566e920620
Co-authored-by: wangt1xiuyi <13547954130@163.com> Co-authored-by: yangqise7en <877793735@qq.com> Co-authored-by: Zach41 <zach_41@163.com>
102 lines
2.8 KiB
C++
102 lines
2.8 KiB
C++
/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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* You can use this software according to the terms and conditions of the Mulan PubL v2.
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* You may obtain a copy of Mulan PubL v2 at:
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* http://license.coscl.org.cn/MulanPubL-2.0
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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*/
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#include "storage/meta_mem/ob_tablet_pointer_handle.h"
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#include "storage/meta_mem/ob_tablet_pointer_map.h"
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namespace oceanbase
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{
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namespace storage
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{
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ObTabletPointerHandle::ObTabletPointerHandle()
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: ObResourceHandle<ObTabletPointer>::ObResourceHandle(),
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map_(nullptr)
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{
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}
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ObTabletPointerHandle::ObTabletPointerHandle(ObTabletPointerMap &map)
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: ObResourceHandle<ObTabletPointer>::ObResourceHandle(),
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map_(&map)
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{
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}
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ObTabletPointerHandle::ObTabletPointerHandle(
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ObResourceValueStore<ObTabletPointer> *ptr,
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ObTabletPointerMap *map)
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: ObResourceHandle<ObTabletPointer>::ObResourceHandle(),
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map_(map)
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{
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abort_unless(common::OB_SUCCESS == set(ptr, map));
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}
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ObTabletPointerHandle::~ObTabletPointerHandle()
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{
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reset();
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}
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void ObTabletPointerHandle::reset()
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{
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int ret = common::OB_SUCCESS;
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if (nullptr != ObResourceHandle<ObTabletPointer>::ptr_) {
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if (nullptr == map_) {
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STORAGE_LOG(ERROR, "map is null", K(ret), KP_(map));
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} else if (OB_FAIL(map_->dec_handle_ref(ObResourceHandle<ObTabletPointer>::ptr_))) {
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STORAGE_LOG(WARN, "fail to decrease handle reference count", K(ret));
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} else {
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ObResourceHandle<ObTabletPointer>::ptr_ = nullptr;
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}
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}
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}
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bool ObTabletPointerHandle::is_valid() const
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{
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return nullptr != ObResourceHandle<ObTabletPointer>::ptr_
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&& nullptr != ObResourceHandle<ObTabletPointer>::ptr_->get_value_ptr()
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&& nullptr != map_;
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}
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int ObTabletPointerHandle::assign(const ObTabletPointerHandle &other)
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{
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int ret = common::OB_SUCCESS;
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if (this != &other) {
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if (OB_FAIL(set(other.ptr_, other.map_))) {
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STORAGE_LOG(WARN, "failed to set member", K(ret), K(other));
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}
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}
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return ret;
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}
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int ObTabletPointerHandle::set(
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ObResourceValueStore<ObTabletPointer> *ptr,
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ObTabletPointerMap *map)
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{
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int ret = common::OB_SUCCESS;
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if (OB_ISNULL(ptr) || OB_ISNULL(map)) {
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ret = common::OB_INVALID_ARGUMENT;
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STORAGE_LOG(WARN, "invalid argument", K(ret), KP(ptr), KP(map));
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} else {
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reset();
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if (OB_FAIL(map->inc_handle_ref(ptr))) {
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STORAGE_LOG(WARN, "fail to inc tablet poiner", K(ret), KP(ptr), KP(map));
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} else {
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ObResourceHandle<ObTabletPointer>::ptr_ = ptr;
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map_ = map;
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}
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}
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return ret;
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}
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} // end namespace storage
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} // end namespace oceanbase;
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