mirror of
https://github.com/kidfromjupiter/nearby.git
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Alexey Polyudov
ae1c427b99
Signed-off-by: Alexey Polyudov <apolyudov@google.com> Change-Id: I8936b527079074d5c3af5531b9245063767cc4a7
43 lines
1.3 KiB
C++
43 lines
1.3 KiB
C++
#ifndef PLATFORM_API_SUBMITTABLE_EXECUTOR_H_
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#define PLATFORM_API_SUBMITTABLE_EXECUTOR_H_
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#include <functional>
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#include "platform/api/executor.h"
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#include "platform/api/future.h"
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#include "platform/api/platform.h"
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#include "platform/api/settable_future.h"
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#include "platform/api/submittable_executor_def.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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// "Common" part of implementation.
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// Placed here for textual compatibility to minimize scope of changes.
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// Can be (and should be) moved to a separate file outside "api" folder.
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// TODO(apolyudov): for API v2.0
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template <typename T>
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Ptr<Future<T>> SubmittableExecutor::submit(Ptr<Callable<T>> callable) {
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using Platform = platform::ImplementationPlatform;
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Ptr<SettableFuture<T>> future{Platform::createSettableFuture<T>()};
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bool submitted = DoSubmit([callable, future]() {
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ExceptionOr<T> result = callable->call();
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if (result.ok()) {
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future->set(std::move(result.result()));
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} else {
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future->setException({result.exception()});
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}
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});
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if (!submitted) {
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// Raise Exception::kExecution if we are shutting down.
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future->setException({Exception::kExecution});
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}
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return future;
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}
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} // namespace nearby
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} // namespace location
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#endif // PLATFORM_API_SUBMITTABLE_EXECUTOR_H_
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