archive_class_registration.h

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// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
#ifndef FLUTTER_IMPELLER_ARCHIVIST_ARCHIVE_CLASS_REGISTRATION_H_
#define FLUTTER_IMPELLER_ARCHIVIST_ARCHIVE_CLASS_REGISTRATION_H_
 
#include <map>
#include <optional>
 
#include "flutter/fml/macros.h"
#include "impeller/archivist/archive.h"
#include "impeller/archivist/archive_statement.h"
 
namespace impeller {
 
class ArchiveClassRegistration {
 public:
  static constexpr size_t kPrimaryKeyIndex = 0u;
 
  bool IsValid() const;
 
  std::optional<size_t> FindColumnIndex(const std::string& member) const;
 
  const std::string& GetClassName() const;
 
  size_t GetMemberCount() const;
 
  ArchiveStatement CreateInsertStatement() const;
 
  ArchiveStatement CreateQueryStatement(bool single) const;
 
 private:
  using MemberColumnMap = std::map<std::string, size_t>;
 
  friend class ArchiveDatabase;
 
  ArchiveClassRegistration(ArchiveDatabase& database, ArchiveDef definition);
 
  bool CreateTable();
 
  ArchiveDatabase& database_;
  const ArchiveDef definition_;
  MemberColumnMap column_map_;
  bool is_valid_ = false;
 
  ArchiveClassRegistration(const ArchiveClassRegistration&) = delete;
 
  ArchiveClassRegistration& operator=(const ArchiveClassRegistration&) = delete;
};
 
}  // namespace impeller
 
#endif  // FLUTTER_IMPELLER_ARCHIVIST_ARCHIVE_CLASS_REGISTRATION_H_