76 lines
1.6 KiB
C++
76 lines
1.6 KiB
C++
/**
|
|
* Copyright (c) 2023 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_SHARE_OB_TABLE_RANGE_H_
|
|
#define OCEANBASE_SHARE_OB_TABLE_RANGE_H_
|
|
|
|
#include "share/scn.h"
|
|
|
|
namespace oceanbase
|
|
{
|
|
namespace share
|
|
{
|
|
struct ObScnRange
|
|
{
|
|
OB_UNIS_VERSION(1);
|
|
public:
|
|
static const SCN MIN_SCN;
|
|
static const SCN MAX_SCN;
|
|
|
|
ObScnRange();
|
|
int64_t hash() const;
|
|
|
|
OB_INLINE void reset()
|
|
{
|
|
start_scn_ = MIN_SCN;
|
|
end_scn_ = MIN_SCN;
|
|
}
|
|
|
|
OB_INLINE bool is_valid() const
|
|
{
|
|
return start_scn_.is_valid() && end_scn_.is_valid() && end_scn_ >= start_scn_;
|
|
}
|
|
|
|
OB_INLINE bool is_empty() const
|
|
{
|
|
return end_scn_ == start_scn_;
|
|
}
|
|
|
|
OB_INLINE bool operator == (const ObScnRange &range) const
|
|
{
|
|
return start_scn_ == range.start_scn_
|
|
&& end_scn_ == range.end_scn_;
|
|
}
|
|
|
|
OB_INLINE bool operator != (const ObScnRange &range) const
|
|
{
|
|
return !this->operator==(range);
|
|
}
|
|
|
|
OB_INLINE bool contain(const SCN &scn) const
|
|
{
|
|
return is_valid() && start_scn_ < scn
|
|
&& end_scn_ >= scn;
|
|
}
|
|
TO_STRING_KV(K_(start_scn), K_(end_scn));
|
|
|
|
public:
|
|
SCN start_scn_;
|
|
SCN end_scn_;
|
|
};
|
|
|
|
|
|
} //namespace share
|
|
} //namespace oceanbase
|
|
|
|
#endif //OCEANBASE_SHARE_OB_TABLE_RANGE_H_
|