archive_database.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_DATABASE_H_
#define FLUTTER_IMPELLER_ARCHIVIST_ARCHIVE_DATABASE_H_
 
#include <map>
#include <memory>
#include <string>
 
#include "impeller/archivist/archive_transaction.h"
 
namespace impeller {
 
class ArchiveStatement;
class ArchiveClassRegistration;
struct ArchiveDef;
 
//------------------------------------------------------------------------------
/// @brief      A handle to the underlying database connection for an archive.
///
class ArchiveDatabase {
 public:
  explicit ArchiveDatabase(const std::string& filename);
 
  ~ArchiveDatabase();
 
  bool IsValid() const;
 
  int64_t GetLastInsertRowID();
 
  const ArchiveClassRegistration* GetRegistrationForDefinition(
      const ArchiveDef& definition);
 
  ArchiveTransaction CreateTransaction(int64_t& transactionCount);
 
 private:
  struct Handle;
  std::unique_ptr<Handle> handle_;
  std::map<std::string, std::unique_ptr<ArchiveClassRegistration>>
      registrations_;
  std::unique_ptr<ArchiveStatement> begin_transaction_stmt_;
  std::unique_ptr<ArchiveStatement> end_transaction_stmt_;
  std::unique_ptr<ArchiveStatement> rollback_transaction_stmt_;
 
  friend class ArchiveClassRegistration;
 
  ArchiveStatement CreateStatement(const std::string& statementString) const;
 
  ArchiveDatabase(const ArchiveDatabase&) = delete;
 
  ArchiveDatabase& operator=(const ArchiveDatabase&) = delete;
};
 
}  // namespace impeller
 
#endif  // FLUTTER_IMPELLER_ARCHIVIST_ARCHIVE_DATABASE_H_