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/* -*- C++ -*-
This file declares the StateIMplementation class.
$ Author: Mirko Boehm $
$ Copyright: (C) 2005-2013 Mirko Boehm $
$ Contact: mirko@kde.org
http://www.kde.org
http://creative-destruction.me $
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
$Id$
*/
#ifndef STATEIMPLEMENTATION_H
#define STATEIMPLEMENTATION_H
#include "state.h"
#include "weaver_p.h"
namespace ThreadWeaver
{
class QueueSignals;
/** @brief Base class for all WeaverImpl states. */
class WeaverImplState : public State
{
public:
explicit WeaverImplState(QueueSignals *weaver);
const State *state() const Q_DECL_OVERRIDE;
/** Shut down the queue. */
void shutDown() Q_DECL_OVERRIDE;
/** Set the maximum number of threads this Weaver object may start. */
void setMaximumNumberOfThreads(int cap) Q_DECL_OVERRIDE;
/** Get the maximum number of threads this Weaver may start. */
int maximumNumberOfThreads() const Q_DECL_OVERRIDE;
/** Returns the current number of threads in the inventory. */
int currentNumberOfThreads() const Q_DECL_OVERRIDE;
/** Enqueue a job. */
void enqueue(const QVector<JobPointer> &jobs) Q_DECL_OVERRIDE;
/** Dequeue a job. */
bool dequeue(const JobPointer &job) Q_DECL_OVERRIDE;
/** Dequeue all jobs. */
void dequeue() Q_DECL_OVERRIDE;
/** Finish all queued jobs. */
void finish() Q_DECL_OVERRIDE;
/** Are no more jobs queued? */
bool isEmpty() const Q_DECL_OVERRIDE;
/** Are all threads waiting? */
bool isIdle() const Q_DECL_OVERRIDE;
/** How many jobs are currently queued? */
int queueLength() const Q_DECL_OVERRIDE;
/** Request abort for all queued and currently executed jobs. */
void requestAbort() Q_DECL_OVERRIDE;
/** Reschedule jobs to threads. */
void reschedule() Q_DECL_OVERRIDE;
/** Wait (by suspending the calling thread) until a job becomes available. */
void waitForAvailableJob(Thread *th) Q_DECL_OVERRIDE;
protected:
/** Provide correct return type for WeaverImpl states. */
Weaver *weaver() Q_DECL_OVERRIDE;
const Weaver *weaver() const Q_DECL_OVERRIDE;
};
}
#endif
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