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104 lines
2.4 KiB
C++
104 lines
2.4 KiB
C++
/* -*- C++ -*-
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This file implements the ResourceRestrictionPolicy class.
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$ Author: Mirko Boehm $
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$ Copyright: (C) 2004-2013 Mirko Boehm $
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$ Contact: mirko@kde.org
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http://www.kde.org
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http://creative-destruction.me $
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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$Id: Job.h 32 2005-08-17 08:38:01Z mirko $
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*/
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#include "ResourceRestrictionPolicy.h"
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#include <QtCore/QList>
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#include <QtCore/QMutex>
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#include <kdebug.h>
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using namespace ThreadWeaver;
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class ResourceRestrictionPolicy::Private
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{
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public:
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Private ( int theCap )
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: cap ( theCap)
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{}
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int cap;
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QList<Job*> customers;
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QMutex mutex;
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};
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ResourceRestrictionPolicy::ResourceRestrictionPolicy ( int cap)
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: QueuePolicy ()
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, d (new Private (cap))
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{
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}
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ResourceRestrictionPolicy::~ResourceRestrictionPolicy()
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{
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delete d;
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}
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void ResourceRestrictionPolicy::setCap (int cap)
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{
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QMutexLocker l ( & d->mutex );
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d->cap = cap;
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}
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int ResourceRestrictionPolicy::cap() const
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{
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QMutexLocker l ( & d->mutex );
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return d->cap;
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}
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bool ResourceRestrictionPolicy::canRun( Job* job )
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{
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QMutexLocker l ( & d->mutex );
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if ( d->customers.size() < d->cap )
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{
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d->customers.append( job );
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return true;
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} else {
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return false;
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}
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}
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void ResourceRestrictionPolicy::free ( Job* job )
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{
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QMutexLocker l ( & d->mutex );
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int position = d->customers.indexOf (job);
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if (position != -1)
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{
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kDebug() << "job" << job << "done.";
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d->customers.removeAt (position);
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}
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}
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void ResourceRestrictionPolicy::release ( Job* job )
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{
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free (job);
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}
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void ResourceRestrictionPolicy::destructed ( Job* job )
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{
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free (job);
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}
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