/**
* @param PromiseInterface $promise
* @return bool
*/
public function reject(PromiseInterface $promise)
{
if ($this->isSettled($promise)) {
throw new \LogicException("Settled promises can't be rejected");
}
$this->connection->execute('UPDATE ' . self::PROMISES_TABLE_NAME . ' SET `settlement` = ?, `settled_at` = UTC_TIMESTAMP() WHERE `signature` = ?', PromiseInterface::REJECTED, $promise->getSignature());
if ($this->connection->affectedRows()) {
if ($this->log) {
$this->log->info('Promise {promise_id} rejected', ['promise_id' => $promise->getSignature()]);
}
} else {
if ($this->log) {
$this->log->error('Promise {promise_id} not found', ['promise_id' => $promise->getSignature()]);
}
throw new InvalidArgumentException("Promise '{$promise->getSignature()}' not found");
}
}
/**
* Reserve next job ID.
*
* @param array|null $from_channels
* @return int|null
*/
public function reserveNextJob(array $from_channels = null)
{
$timestamp = date('Y-m-d H:i:s');
$channel_conditions = empty($from_channels) ? '' : $this->connection->prepareConditions(['`channel` IN ? AND ', $from_channels]);
if ($job_ids = $this->connection->executeFirstColumn('SELECT `id` FROM `' . self::JOBS_TABLE_NAME . "` WHERE {$channel_conditions}`reserved_at` IS NULL AND `available_at` <= ? ORDER BY `priority` DESC, `id` LIMIT 0, 100", $timestamp)) {
foreach ($job_ids as $job_id) {
$reservation_key = $this->prepareNewReservationKey();
if ($this->on_reservation_key_ready) {
call_user_func($this->on_reservation_key_ready, $job_id, $reservation_key);
}
$this->connection->execute('UPDATE `' . self::JOBS_TABLE_NAME . '` SET `reservation_key` = ?, `reserved_at` = ? WHERE `id` = ? AND `reservation_key` IS NULL', $reservation_key, $timestamp, $job_id);
if ($this->connection->affectedRows() === 1) {
return $job_id;
}
}
}
return null;
}
