60 lines
2.6 KiB
C++
60 lines
2.6 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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#ifndef DEV_SRC_SQL_PLAN_CACHE_OB_CACHE_OBJECT_FACTORY_H_
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#define DEV_SRC_SQL_PLAN_CACHE_OB_CACHE_OBJECT_FACTORY_H_
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#include "sql/plan_cache/ob_cache_object.h"
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#include "lib/allocator/page_arena.h"
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#include "lib/objectpool/ob_global_factory.h"
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#include "lib/objectpool/ob_tc_factory.h"
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namespace oceanbase {
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namespace sql {
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class ObPhysicalPlan;
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class ObPlanCache;
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class ObCacheObjectFactory {
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friend class ObCacheObject;
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friend class ObPlanCacheManager;
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public:
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static int alloc(ObCacheObject*& cache_obj, const CacheRefHandleID ref_handle, ObCacheObjType co_type,
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uint64_t tenant_id = common::OB_SERVER_TENANT_ID);
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static int alloc(
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ObPhysicalPlan*& plan, const CacheRefHandleID ref_handle, uint64_t tenant_id = common::OB_SERVER_TENANT_ID);
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/* The reason for designing the interface like this:
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* The outer application will generally make a judgment when calling ObCacheObjectFactory::free:
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* if (NULL != cache_obj) {ObCacheObjectFactory::free(cache_obj);}
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* If cache_obj is not set to NULL after free, it may be freed again somewhere in the future
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*/
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#define DEF_FREE_CACHE_FUNC(CACHE_TYPE) \
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inline static void free(CACHE_TYPE*& cache_obj, const CacheRefHandleID ref_handle) \
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{ \
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ObCacheObject* tmp_obj = (ObCacheObject*)cache_obj; \
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common_free(tmp_obj, ref_handle); \
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cache_obj = NULL; \
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}
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DEF_FREE_CACHE_FUNC(ObPhysicalPlan)
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DEF_FREE_CACHE_FUNC(ObCacheObject)
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private:
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static void inner_free(ObCacheObject* cache_obj);
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static ObPlanCache* get_plan_cache(const uint64_t tenant_id);
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static void common_free(ObCacheObject* cache_obj, const CacheRefHandleID ref_handle);
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static int destroy_cache_obj(const bool is_leaked, const uint64_t obj_id, ObPlanCache* plan_cache);
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};
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} // namespace sql
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} // namespace oceanbase
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#endif /* DEV_SRC_SQL_PLAN_CACHE_OB_CACHE_OBJECT_FACTORY_H_ */
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