qgsprovidersublayertask.h

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/***************************************************************************
                             qgsprovidersublayertask.h
                             ----------------------
    begin                : June 2021
    copyright            : (C) 2021 by Nyall Dawson
    email                : nyall dot dawson at gmail 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 QGSPROVIDERSUBLAYERTASKTASK_H
#define QGSPROVIDERSUBLAYERTASKTASK_H
 
#include <memory>
 
#include "qgstaskmanager.h"
 
#include <QReadWriteLock>
 
class QgsFeedback;
class QgsProviderSublayerDetails;

class CORE_EXPORT QgsProviderSublayerTask : public QgsTask
{
    Q_OBJECT
 
  public:

    QgsProviderSublayerTask( const QString &uri, bool includeSystemTables = false );

    QgsProviderSublayerTask( const QString &uri, const QString &providerKey, bool includeSystemTables = false );
 
    ~QgsProviderSublayerTask() override;

    QList<QgsProviderSublayerDetails> results() const;
 
    void cancel() override;
 
  protected:
 
    bool run() override;
 
  private:
 
    QString mUri;
 
    QString mProviderKey;
 
    bool mIncludeSystemTables = false;
 
    std::unique_ptr< QgsFeedback > mFeedback;
 
    QList<QgsProviderSublayerDetails> mResults;
 
    mutable QReadWriteLock mLock;
 
};
 
#endif // QGSPROVIDERSUBLAYERTASKTASK_H