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66 lines
1.8 KiB
C++
66 lines
1.8 KiB
C++
/*
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This file is part of TON Blockchain Library.
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TON Blockchain Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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TON Blockchain Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with TON Blockchain Library. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2017-2019 Telegram Systems LLP
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*/
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#pragma once
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#include "td/actor/PromiseFuture.h"
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namespace td {
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namespace detail {
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class MultiPromiseImpl;
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}
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class MultiPromise {
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using Impl = detail::MultiPromiseImpl;
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public:
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struct Options {
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Options() {
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}
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bool ignore_errors{false};
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};
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explicit MultiPromise(Options options = Options{}) : options_(options) {
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}
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struct InitGuard {
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public:
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InitGuard() = default;
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InitGuard(std::shared_ptr<Impl> impl) : impl_(std::move(impl)) {
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}
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InitGuard(InitGuard &&other) = default;
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InitGuard &operator=(InitGuard &&other) = default;
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InitGuard(const InitGuard &other) = delete;
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InitGuard &operator=(const InitGuard &other) = delete;
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void add_promise(Promise<> promise);
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Promise<> get_promise();
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bool empty() const;
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explicit operator bool() const;
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private:
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std::shared_ptr<Impl> impl_;
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};
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TD_WARN_UNUSED_RESULT InitGuard init_guard();
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TD_WARN_UNUSED_RESULT InitGuard add_promise_or_init(Promise<> promise);
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private:
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Options options_;
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std::weak_ptr<Impl> impl_;
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};
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} // namespace td
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