DataConsistencyGroupSimpleMatcher.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 "TransferElementID.h"
#include "VersionNumber.h"
 
#include <map>
#include <unordered_set>
 
namespace ChimeraTK::DataConsistencyGroupDetail {
 
  /********************************************************************************************************************/
 
  class MatcherBase {
   public:
    virtual ~MatcherBase() = default;
 
    [[nodiscard]] const auto& getElements() const { return _pushElements; }
    [[nodiscard]] auto& getElements() { return _pushElements; }
 
   protected:
    std::map<TransferElementID, TransferElementAbstractor> _pushElements;
  };
 
  class SimpleMatcher : public DataConsistencyGroupDetail::MatcherBase {
   public:
    SimpleMatcher() = default;
 
    bool update(const TransferElementID& transferElementID);
 
    bool isConsistent() const;
 
   private:
    std::unordered_set<TransferElementID> _consistentElements;
    VersionNumber _versionNumberToBeConsistentTo{nullptr};
  };
 
  /********************************************************************************************************************/
 
} // namespace ChimeraTK::DataConsistencyGroupDetail