mirror of
https://github.com/kidfromjupiter/nearby.git
synced 2026-09-14 22:56:12 -04:00
Alexey Polyudov
de31c27947
Signed-off-by: Alexey Polyudov <apolyudov@google.com> Change-Id: I85d490e448375aa4eb7b09680757c02fff1420b4
45 lines
1.3 KiB
C++
45 lines
1.3 KiB
C++
// Copyright 2020 Google LLC
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// https://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#ifndef PLATFORM_API2_FUTURE_H_
|
|
#define PLATFORM_API2_FUTURE_H_
|
|
|
|
#include "platform/exception.h"
|
|
#include "absl/time/time.h"
|
|
|
|
namespace location {
|
|
namespace nearby {
|
|
|
|
// A Future represents the result of an asynchronous computation.
|
|
//
|
|
// https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/Future.html
|
|
template <typename T>
|
|
class Future {
|
|
public:
|
|
virtual ~Future() = default;
|
|
|
|
// throws Exception::kInterrupted, Exception::kExecution
|
|
virtual ExceptionOr<T> Get() = 0;
|
|
|
|
// throws Exception::kInterrupted, Exception::kExecution
|
|
// throws Exception::kTimeout if timeout is exceeded while waiting for
|
|
// result.
|
|
virtual ExceptionOr<T> Get(absl::Duration timeout) = 0;
|
|
};
|
|
|
|
} // namespace nearby
|
|
} // namespace location
|
|
|
|
#endif // PLATFORM_API2_FUTURE_H_
|