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<?php |
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namespace NokitaKaze\Queue; |
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class Queue extends AbstractQueueTransport { |
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const ProducerThreadCount = 5; |
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const DefaultDBFileCount = 10; |
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const DefaultMessageFolderSubfolderCount = 10; |
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const StorageTemporary = 0; |
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const StoragePersistent = 1; |
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/** |
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* @var QueueTransport |
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*/ |
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protected $_general_queue = null; |
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/** |
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* @var QueueTransport[] |
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*/ |
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protected $_additional_queue = []; |
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/** |
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* @var GeneralQueueConstructionSettings|object $_settings |
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*/ |
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protected $_settings = null; |
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/** |
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* SmartQueue constructor. |
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* |
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* @param GeneralQueueConstructionSettings|object $settings |
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* |
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* @throws QueueException |
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*/ |
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function __construct($settings) { |
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$this->_settings = $settings; |
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foreach ($settings->queues as $queue_settings) { |
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/** |
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* @var string|QueueTransport $queue_class_name |
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* @var QueueTransport $queue |
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*/ |
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if (substr($queue_settings->class_name, 0, 1) == '\\') { |
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$queue_class_name = $queue_settings->class_name.'QueueTransport'; |
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} else { |
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$queue_class_name = __NAMESPACE__.'\\'.$queue_settings->class_name.'QueueTransport'; |
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} |
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$queue = new $queue_class_name($queue_settings); |
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if (isset($queue_settings->is_general) and $queue_settings->is_general) { |
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if (isset($this->_general_queue)) { |
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throw new QueueException('Two or more general queues'); |
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} |
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$this->_general_queue = $queue; |
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$this->_additional_queue[] = clone $queue; |
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} else { |
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$this->_additional_queue[] = $queue; |
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} |
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} |
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if (is_null($this->_general_queue)) { |
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throw new QueueException('Can not get general queue'); |
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} |
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// @todo дописать |
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} |
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/** |
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* @return string |
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*/ |
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static function generate_rnd_postfix() { |
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// mt_rand. **ДЁШЕВО** и сердито |
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return mt_rand(1000000, 9999999).mt_rand(1000000, 9999999); |
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// return RandomString::generate(6, RandomString::INCLUDE_NUMERIC | RandomString::INCLUDE_LOWER_LETTERS); |
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} |
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/** |
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* Формируем сообщение для очереди |
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* |
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* @param mixed $data |
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* @param string|null $name Название сообщения. Если null, то можно дублировать |
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* @param integer $sort |
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* |
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* @return iMessage|object |
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*/ |
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static function build_message($data, $name = null, $sort = 5) { |
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return (object) [ |
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'name' => is_null($name) ? null : (string) $name, |
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'data' => $data, |
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'time_created' => microtime(true), |
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'time_rnd_postfix' => is_null($name) ? static::generate_rnd_postfix() : null, |
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'time_last_update' => microtime(true), |
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'sort' => min(max($sort, 0), self::DefaultDBFileCount - 1), |
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'is_read' => false, |
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]; |
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} |
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/** |
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* @param iMessage|object $object |
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* |
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* @return iMessage|object |
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* @throws QueueException |
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*/ |
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static function sanify_event_object($object) { |
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$ret = clone $object; |
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/** @noinspection PhpParamsInspection */ |
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if (!array_key_exists('name', $ret)) { |
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$ret->name = null; |
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} |
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/** @noinspection PhpParamsInspection */ |
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if (!array_key_exists('data', $ret)) { |
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throw new QueueException('Datum does not have field data', 12); |
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} |
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if (!isset($ret->sort)) { |
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$ret->sort = 5; |
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} else { |
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$ret->sort = min(max($ret->sort, 0), Queue::DefaultDBFileCount - 1); |
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} |
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return $ret; |
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} |
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/** |
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* Cloning sub queues |
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*/ |
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function __clone() { |
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parent::__clone(); |
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$this->_general_queue = clone $this->_general_queue; |
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foreach ($this->_additional_queue as &$sub_queue) { |
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$sub_queue = clone $sub_queue; |
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} |
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} |
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/** |
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* implements Transport |
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*/ |
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/** |
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* @param iMessage|object $message |
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* |
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* @return string |
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*/ |
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static function get_real_key_for_message($message) { |
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return !is_null($message->name) |
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? $message->name |
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: sprintf('_%s%s', |
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number_format($message->time_created, 7, '.', ''), |
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isset($message->time_rnd_postfix) ? '_'.$message->time_rnd_postfix : '' |
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); |
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} |
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function get_queue_name() { |
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return $this->_settings->name; |
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} |
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static function is_support_sorted_events() { |
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return false; |
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} |
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function produce_message($data, $name = null, $sort = 5) { |
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$this->set_same_time_flag(1); |
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$this->_general_queue->produce_message($data, $name, $sort); |
