Files
nearby/cpp/platform/api2/future.h
T
Alexey Polyudov d455926d89 nearby: snapshot of cl/304428753
Signed-off-by: Alexey Polyudov <apolyudov@google.com>
Change-Id: I0023ac6e40456fc4a8169c3173bcbff3b5ccc476
2020-04-04 12:54:05 -07:00

31 lines
779 B
C++

#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_