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98 lines
2.9 KiB
98 lines
2.9 KiB
5 months ago
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/* Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License, version 2.0, for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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#ifndef RPL_TRANSACTION_CTX_H
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#define RPL_TRANSACTION_CTX_H
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#include "mysql/service_rpl_transaction_ctx.h" // Transaction_termination_ctx
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/**
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Server side support to provide a service to plugins to report if
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a given transaction should continue or be aborted.
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Its value is reset on Transaction_ctx::cleanup().
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Its value is set through service service_rpl_transaction_ctx.
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*/
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class Rpl_transaction_ctx {
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public:
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Rpl_transaction_ctx();
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virtual ~Rpl_transaction_ctx() {}
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/**
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Set transaction context, that is, notify the server that for
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external reasons the ongoing transaction should continue or be
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aborted.
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See @file include/mysql/service_rpl_transaction_ctx.h
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@param transaction_termination_ctx Transaction termination context
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@return
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@retval 0 success
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@retval !=0 error
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*/
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int set_rpl_transaction_ctx(
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Transaction_termination_ctx transaction_termination_ctx);
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/**
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Get transaction outcome decision.
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When both sidno and gno are equal or greater than zero,
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transaction should continue.
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By default sidno and gno are 0, transaction will continue.
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@return
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@retval true Transaction should abort
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@retval false Transaction should continue
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*/
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bool is_transaction_rollback();
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/**
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Was GTID generated externally?
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@return
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@retval true GTID was generated.
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@retval false GTID was not generated.
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*/
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bool is_generated_gtid();
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/**
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Get transaction sidno.
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@return sidno sidno value.
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*/
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int get_sidno();
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/**
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Get transaction gno.
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@return gno gno value.
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*/
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long long int get_gno();
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/**
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Reset transaction context to default values.
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*/
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void cleanup();
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private:
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Transaction_termination_ctx m_transaction_ctx;
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};
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#endif /* RPL_TRANSACTION_CTX_H */
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