izzum\statemachine\persistence\PDO::getTransitions PHP Метод

    public function getTransitions($machine)
    {
        $connection = $this->getConnection();
        $prefix = $this->getPrefix();
        $query = 'SELECT st.machine, 
                        st.state_from AS state_from, st.state_to AS state_to, 
                        st.rule, st.command,
                        ss_to.type AS state_to_type, 
        				ss_to.exit_command as state_to_exit_command,
        				ss_to.entry_command as state_to_entry_command, 
        				ss.type AS state_from_type, 
        				ss.exit_command as state_from_exit_command,
        				ss.entry_command as state_from_entry_command,
                        st.priority, 
                        ss.description AS state_from_description,
                        ss_to.description AS state_to_description,
                        st.description AS transition_description,
        				st.event
                    FROM  ' . $prefix . 'statemachine_transitions AS st
                    LEFT JOIN
                        ' . $prefix . 'statemachine_states AS ss
                        ON (st.state_from = ss.state AND st.machine = ss.machine)
                    LEFT JOIN
                        ' . $prefix . 'statemachine_states AS ss_to
                        ON (st.state_to = ss_to.state AND st.machine = ss_to.machine)
                    WHERE
                        st.machine = :machine
                    ORDER BY 
                        st.state_from ASC, st.priority ASC, st.state_to ASC';
        try {
            $statement = $connection->prepare($query);
            $statement->bindParam(":machine", $machine);
            $result = $statement->execute();
            if ($result === false) {
                throw new Exception($this->getErrorInfo($statement));
            }
            $rows = $statement->fetchAll();
        } catch (\Exception $e) {
            throw new Exception($e->getMessage(), Exception::PERSISTENCE_LAYER_EXCEPTION, $e);
        }
        return $rows;
    }