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/*
* Copyright (C) by Hannah von Reth <hannah.vonreth@owncloud.com>
*
* 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 2 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.
*/
#pragma once
#include "owncloudlib.h"
#include <QPointer>
#include <vector>
namespace OCC {
class AbstractNetworkJob;
class Account;
class OWNCLOUDSYNC_EXPORT JobQueue
{
public:
JobQueue(Account *account);
/**
* whether jobs need to be enqued
*/
bool isBlocked() const;
/**
* Retry a job if the job allows it,
* if blocked the job will be queued untill we are unblocked
* Returns whether the job will be retired
*/
bool retry(AbstractNetworkJob *job);
/**
* Enque if blocked
* Returns whether the job was enqueued
*/
bool enqueue(AbstractNetworkJob *job);
size_t size() const;
private:
void block();
void unblock();
/**
* Clear the queue and abort all jobs
*/
void clear();
Account *_account;
uint _blocked = 0;
std::vector<QPointer<AbstractNetworkJob>> _jobs;
friend class JobQueueGuard;
};
class OWNCLOUDSYNC_EXPORT JobQueueGuard
{
public:
JobQueueGuard(JobQueue *queue);
~JobQueueGuard();
bool block();
bool unblock();
bool clear();
JobQueue *queue() const;
private:
JobQueue *_queue;
bool _blocked = false;
};
}
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