polardbxengine/plugin/polarx_rpc/tests/client/mysqlxclient/xerror.h

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2.7 KiB
C++

/*
* Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2.0,
* as published by the Free Software Foundation.
*
* This program is also distributed with certain software (including
* but not limited to OpenSSL) that is licensed under separate terms,
* as designated in a particular file or component or in included license
* documentation. The authors of MySQL hereby grant you an additional
* permission to link the program and your derivative works with the
* separately licensed software that they have included with MySQL.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License, version 2.0, for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
// MySQL DB access module, for use by plugins and others
// For the module that implements interactive DB functionality see mod_db
#ifndef PLUGIN_X_CLIENT_MYSQLXCLIENT_XERROR_H_
#define PLUGIN_X_CLIENT_MYSQLXCLIENT_XERROR_H_
#include <string>
#include "mysqlxclient_error.h"
namespace xcl {
/**
MySQL error holder.
The class can holds error codes from:
* MySQL Server, errors beginning with ER_ prefix
* client side, errors beginning with CR_ prefix
* X Protocol, errors beginning with ER_X_ prefix
* X Client, errors beginning with CR_X_ prefix
Object created with default constructor sets the error
code to "0", which means no error.
*/
class XError {
public:
XError() : m_error(0), m_is_fatal(false) {}
explicit XError(const int err, const std::string &message = "",
bool is_fatal = false, const std::string &sql_state = "")
: m_message(message),
m_error(err),
m_is_fatal(is_fatal),
m_sql_state(sql_state) {}
/** Check if an error occurred */
operator bool() const { return 0 != m_error; }
/** Get error code. */
int error() const { return m_error; }
/** Get error description. */
const char *what() const { return m_message.c_str(); }
/** Check if error is marked as fatal. */
bool is_fatal() const { return m_is_fatal; }
/** Get sql state description. */
const char *sql_state() const { return m_sql_state.c_str(); }
private:
std::string m_message;
int m_error;
bool m_is_fatal;
std::string m_sql_state;
};
} // namespace xcl
#endif // PLUGIN_X_CLIENT_MYSQLXCLIENT_XERROR_H_