mirror of
https://github.com/kidfromjupiter/nearby.git
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Alexey Polyudov
4baa1ce96a
Signed-off-by: Alexey Polyudov <apolyudov@google.com> Change-Id: Ie19e006429b138b3768e97dae971a43fdc5ef8bf
46 lines
1.5 KiB
C++
46 lines
1.5 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_API_SETTABLE_FUTURE_DEF_H_
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#define PLATFORM_API_SETTABLE_FUTURE_DEF_H_
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#include "platform/api/listenable_future.h"
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#include "platform/exception.h"
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namespace location {
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namespace nearby {
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// A SettableFuture is a type of Future whose result can be set.
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//
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// https://google.github.io/guava/releases/20.0/api/docs/com/google/common/util/concurrent/SettableFuture.html
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//
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// Platform must implentent non-template static member functions
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// Ptr<SettableFuture<size_t>> CreateSettableFutureSizeT()
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// Ptr<SettableFuture<std::shared_ptr<void>>> CreateSettableFuturePtr()
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// in the location::nearby::platform::ImplementationPlatform class.
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template <typename T>
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class SettableFuture : public ListenableFuture<T> {
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public:
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~SettableFuture() override = default;
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virtual bool set(T value) = 0;
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virtual bool setException(Exception exception) = 0;
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};
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} // namespace nearby
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} // namespace location
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#endif // PLATFORM_API_SETTABLE_FUTURE_DEF_H_
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