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} |
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function save() { |
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$this->set_same_time_flag(1); |
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$this->_general_queue->push($this->_pushed_for_save); |
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$this->_pushed_for_save = []; |
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$this->_general_queue->save(); |
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} |
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function set_exclusive_mode($mode) { |
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$this->_general_queue->set_exclusive_mode($mode); |
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foreach ($this->_additional_queue as $queue) { |
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$queue->set_exclusive_mode($mode); |
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} |
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} |
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/** |
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* @var iMessage[]|object[] |
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*/ |
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protected $_next_messages = []; |
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function consume_next_message($wait_time = -1) { |
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$this->set_same_time_flag(2); |
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if (!empty($this->_next_messages)) { |
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return array_shift($this->_next_messages); |
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} |
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$ts_start = microtime(true); |
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$till_time = $ts_start + $wait_time; |
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$first_run = false; |
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do { |
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if ($first_run) { |
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usleep($this->_settings->sleep_time_while_consuming * 1000000); |
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} else { |
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$first_run = true; |
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} |
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$messages = []; |
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foreach ($this->_additional_queue as $queue) { |
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while ($message = $queue->consume_next_message(0)) { |
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$key = self::get_real_key_for_message($message); |
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if (isset($this->_consumed_keys[$key])) { |
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continue; |
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} |
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$message->is_read = true; |
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$messages[] = $message; |
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$this->_consumed_keys[$key] = 1; |
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} |
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if (!empty($messages)) { |
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$this->_next_messages = $messages; |
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if (!$queue->is_equal_to($this->_general_queue)) { |
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$this->_general_queue->push($messages); |
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$this->_general_queue->save(); |
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$queue->delete_messages($messages); |
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} |
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return array_shift($this->_next_messages); |
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} |
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} |
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unset($message, $key, $queue); |
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} while (($wait_time == -1) or (microtime(true) <= $till_time)); |
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return null; |
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} |
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/** |
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* Обновляем сообщение и сразу же сохраняем всё |
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* |
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* Эта функция не рейзит ошибку, если сообщение не найдено |
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* |
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* @param iMessage|object $message |
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* @param string|null $key форсированно задаём ключ сообщения |
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* |
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* @return boolean |
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*/ |
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function update_message($message, $key = null) { |
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$this_key = !is_null($key) ? $key : self::get_real_key_for_message($message); |
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foreach ($this->_next_messages as $exists_message) { |
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if (self::get_real_key_for_message($exists_message) == $this_key) { |
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$exists_message->data = $message->data; |
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$exists_message->time_last_update = microtime(true); |
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break; |
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} |
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} |
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return $this->_general_queue->update_message($message, $key); |
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} |
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function clear_consumed_keys() { |
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$this->_consumed_keys = []; |
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foreach ($this->_additional_queue as $queue) { |
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$queue->clear_consumed_keys(); |
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} |
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} |
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/** |
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* Удалить сообщения и сразу же записать это в БД |
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* |
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* @param iMessage[]|object[] $messages |
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* |
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* @return string[]|integer[] |
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*/ |
263
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function delete_messages(array $messages) { |
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$deleted_keys = []; |
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136 |
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foreach ($this->_additional_queue as $queue) { |
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$deleted_keys = array_merge($deleted_keys, $queue->delete_messages($messages)); |
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} |
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return array_unique($deleted_keys); |
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} |
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/** |
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* @param Queue $queue |
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* |
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* @return boolean |
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*/ |
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function is_equal_to($queue) { |
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if (spl_object_hash($this) == spl_object_hash($queue)) { |
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return true; |
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} |
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if (!parent::is_equal_to($queue)) { |
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return false; |
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} |
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4 |
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if (!$this->_general_queue->is_equal_to($queue->_general_queue)) { |
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return false; |
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} |
287
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4 |
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foreach ($this->_additional_queue as $i => $sub_queue) { |
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if (!$sub_queue->is_equal_to($queue->_additional_queue[$i])) { |
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return false; |
290
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} |
291
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1 |
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} |
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293
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return true; |
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} |
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/** |
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* @param mixed $data |
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* |
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* @return string |
300
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*/ |
301
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static function serialize($data) { |
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return \serialize($data); |
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} |
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/** |
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* @param string $string |
307
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* @param boolean $is_valid |
308
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* |
309
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* @return mixed |
310
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*/ |
311
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static function unserialize($string, &$is_valid) { |
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312
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return @\unserialize($string); |
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} |
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} |
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?> |
Adding explicit visibility (
private
,protected
, orpublic
) is generally recommend to communicate to other developers how, and from where this method is intended to be used.