cachecleaner.h

/*
    SPDX-FileCopyrightText: 2007 Volker Krause <[email protected]>

    SPDX-License-Identifier: LGPL-2.0-or-later
*/

#ifndef AKONADI_CACHECLEANER_H
#define AKONADI_CACHECLEANER_H

#include "collectionscheduler.h"

#include <QMutex>

namespace Akonadi
{
namespace Server
{

class Collection;
class CacheCleaner;
class AkonadiServer;

class CacheCleanerInhibitor
{
public:
    explicit CacheCleanerInhibitor(AkonadiServer &akonadi, bool inhibit = true);
    ~CacheCleanerInhibitor();

    void inhibit();
    void uninhibit();

private:
    Q_DISABLE_COPY(CacheCleanerInhibitor)
    static QMutex sLock;
    static int sInhibitCount;

    CacheCleaner *mCleaner = nullptr;
    bool mInhibited = false;
};

class CacheCleaner : public CollectionScheduler
{
    Q_OBJECT

public:
    explicit CacheCleaner(QObject *parent = nullptr);
    ~CacheCleaner() override;

protected:
    void collectionExpired(const Collection &collection) override;
    int collectionScheduleInterval(const Collection &collection) override;
    bool hasChanged(const Collection &collection, const Collection &changed) override;
    bool shouldScheduleCollection(const Collection &collection) override;

private:
    friend class CacheCleanerInhibitor;

};

} // namespace Server
} // namespace Akonadi

#endif