::createInstance<T>();
|
|
if (e) {
|
|
this->remove(id, QString(EntityHelper::getClassname(e)));
|
|
delete e;
|
|
}
|
|
}
|
|
|
|
QSharedPointer<Entity> get(qint64 id, const QString &classname);
|
|
template<class T> QSharedPointer<Entity> get(qint64 id) {
|
|
Entity *e = EntityInstanceFactory::createInstance<T>();
|
|
if (e) {
|
|
return this->get(id, QString(EntityHelper::getClassname(e)));
|
|
delete e;
|
|
}
|
|
return QSharedPointer<Entity>();
|
|
}
|
|
|
|
protected:
|
|
QString generateKey(qint64 id, const QString &classname) const;
|
|
private:
|
|
QHash<QString, QWeakPointer<Entity>> cache;
|
|
};
|
|
}
|
|
|
|
#endif // CACHE_H
|