103 lines
2.7 KiB
PHP
103 lines
2.7 KiB
PHP
<?php
|
|
|
|
/**
|
|
* Async constructor abstract class.
|
|
*
|
|
* This file is part of MadelineProto.
|
|
* MadelineProto is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
|
|
* MadelineProto is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
* See the GNU Affero General Public License for more details.
|
|
* You should have received a copy of the GNU General Public License along with MadelineProto.
|
|
* If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
* @author Daniil Gentili <daniil@daniil.it>
|
|
* @copyright 2016-2020 Daniil Gentili <daniil@daniil.it>
|
|
* @license https://opensource.org/licenses/AGPL-3.0 AGPLv3
|
|
*
|
|
* @link https://docs.madelineproto.xyz MadelineProto documentation
|
|
*/
|
|
|
|
namespace danog\MadelineProto\Async;
|
|
|
|
use Amp\Promise;
|
|
use danog\MadelineProto\Tools;
|
|
|
|
/**
|
|
* Async constructor class.
|
|
*
|
|
* Manages asynchronous construction and wakeup of classes
|
|
*
|
|
* @author Daniil Gentili <daniil@daniil.it>
|
|
*/
|
|
class AsyncConstruct
|
|
{
|
|
/**
|
|
* Async init promise.
|
|
*
|
|
* @var Promise|null|boolean
|
|
*/
|
|
private $asyncInitPromise;
|
|
/**
|
|
* Blockingly init.
|
|
*
|
|
* @return void
|
|
*/
|
|
public function init(): void
|
|
{
|
|
if ($this->asyncInitPromise) {
|
|
Tools::wait($this->asyncInitPromise);
|
|
}
|
|
}
|
|
/**
|
|
* Asynchronously init.
|
|
*
|
|
* @return \Generator
|
|
*/
|
|
public function initAsynchronously(): \Generator
|
|
{
|
|
if ($this->asyncInitPromise) {
|
|
yield $this->asyncInitPromise;
|
|
}
|
|
}
|
|
/**
|
|
* Check if we've already inited.
|
|
*
|
|
* @return boolean
|
|
*/
|
|
public function inited(): bool
|
|
{
|
|
return !$this->asyncInitPromise;
|
|
}
|
|
/**
|
|
* Mark instance as (de)inited forcefully.
|
|
*
|
|
* @param boolean $inited Whether to mark the instance as inited or deinited
|
|
*
|
|
* @return void
|
|
*/
|
|
public function forceInit(bool $inited): void
|
|
{
|
|
$this->asyncInitPromise = $inited ? null : true;
|
|
}
|
|
/**
|
|
* Set init promise.
|
|
*
|
|
* @param Promise|\Generator $promise Promise
|
|
*
|
|
* @internal
|
|
*
|
|
* @return void
|
|
*/
|
|
public function setInitPromise($promise): void
|
|
{
|
|
$this->asyncInitPromise = Tools::call($promise);
|
|
$this->asyncInitPromise->onResolve(
|
|
function (?\Throwable $error, $result): void {
|
|
if (!$error) {
|
|
$this->asyncInitPromise = null;
|
|
}
|
|
}
|
|
);
|
|
}
|
|
}
|