qgscacheindex.h

Go to the documentation of this file.

/***************************************************************************
    qgscacheindex.h
     --------------------------------------
    Date                 : 13.2.2013
    Copyright            : (C) 2013 Matthias Kuhn
    Email                : matthias at opengis dot ch
 ***************************************************************************
 *                                                                         *
 *   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 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef QGSCACHEINDEX_H
#define QGSCACHEINDEX_H

#include "qgis_core.h"
#include "qgsfeature.h" // QgsFeatureIds

class QgsFeatureRequest;
class QgsFeatureIterator;

class CORE_EXPORT QgsAbstractCacheIndex
{
  public:

    QgsAbstractCacheIndex() = default;
    virtual ~QgsAbstractCacheIndex() = default;

    virtual void flushFeature( const QgsFeatureId fid ) = 0;

    virtual void flush() = 0;

    virtual void requestCompleted( const QgsFeatureRequest &featureRequest, const QgsFeatureIds &fids );

    virtual bool getCacheIterator( QgsFeatureIterator &featureIterator, const QgsFeatureRequest &featureRequest ) = 0;
};

#endif // QGSCACHEINDEX_H