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88 lines
3.2 KiB
C++
88 lines
3.2 KiB
C++
//##################################################################################################
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//
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// Custom Visualization Core library
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// Copyright (C) 2011-2013 Ceetron AS
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//
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// This library may be used under the terms of either the GNU General Public License or
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// the GNU Lesser General Public License as follows:
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//
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// GNU General Public License Usage
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// This library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License at <<http://www.gnu.org/licenses/gpl.html>>
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// for more details.
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//
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// GNU Lesser General Public License Usage
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation; either version 2.1 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU Lesser General Public License at <<http://www.gnu.org/licenses/lgpl-2.1.html>>
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// for more details.
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//
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//##################################################################################################
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#pragma once
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#include "cafDataLoader.h"
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#include <map>
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#include <memory>
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#include <QMutex>
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#include <QObject>
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#include <QRunnable>
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#include <QString>
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#include <QWaitCondition>
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namespace caf
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{
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class ProgressInfo;
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class PdmObject;
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//==================================================================================================
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///
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//==================================================================================================
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class DataLoadController : public caf::SignalObserver
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{
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public:
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static DataLoadController* instance();
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DataLoadController( const DataLoadController& ) = delete;
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DataLoadController& operator=( const DataLoadController& ) = delete;
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void registerDataLoader( const QString& objectType, const QString& dataType, std::unique_ptr<DataLoader> dataLoader );
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void loadData( caf::PdmObject& object, const QString& dateType, ProgressInfo& progressInfo );
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void blockUntilDone( const QString& dataType );
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void onTaskFinished( const caf::SignalEmitter* emitter, QString dataType, int taskId );
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private:
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DataLoadController();
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std::map<std::pair<QString, QString>, std::unique_ptr<caf::DataLoader>> m_dataLoaders;
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std::map<QString, int> m_pendingTasksByType;
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std::map<QString, ProgressInfo*> m_progressInfos;
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int m_taskId;
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QMutex m_mutex;
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QWaitCondition m_waitCondition;
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};
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} // end namespace caf
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