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oceanbase/src/share/ob_tenant_switchover_status.h

96 lines
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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_SHARE_OB_TENANT_SWITCHOVER_STATUS_H_
#define OCEANBASE_SHARE_OB_TENANT_SWITCHOVER_STATUS_H_
#include "lib/string/ob_string.h" // ObString
#include "lib/utility/ob_unify_serialize.h" // serialize
#include "lib/utility/ob_print_utils.h" // TO_STRING_KV
#include "lib/oblog/ob_log_module.h" // LOG*
namespace oceanbase {
namespace share {
class ObTenantSwitchoverStatus
{
OB_UNIS_VERSION(1);
public:
// Tenant Switchover Status
enum Status
{
INVALID_STATUS = 0,
NORMAL_STATUS = 1,
SWITCHING_TO_PRIMARY_STATUS = 2,
PREPARE_FLASHBACK_FOR_FAILOVER_TO_PRIMARY_STATUS = 3,
FLASHBACK_STATUS = 4,
PREPARE_SWITCHING_TO_STANDBY_STATUS = 5,
SWITCHING_TO_STANDBY_STATUS = 6,
PREPARE_FLASHBACK_FOR_SWITCH_TO_PRIMARY_STATUS = 7,
MAX_STATUS = 8
};
public:
ObTenantSwitchoverStatus() : value_(INVALID_STATUS) {}
explicit ObTenantSwitchoverStatus(const ObTenantSwitchoverStatus::Status value) : value_(value) {}
explicit ObTenantSwitchoverStatus(const ObString &str);
~ObTenantSwitchoverStatus() { reset(); }
public:
void reset() { value_ = INVALID_STATUS; }
bool is_valid() const { return INVALID_STATUS != value_; }
ObTenantSwitchoverStatus::Status value() const { return value_; }
const char* to_str() const;
// compare operator
bool operator == (const ObTenantSwitchoverStatus &other) const { return value_ == other.value_; }
bool operator != (const ObTenantSwitchoverStatus &other) const { return value_ != other.value_; }
// assignment
ObTenantSwitchoverStatus &operator=(const ObTenantSwitchoverStatus::Status value)
{
value_ = value;
return *this;
}
// Tenant Switchover attribute interface
#define IS_TENANT_STATUS(TENANT_STATUS, STATUS) \
bool is_##STATUS##_status() const { return TENANT_STATUS == value_; };
IS_TENANT_STATUS(NORMAL_STATUS, normal)
IS_TENANT_STATUS(SWITCHING_TO_PRIMARY_STATUS, switching_to_primary)
IS_TENANT_STATUS(PREPARE_FLASHBACK_FOR_FAILOVER_TO_PRIMARY_STATUS, prepare_flashback_for_failover_to_primary)
IS_TENANT_STATUS(FLASHBACK_STATUS, flashback)
IS_TENANT_STATUS(PREPARE_SWITCHING_TO_STANDBY_STATUS, prepare_switching_to_standby)
IS_TENANT_STATUS(SWITCHING_TO_STANDBY_STATUS, switching_to_standby)
IS_TENANT_STATUS(PREPARE_FLASHBACK_FOR_SWITCH_TO_PRIMARY_STATUS, prepare_flashback_for_switch_to_primary)
#undef IS_TENANT_STATUS
TO_STRING_KV(K_(value));
DECLARE_TO_YSON_KV;
private:
ObTenantSwitchoverStatus::Status value_;
};
static const ObTenantSwitchoverStatus INVALID_SWITCHOVER_STATUS(ObTenantSwitchoverStatus::INVALID_STATUS);
static const ObTenantSwitchoverStatus NORMAL_SWITCHOVER_STATUS(ObTenantSwitchoverStatus::NORMAL_STATUS);
static const ObTenantSwitchoverStatus PREPARE_FLASHBACK_FOR_FAILOVER_TO_PRIMARY_SWITCHOVER_STATUS(ObTenantSwitchoverStatus::PREPARE_FLASHBACK_FOR_FAILOVER_TO_PRIMARY_STATUS);
static const ObTenantSwitchoverStatus FLASHBACK_SWITCHOVER_STATUS(ObTenantSwitchoverStatus::FLASHBACK_STATUS);
static const ObTenantSwitchoverStatus SWITCHING_TO_PRIMARY_SWITCHOVER_STATUS(ObTenantSwitchoverStatus::SWITCHING_TO_PRIMARY_STATUS);
static const ObTenantSwitchoverStatus PREP_SWITCHING_TO_STANDBY_SWITCHOVER_STATUS(ObTenantSwitchoverStatus::PREPARE_SWITCHING_TO_STANDBY_STATUS);
static const ObTenantSwitchoverStatus SWITCHING_TO_STANDBY_SWITCHOVER_STATUS(ObTenantSwitchoverStatus::SWITCHING_TO_STANDBY_STATUS);
static const ObTenantSwitchoverStatus PREPARE_FLASHBACK_FOR_SWITCH_TO_PRIMARY_SWITCHOVER_STATUS(ObTenantSwitchoverStatus::PREPARE_FLASHBACK_FOR_SWITCH_TO_PRIMARY_STATUS);
} // share
} // oceanbase
#endif /* OCEANBASE_SHARE_OB_TENANT_SWITCHOVER_STATUS_H_ */