kde-playground/kdepimlibs/akonadi/collectionstatisticsjob.h
2015-04-14 21:49:29 +00:00

105 lines
2.8 KiB
C++

/*
Copyright (c) 2006 - 2007 Volker Krause <vkrause@kde.org>
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.
*/
#ifndef AKONADI_COLLECTIONSTATISTICSJOB_H
#define AKONADI_COLLECTIONSTATISTICSJOB_H
#include "akonadi_export.h"
#include <akonadi/job.h>
namespace Akonadi {
class Collection;
class CollectionStatistics;
class CollectionStatisticsJobPrivate;
/**
* @short Job that fetches collection statistics from the Akonadi storage.
*
* This class fetches the CollectionStatistics object for a given collection.
*
* Example:
*
* @code
*
* Akonadi::Collection collection = ...
*
* Akonadi::CollectionStatisticsJob *job = new Akonadi::CollectionStatisticsJob( collection );
* connect( job, SIGNAL(result(KJob*)), SLOT(jobFinished(KJob*)) );
*
* ...
*
* MyClass::jobFinished( KJob *job )
* {
* if ( job->error() ) {
* qDebug() << "Error occurred";
* return;
* }
*
* CollectionStatisticsJob *statisticsJob = qobject_cast<CollectionStatisticsJob*>( job );
*
* const Akonadi::CollectionStatistics statistics = statisticsJob->statistics();
* qDebug() << "Unread items:" << statistics.unreadCount();
* }
*
* @endcode
*
* @author Volker Krause <vkrause@kde.org>
*/
class AKONADI_EXPORT CollectionStatisticsJob : public Job
{
Q_OBJECT
public:
/**
* Creates a new collection statistics job.
*
* @param collection The collection to fetch the statistics from.
* @param parent The parent object.
*/
explicit CollectionStatisticsJob(const Collection &collection, QObject *parent = 0);
/**
* Destroys the collection statistics job.
*/
virtual ~CollectionStatisticsJob();
/**
* Returns the fetched collection statistics.
*/
CollectionStatistics statistics() const;
/**
* Returns the corresponding collection, if the job was executed successfully,
* the collection is already updated.
*/
Collection collection() const;
protected:
virtual void doStart();
virtual void doHandleResponse(const QByteArray &tag, const QByteArray &data);
private:
Q_DECLARE_PRIVATE(CollectionStatisticsJob)
};
}
#endif