RapidJsonDocument.h

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//
// Created by Nico Schäfer on 3/20/17.
//
 
#ifndef JODA_RAPIDJSONDOCUMENT_H
#define JODA_RAPIDJSONDOCUMENT_H
#include <joda/document/view/ViewLayer.h>
#include <rapidjson/allocators.h>
#include <rapidjson/fwd.h>
#include <atomic>
#include <memory>
#include "../../../../../misc/include/joda/misc/FileNameRepo.h"
#include "IOrigin.h"
#include "joda/misc/RJFwd.h"
 
typedef unsigned long DOC_ID;  // The type used to identify documents
 
class RapidJsonDocument {
 public:
  RapidJsonDocument(unsigned long id, std::unique_ptr<RJDocument> &&json,
                    std::unique_ptr<const IOrigin> &&origin);
 
  RapidJsonDocument(std::unique_ptr<RJDocument> &&json,
                    std::unique_ptr<const IOrigin> &&origin);
 
  ~RapidJsonDocument() = default;
 
  RapidJsonDocument(RapidJsonDocument &&doc) noexcept = default;
  RapidJsonDocument &operator=(RapidJsonDocument &&other) noexcept = default;
 
 
  RapidJsonDocument(const RapidJsonDocument &doc) = delete;
  RapidJsonDocument &operator=(const RapidJsonDocument &other) = delete;
 
 
  RapidJsonDocument();
  const std::unique_ptr<RJDocument> &getJson() const;
 
  void setJson(std::unique_ptr<RJDocument> &&json);
 
  void setOrigin(std::unique_ptr<const IOrigin> &&orig);
 
  void removeDoc();
 
  static DOC_ID getNewID();
 
  unsigned long getId() const;
 
  bool isValid() const;
 
  bool isView() const;
 
  void setView(std::unique_ptr<ViewLayer> &&view);
 
  const std::unique_ptr<ViewLayer> &getView() const;
 
  RJValue const *Get(const RJPointer &ptr) const;
 
  const std::unique_ptr<const IOrigin>& getOrigin() const;
 
 
 
  template <typename Handler>
  bool Accept(Handler &handler) const {
    if (isView()) {
      DCHECK(view != nullptr) << "View was not computed";
      return view->Accept(handler);
    } else {
      DCHECK(json != nullptr) << "Json was not loaded";
      return json->Accept(handler);
    }
  }
 
 protected:
  unsigned long id{};
  std::unique_ptr<const IOrigin> origin;
  std::unique_ptr<RJDocument> json;
  std::unique_ptr<ViewLayer> view;
  bool isView_ = false;
 
 private:
  static std::atomic_ulong currID;
};
 
typedef std::unique_ptr<RapidJsonDocument> RJDocumentPointer;
typedef std::unique_ptr<RJMemoryPoolAlloc> RJMemoryPoolPointer;
 
#endif  // JODA_RAPIDJSONDOCUMENT_H