load

(

$id

)

Load object and acquires lock.

                            {
    $lockname = $this->table . ' ' . $id;
    $times = 0;
    while (!lock_acquire($lockname)) {
      $times++;
      if ($times > 5) {
        throw new Exception(t('Impossible to get the database lock %lock', array('%lock' => $lockname)));
      }
      lock_wait($lockname);
    }
    return parent::load($id);
  }