wehub-resource-sync
68 lines
2.1 KiB
C++
68 lines
2.1 KiB
C++
// Copyright (c) 2024 PaddlePaddle Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <list>
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#include <memory>
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#include <optional>
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#include "paddle/ap/include/adt/adt.h"
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#include "paddle/ap/include/memory/circlable_ref_list_base.h"
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namespace ap::memory {
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class CirclableRefImplBase
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: public std::enable_shared_from_this<CirclableRefImplBase> {
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public:
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CirclableRefImplBase(const CirclableRefImplBase&) = delete;
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CirclableRefImplBase(CirclableRefImplBase&&) = delete;
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virtual ~CirclableRefImplBase() {}
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virtual void ClearRef() = 0;
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using WeakRefList = std::list<std::weak_ptr<CirclableRefImplBase>>;
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using CirclableRefListPtr = std::weak_ptr<CirclableRefListBase>;
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const std::optional<WeakRefList::iterator>& weak_ref_iter() const {
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return weak_ref_iter_;
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}
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const std::optional<CirclableRefListPtr>& circlable_ref_list_ptr() const {
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return circlable_ref_list_weak_ptr_;
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}
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adt::Result<adt::Ok> InitWeakRefIterAndList(WeakRefList::iterator iter,
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const CirclableRefListPtr& list) {
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ADT_CHECK(!weak_ref_iter_.has_value());
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ADT_CHECK(!circlable_ref_list_weak_ptr_.has_value());
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weak_ref_iter_ = iter;
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circlable_ref_list_weak_ptr_ = list;
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return adt::Ok{};
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}
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void ClearIterAndRef() {
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weak_ref_iter_ = std::nullopt;
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circlable_ref_list_weak_ptr_ = std::nullopt;
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ClearRef();
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}
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protected:
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CirclableRefImplBase() = default;
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std::optional<WeakRefList::iterator> weak_ref_iter_;
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std::optional<CirclableRefListPtr> circlable_ref_list_weak_ptr_;
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};
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} // namespace ap::memory
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