TransferGroup.h

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// SPDX-FileCopyrightText: Deutsches Elektronen-Synchrotron DESY, MSK, ChimeraTK Project <chimeratk-support@desy.de>
// SPDX-License-Identifier: LGPL-3.0-or-later
#pragma once
 
#include "TransferElementAbstractor.h"
 
#include <set>
 
namespace ChimeraTK {
 
  class TransferGroup {
   public:
    void addAccessor(TransferElementAbstractor& accessor);
 
    void addAccessor(const boost::shared_ptr<TransferElement>& accessor);
 
    void read();
 
    void write(VersionNumber versionNumber = {});
 
    [[nodiscard]] bool isReadOnly();
 
    [[nodiscard]] bool isReadable();
 
    [[nodiscard]] bool isWriteable();
 
    void dump();
 
   protected:
    std::map<boost::shared_ptr<TransferElement>, bool /*hasSeenException*/> _lowLevelElementsAndExceptionFlags;
 
    std::set<boost::shared_ptr<TransferElement>> _copyDecorators;
 
    std::set<boost::shared_ptr<TransferElement>> _highLevelElements;
 
    bool _isReadable{false};
 
    bool _isWriteable{false};
 
    bool _cachedReadableWriteableIsValid{false};
 
    void updateIsReadableWriteable();
 
    // Helper function to avoid code duplication. Needs to be run for two lists.
    void runPostReads(const std::set<boost::shared_ptr<TransferElement>>& elements,
        const std::exception_ptr& firstDetectedRuntimeError);
 
    // Counter how many runtime errors have been thrown.
    size_t _nRuntimeErrors;
 
   private:
    void addAccessorImpl(TransferElementAbstractor& accessor, bool isTemporaryAbstractor);
  };
 
} /* namespace ChimeraTK */