mirror of
https://github.com/kidfromjupiter/nearby.git
synced 2026-09-15 07:06:11 -04:00
Alexey Polyudov
4baa1ce96a
Signed-off-by: Alexey Polyudov <apolyudov@google.com> Change-Id: Ie19e006429b138b3768e97dae971a43fdc5ef8bf
55 lines
1.9 KiB
C++
55 lines
1.9 KiB
C++
// Copyright 2020 Google LLC
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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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// https://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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#ifndef PLATFORM_V2_PUBLIC_ATOMIC_REFERENCE_H_
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#define PLATFORM_V2_PUBLIC_ATOMIC_REFERENCE_H_
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#include <memory>
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#include "platform_v2/api/atomic_reference.h"
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#include "platform_v2/api/platform.h"
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#include "absl/types/any.h"
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namespace location {
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namespace nearby {
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// An object reference that may be updated atomically.
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//
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// https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicReference.html
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template <typename T>
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class AtomicReference final : public api::AtomicReference<T> {
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public:
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using Platform = api::ImplementationPlatform;
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explicit AtomicReference(const T& value)
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: impl_(Platform::CreateAtomicReferenceAny(value)) {}
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explicit AtomicReference(T&& value)
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: impl_(Platform::CreateAtomicReferenceAny(std::move(value))) {}
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~AtomicReference() override = default;
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AtomicReference(AtomicReference&&) = default;
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AtomicReference& operator=(AtomicReference&&) = default;
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T Get() const& override { return absl::any_cast<T>(impl_->Get()); }
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T Get() && override { return absl::any_cast<T>(std::move(impl_->Get())); }
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void Set(const T& value) override { impl_->Set(absl::any(value)); }
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void Set(T&& value) override { impl_->Set(absl::any(value)); }
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private:
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std::unique_ptr<api::AtomicReference<absl::any>> impl_;
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};
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} // namespace nearby
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} // namespace location
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#endif // PLATFORM_V2_PUBLIC_ATOMIC_REFERENCE_H_
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