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77c539b650
* utility functions for shared info objects (count/timestamp) * support for shared and DB info objects * renamed functions reflecting using info objects now (no longer headers)
89 lines
3.4 KiB
C++
89 lines
3.4 KiB
C++
/* Copyright (C) 2016
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* swift project Community / Contributors
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*
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* This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
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* directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
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* including this file, may be copied, modified, propagated, or distributed except according to the terms
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* contained in the LICENSE file.
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*/
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//! \file
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#ifndef BLACKCORE_DB_INFODATAREADER_H
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#define BLACKCORE_DB_INFODATAREADER_H
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#include "blackcore/blackcoreexport.h"
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#include "blackcore/db/databasereader.h"
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#include "blackmisc/db/dbinfolist.h"
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#include <QObject>
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#include <QNetworkReply>
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#include <QReadWriteLock>
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namespace BlackCore
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{
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namespace Db
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{
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//! Read information about data from Database or shared file
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class BLACKCORE_EXPORT CInfoDataReader : public CDatabaseReader
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{
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Q_OBJECT
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public:
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//! Constructor
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explicit CInfoDataReader(QObject *owner, const CDatabaseReaderConfigList &config, BlackMisc::Db::CDbFlags::DataRetrievalModeFlag mode);
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//! Get info list (either shared or from DB)
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//! \threadsafe
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BlackMisc::Db::CDbInfoList getInfoObjects() const;
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//! Get info list size (either shared or from DB)
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//! \threadsafe
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int getInfoObjectCount() const;
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//! All data read?
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//! \threadsafe
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bool areAllDataRead() const;
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//! Allow to call directly, special for info objects reader
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void read();
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//! URL depending on mode
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BlackMisc::Network::CUrl getInfoObjectsUrl() const;
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// cache handling for base class: no cache handling here in that case
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virtual BlackMisc::Network::CEntityFlags::Entity getSupportedEntities() const override;
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virtual QDateTime getCacheTimestamp(BlackMisc::Network::CEntityFlags::Entity entity) const override;
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virtual int getCacheCount(BlackMisc::Network::CEntityFlags::Entity entity) const override;
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virtual void synchronizeCaches(BlackMisc::Network::CEntityFlags::Entity entities) override;
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virtual void admitCaches(BlackMisc::Network::CEntityFlags::Entity entities) override;
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protected:
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// cache handling for base class
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virtual void invalidateCaches(BlackMisc::Network::CEntityFlags::Entity entities) override;
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virtual bool hasChangedUrl(BlackMisc::Network::CEntityFlags::Entity entity) const override;
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virtual BlackMisc::Network::CUrl getDbServiceBaseUrl() const override;
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private slots:
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//! Info objects have been read
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void ps_parseInfoObjectsData(QNetworkReply *nwReply);
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private:
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//! URL info objects web service
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BlackMisc::Network::CUrl getDbInfoObjectsUrl() const;
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//! URL shared info objects
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BlackMisc::Network::CUrl getSharedInfoObjectsUrl() const;
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//! Entity for mode
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BlackMisc::Network::CEntityFlags::EntityFlag getEntityForMode() const;
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BlackMisc::Db::CDbFlags::DataRetrievalModeFlag m_mode; //!< shared or DB web service?
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BlackMisc::Db::CDbInfoList m_infoObjects;
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BlackMisc::Network::CUrl m_urlInfoObjects;
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mutable QReadWriteLock m_lockInfoObjects;
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};
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} // ns
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} // ns
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#endif // guard
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