wehub-resource-sync
64 lines
2.0 KiB
C++
64 lines
2.0 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 "paddle/ap/include/adt/adt.h"
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#include "paddle/ap/include/memory/circlable_ref_impl.h"
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#include "paddle/ap/include/memory/circlable_ref_list.h"
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namespace ap::memory {
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template <typename Derived, typename T>
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class CirclableRef {
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public:
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CirclableRef(const CirclableRef&) = default;
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CirclableRef(CirclableRef&&) = default;
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explicit CirclableRef(const std::shared_ptr<CirclableRefImpl<T>>& impl)
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: impl_(impl) {}
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CirclableRef& operator=(const CirclableRef&) = default;
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CirclableRef& operator=(CirclableRef&&) = default;
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explicit operator bool() const { return impl_->operator bool(); }
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adt::Result<const T*> Get() const { return impl_->Get(); }
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adt::Result<T*> Mut() const { return impl_->Mut(); }
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adt::Result<std::shared_ptr<T>> shared_ptr() const {
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ADT_CHECK(this->operator bool());
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return impl_->shared_ptr();
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}
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bool operator==(const CirclableRef& other) const {
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return this->impl_ == other.impl_;
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}
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static Derived Make(const std::shared_ptr<CirclableRefListBase>& ref_list,
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const std::shared_ptr<T>& obj) {
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auto impl = std::make_shared<CirclableRefImpl<T>>(obj);
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auto iter = ref_list->AddWeakRef(impl);
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const auto& ok = impl->InitWeakRefIterAndList(iter, ref_list);
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(void)ok;
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return Derived(impl);
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}
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protected:
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T* raw_ptr() const { return impl_->shared_ptr().get(); }
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std::shared_ptr<CirclableRefImpl<T>> impl_;
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};
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} // namespace ap::memory
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