UpdateResult.hpp

#ifndef _DITTO_UPDATE_RESULT_
#define _DITTO_UPDATE_RESULT_
 
#include "DocumentId.hpp"
 
#include "json.hpp"
 
#include <string>
 
namespace ditto {

enum class UpdateResultType {
  Set,
  Removed,
  Incremented,
};

struct UpdateResult {
  friend struct UpdateResultSet;
  friend struct UpdateResultRemoved;
  friend struct UpdateResultIncremented;

  DocumentId document_id;

  std::string path;

  UpdateResultType type;
 
  virtual ~UpdateResult() = default;
 
private:
  UpdateResult(DocumentId document_id, std::string path, UpdateResultType type);
};

struct UpdateResultSet : UpdateResult {
  friend class MutableDocumentPath;

  nlohmann::json value;
 
private:
  UpdateResultSet(DocumentId document_id, std::string path,
                  nlohmann::json value);
};

struct UpdateResultRemoved : UpdateResult {
  friend class MutableDocumentPath;
 
private:
  UpdateResultRemoved(DocumentId document_id, std::string path);
};

struct UpdateResultIncremented : UpdateResult {
  friend class MutableDocumentPath;

  double amount;
 
private:
  UpdateResultIncremented(DocumentId document_id, std::string path,
                          double amount);
};
 
} // namespace ditto
 
#endif