mirror of
https://bitbucket.org/smil3y/kdelibs.git
synced 2025-02-24 02:42:48 +00:00
104 lines
2.4 KiB
C++
104 lines
2.4 KiB
C++
/* -*- C++ -*-
|
|
|
|
This file implements the ResourceRestrictionPolicy class.
|
|
|
|
$ Author: Mirko Boehm $
|
|
$ Copyright: (C) 2004-2013 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: Job.h 32 2005-08-17 08:38:01Z mirko $
|
|
*/
|
|
|
|
#include "ResourceRestrictionPolicy.h"
|
|
|
|
#include <QtCore/QList>
|
|
#include <QtCore/QMutex>
|
|
#include <kdebug.h>
|
|
|
|
using namespace ThreadWeaver;
|
|
|
|
class ResourceRestrictionPolicy::Private
|
|
{
|
|
public:
|
|
Private ( int theCap )
|
|
: cap ( theCap)
|
|
{}
|
|
|
|
int cap;
|
|
QList<Job*> customers;
|
|
QMutex mutex;
|
|
};
|
|
|
|
ResourceRestrictionPolicy::ResourceRestrictionPolicy ( int cap)
|
|
: QueuePolicy ()
|
|
, d (new Private (cap))
|
|
{
|
|
}
|
|
|
|
ResourceRestrictionPolicy::~ResourceRestrictionPolicy()
|
|
{
|
|
delete d;
|
|
}
|
|
|
|
void ResourceRestrictionPolicy::setCap (int cap)
|
|
{
|
|
QMutexLocker l ( & d->mutex );
|
|
d->cap = cap;
|
|
}
|
|
|
|
int ResourceRestrictionPolicy::cap() const
|
|
{
|
|
QMutexLocker l ( & d->mutex );
|
|
return d->cap;
|
|
}
|
|
|
|
bool ResourceRestrictionPolicy::canRun( Job* job )
|
|
{
|
|
QMutexLocker l ( & d->mutex );
|
|
if ( d->customers.size() < d->cap )
|
|
{
|
|
d->customers.append( job );
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
void ResourceRestrictionPolicy::free ( Job* job )
|
|
{
|
|
QMutexLocker l ( & d->mutex );
|
|
int position = d->customers.indexOf (job);
|
|
|
|
if (position != -1)
|
|
{
|
|
kDebug() << "job" << job << "done.";
|
|
d->customers.removeAt (position);
|
|
}
|
|
}
|
|
|
|
void ResourceRestrictionPolicy::release ( Job* job )
|
|
{
|
|
free (job);
|
|
}
|
|
|
|
void ResourceRestrictionPolicy::destructed ( Job* job )
|
|
{
|
|
free (job);
|
|
}
|