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oceanbase/src/clog/ob_i_submit_log_cb.h
gm 4a92b6d7df reformat source code
according to code styles, 'AccessModifierOffset' should be -2.
2021-06-17 10:40:36 +08:00

124 lines
3.7 KiB
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/**
* Copyright (c) 2021 OceanBase
* OceanBase CE is licensed under Mulan PubL v2.
* You can use this software according to the terms and conditions of the Mulan PubL v2.
* You may obtain a copy of Mulan PubL v2 at:
* http://license.coscl.org.cn/MulanPubL-2.0
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PubL v2 for more details.
*/
#ifndef OCEANBASE_CLOG_OB_I_SUBMIT_LOG_CB_H_
#define OCEANBASE_CLOG_OB_I_SUBMIT_LOG_CB_H_
#include "common/ob_partition_key.h"
#include "ob_log_define.h"
namespace oceanbase {
namespace clog {
class ObISubmitLogCb {
public:
ObISubmitLogCb() : next_(NULL), submit_timestamp_(0), need_post_cb_(false), is_high_priority_(false)
{}
virtual ~ObISubmitLogCb()
{
next_ = NULL;
submit_timestamp_ = 0;
need_post_cb_ = false;
is_high_priority_ = false;
}
public:
// batch_committed:
// For distributed transactions of batch commit type, this value is used to notify the upper-layer transaction
// whether the commit is successful batch_committed = true
// The transaction commits successfully and the transaction context can be released.
// batch_committed = false
// The transaction is not submitted successfully, only this log synchronization is successful, and the transaction
// needs to continue to advance the two-phase submission according to the 2PC process.
//
// batch_last_succeed:
// For distributed transactions of the batchcommit type, this value is used to notify the upper transaction whether
// it is the last partition callback, and the on_success of all previous partitions are called successfully.
virtual int on_success(const common::ObPartitionKey& partition_key, const clog::ObLogType log_type,
const uint64_t log_id, const int64_t version, const bool batch_committed, const bool batch_last_succeed) = 0;
virtual int on_success_post(const common::ObPartitionKey& partition_key, const uint64_t log_id, const int64_t version,
const bool batch_committed, const bool batch_last_succeed)
{
int ret = common::OB_SUCCESS;
UNUSED(partition_key);
UNUSED(log_id);
UNUSED(version);
UNUSED(batch_committed);
UNUSED(batch_last_succeed);
return ret;
}
virtual int on_finished(const common::ObPartitionKey& partition_key, const uint64_t log_id)
{
int ret = common::OB_SUCCESS;
UNUSED(partition_key);
UNUSED(log_id);
return ret;
}
virtual void reset()
{
base_class_reset();
}
void base_class_reset()
{
next_ = NULL;
submit_timestamp_ = 0;
need_post_cb_ = false;
}
void set_need_post_cb()
{
need_post_cb_ = true;
}
bool need_post_cb() const
{
return need_post_cb_;
}
void set_high_priority()
{
is_high_priority_ = true;
}
bool is_high_priority() const
{
return is_high_priority_;
}
public:
ObISubmitLogCb* next_;
int64_t submit_timestamp_;
bool need_post_cb_;
bool is_high_priority_;
TO_STRING_EMPTY();
};
class ObSubmitLogDummyCb : public ObISubmitLogCb {
public:
ObSubmitLogDummyCb()
{}
~ObSubmitLogDummyCb()
{}
public:
int on_success(const common::ObPartitionKey& partition_key, const clog::ObLogType log_type, const uint64_t log_id,
const int64_t version, const bool batch_committed, const bool batch_last_succeed)
{
UNUSED(partition_key);
UNUSED(log_type);
UNUSED(log_id);
UNUSED(version);
UNUSED(batch_committed);
UNUSED(batch_last_succeed);
return common::OB_SUCCESS;
}
};
} // namespace clog
} // namespace oceanbase
#endif // OCEANBASE_CLOG_OB_I_SUBMIT_LOG_CB_H_