function run()
{
$cache = new FileCache();
$box = $cache->get(self::TWITTER_CRAWL_KEY);
if (!is_array($box)) {
$box = array();
}
$api = new TwitterApi(HIDETOBARA_OAUTH_KEY, HIDETOBARA_OAUTH_SECRET);
$a = $api->getHomeTimeline($box);
$storage = new TwitterStorage();
$storage->retrieveStatus($a);
$storage->saveStatusByDate(LOG_DIR . "status/");
$box = $storage->updateUserCache($box);
$cache->set(self::TWITTER_CRAWL_KEY, $box);
}
