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tdlib-fork/tdactor/td/actor/MultiPromise.cpp

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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "td/actor/MultiPromise.h"
namespace td {
void MultiPromiseActor::add_promise(Promise<Unit> &&promise) {
promises_.emplace_back(std::move(promise));
}
Promise<Unit> MultiPromiseActor::get_promise() {
if (empty()) {
register_actor(name_, this).release();
}
CHECK(!promises_.empty());
PromiseActor<Unit> promise;
FutureActor<Unit> future;
init_promise_future(&promise, &future);
future.set_event(EventCreator::raw(actor_id(), nullptr));
futures_.emplace_back(std::move(future));
return PromiseCreator::from_promise_actor(std::move(promise));
}
void MultiPromiseActor::raw_event(const Event::Raw &event) {
received_results_++;
if (received_results_ == futures_.size()) {
if (!ignore_errors_) {
for (auto &future : futures_) {
auto result = future.move_as_result();
if (result.is_error()) {
return set_result(result.move_as_error());
}
}
}
return set_result(Unit());
}
}
void MultiPromiseActor::set_ignore_errors(bool ignore_errors) {
ignore_errors_ = ignore_errors;
}
void MultiPromiseActor::set_result(Result<Unit> &&result) {
// MultiPromiseActor should be cleared before he begins to send out result
auto promises_copy = std::move(promises_);
promises_.clear();
auto futures_copy = std::move(futures_);
futures_.clear();
received_results_ = 0;
stop();
if (!promises_copy.empty()) {
for (size_t i = 0; i + 1 < promises_copy.size(); i++) {
promises_copy[i].set_result(result.clone());
}
promises_copy.back().set_result(std::move(result));
}
}
size_t MultiPromiseActor::promise_count() const {
return promises_.size();
}
void MultiPromiseActorSafe::add_promise(Promise<Unit> &&promise) {
multi_promise_->add_promise(std::move(promise));
}
Promise<Unit> MultiPromiseActorSafe::get_promise() {
return multi_promise_->get_promise();
}
void MultiPromiseActorSafe::set_ignore_errors(bool ignore_errors) {
multi_promise_->set_ignore_errors(ignore_errors);
}
size_t MultiPromiseActorSafe::promise_count() const {
return multi_promise_->promise_count();
}
MultiPromiseActorSafe::~MultiPromiseActorSafe() {
if (!multi_promise_->empty()) {
register_existing_actor(std::move(multi_promise_)).release();
}
}
} // namespace td