qgsfeaturefilter.h

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/***************************************************************************
                              qgsfeaturefilter.h
                              ------------------
  begin                : 26-10-2017
  copyright            : (C) 2017 by Patrick Valsecchi
  email                : patrick dot valsecchi at camptocamp dot com
 ***************************************************************************/
 
/***************************************************************************
 *                                                                         *
 *   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 QGSFEATUREFILTER_H
#define QGSFEATUREFILTER_H
 
#include "qgis_server.h"
#include "qgsfeaturefilterprovider.h"
 
#include <QMap>
 
class QgsExpression;

class SERVER_EXPORT QgsFeatureFilter : public QgsFeatureFilterProvider
{
  public:
    QgsFeatureFilter() = default;
 
    bool isFilterThreadSafe() const override { return false; }
 
    using QgsFeatureFilterProvider::filterFeatures;
    void filterFeatures( const QgsVectorLayer *layer, QgsFeatureRequest &filterFeatures ) const override;
    QStringList layerAttributes( const QgsVectorLayer *layer, const QStringList &attributes ) const override;
    QgsFeatureFilterProvider *clone() const override SIP_FACTORY;

    void setFilter( const QgsVectorLayer *layer, const QgsExpression &expression );
 
  private:
    QMap<QString, QString> mFilters;
};
 
#endif