DennisOluoch / JMSJobQueueBundle

        switch ($this->state) {

            case self::STATE_NEW:

                if (!in_array($newState, array(self::STATE_PENDING, self::STATE_CANCELED), true)) {

                    throw new InvalidStateTransitionException($this, $newState, array(self::STATE_PENDING, self::STATE_CANCELED));

                }

                if (self::STATE_CANCELED === $newState) {

                    $this->closedAt = new \DateTime();

                break;

            case self::STATE_PENDING:

                if (!in_array($newState, array(self::STATE_RUNNING, self::STATE_CANCELED), true)) {

                    throw new InvalidStateTransitionException($this, $newState, array(self::STATE_RUNNING, self::STATE_CANCELED));

                }

                if ($newState === self::STATE_RUNNING) {

                    $this->startedAt = new \DateTime();