grow_status.h

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/* Copyright (c) 2023, 2024, Oracle and/or its affiliates.
 
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   it under the terms of the GNU General Public License, version 2.0,
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/// @addtogroup Replication
/// @{
///  @file grow_status.h
 
#ifndef MYSQL_BUFFER_GROW_STATUS_H_
#define MYSQL_BUFFER_GROW_STATUS_H_
 
#include <ostream>
#include <string>
 
namespace mysqlns::buffer {
 
/// Error statuses for classes that use Grow_calculator.
enum class Grow_status {
  /// A grow operation succeeded. The data structure is now of the new
  /// size.
  success,
  /// A grow operation could not be performed because there is a
  /// configured maximum size. The data structure is unchanged.
  exceeds_max_size,
  /// A grow operation failed because memory allocation failed. The
  /// data structure is unchanged.
  out_of_memory
};
 
/// Return value from debug_string(Grow_status) when the parameter is
/// not a valid value.
extern const std::string invalid_grow_status_string;
 
/// Return a string that describes each enumeration value.
std::string debug_string(Grow_status status);
 
/// Write a string that describes the enumeration value to the stream.
std::ostream &operator<<(std::ostream &stream, Grow_status status);
 
}  // namespace mysqlns::buffer
 
/// @} (end of group Replication)
 
#endif /* MYSQL_BUFFER_GROW_STATUS_H_ */