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asynctaskpipeline.h
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asynctaskpipeline.h
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/*
* This file is part of the PathWalker software
*
* Copyright (C) 2014 Denis Kvita <[email protected]>
*
* 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:https://www.gnu.org/licenses/>.
*/
#ifndef ASYNCTASKPIPELINE_H
#define ASYNCTASKPIPELINE_H
#include <QObject>
#include <QThread>
#include <QMutex>
#include "entityinstance.h"
#include "task.h"
namespace TaskWorkerState {
enum State{
Idle=0
,Busy
,Wait
};
}
class TaskWorker : public QObject
{
Q_OBJECT
signals:
void done(EntityInstance task);
void stateChanged(int value);
public slots:
void work(QMutex *aCancel, EntityInstance task, EntityInstance result);
};
class AsyncTaskPipeline : public QObject
{
Q_OBJECT
QThread aThread;
TaskWorker *aWorker;
public:
explicit AsyncTaskPipeline(QObject *parent = 0);
~AsyncTaskPipeline();
signals:
void invokeWorker(QMutex *aCancel, EntityInstance task);
void done(EntityInstance task, bool canceled);
public slots:
void cancel();
void schedule(EntityInstance task);
protected slots:
void onWorkerDone(EntityInstance task);
void onWorkerStateChanged(int value);
private:
EntityInstanceList aQueueList;
int aWorkerState;
QMutex aWorkerCancel;
QMutex aMtx;
};
#endif // ASYNCTASKPIPELINE_H