91 lines
2.5 KiB
C++
91 lines
2.5 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2017
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#include "td/actor/MultiPromise.h"
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namespace td {
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void MultiPromiseActor::add_promise(Promise<Unit> &&promise) {
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promises_.emplace_back(std::move(promise));
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}
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Promise<Unit> MultiPromiseActor::get_promise() {
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if (empty()) {
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register_actor("MultiPromise", this).release();
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}
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CHECK(!promises_.empty());
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PromiseActor<Unit> promise;
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FutureActor<Unit> future;
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init_promise_future(&promise, &future);
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future.set_event(EventCreator::raw(actor_id(), nullptr));
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futures_.emplace_back(std::move(future));
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return PromiseCreator::from_promise_actor(std::move(promise));
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}
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void MultiPromiseActor::raw_event(const Event::Raw &event) {
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received_results_++;
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if (received_results_ == futures_.size()) {
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if (!ignore_errors_) {
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for (auto &future : futures_) {
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auto result = future.move_as_result();
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if (result.is_error()) {
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return set_result(result.move_as_error());
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}
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}
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}
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return set_result(Unit());
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}
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}
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void MultiPromiseActor::set_ignore_errors(bool ignore_errors) {
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ignore_errors_ = ignore_errors;
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}
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void MultiPromiseActor::set_result(Result<Unit> &&result) {
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// MultiPromiseActor should be cleared before he begins to send out result
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auto promises_copy = std::move(promises_);
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promises_.clear();
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auto futures_copy = std::move(futures_);
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futures_.clear();
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received_results_ = 0;
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stop();
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if (!promises_copy.empty()) {
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for (size_t i = 0; i + 1 < promises_copy.size(); i++) {
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promises_copy[i].set_result(result.clone());
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}
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promises_copy.back().set_result(std::move(result));
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}
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}
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size_t MultiPromiseActor::promise_count() const {
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return promises_.size();
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}
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void MultiPromiseActorSafe::add_promise(Promise<Unit> &&promise) {
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multi_promise_->add_promise(std::move(promise));
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}
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Promise<Unit> MultiPromiseActorSafe::get_promise() {
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return multi_promise_->get_promise();
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}
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void MultiPromiseActorSafe::set_ignore_errors(bool ignore_errors) {
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multi_promise_->set_ignore_errors(ignore_errors);
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}
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size_t MultiPromiseActorSafe::promise_count() const {
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return multi_promise_->promise_count();
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}
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MultiPromiseActorSafe::~MultiPromiseActorSafe() {
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if (!multi_promise_->empty()) {
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register_existing_actor(std::move(multi_promise_)).release();
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}
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}
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} // namespace td
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