function blowCache($blowLast = false)
{
self::blow('notice_tag:notice_ids:%s', common_keyize($this->tag));
if ($blowLast) {
self::blow('notice_tag:notice_ids:%s;last', common_keyize($this->tag));
}
}
/**
* Create a cache key from input text
*
* Builds a cache key from input text. Helps to namespace
* the cache area (if shared with other applications or sites)
* and prevent conflicts.
*
* @param string $extra the real part of the key
*
* @return string full key
*/
static function key($extra)
{
$base_key = common_config('cache', 'base');
if (empty($base_key)) {
$base_key = common_keyize(common_config('site', 'name'));
}
return 'statusnet:' . $base_key . ':' . $extra;
}
static function getStream($tag, $offset = 0, $limit = 20)
{
$qry = 'SELECT notice.* ' . 'FROM notice JOIN notice_tag ON notice.id = notice_tag.notice_id ' . "WHERE notice_tag.tag = '%s' ";
return Notice::getStream(sprintf($qry, $tag), 'notice_tag:notice_stream:' . common_keyize($tag), $offset, $limit);
}
static function cachedQuery($cls, $qry, $expiry = 3600)
{
$c = Memcached_DataObject::memcache();
if (!$c) {
$inst = new $cls();
$inst->query($qry);
return $inst;
}
$key_part = common_keyize($cls) . ':' . md5($qry);
$ckey = common_cache_key($key_part);
$stored = $c->get($ckey);
if ($stored) {
return new ArrayWrapper($stored);
}
$inst = new $cls();
$inst->query($qry);
$cached = array();
while ($inst->fetch()) {
$cached[] = clone $inst;
}
$inst->free();
$c->set($ckey, $cached, MEMCACHE_COMPRESSED, $expiry);
return new ArrayWrapper($cached);
}
function clearTags()
{
$tag = new Notice_tag();
$tag->notice_id = $this->id;
if ($tag->find()) {
while ($tag->fetch()) {
self::blow('profile:notice_ids_tagged:%d:%s', $this->profile_id, common_keyize($tag->tag));
self::blow('profile:notice_ids_tagged:%d:%s;last', $this->profile_id, common_keyize($tag->tag));
self::blow('notice_tag:notice_ids:%s', common_keyize($tag->tag));
self::blow('notice_tag:notice_ids:%s;last', common_keyize($tag->tag));
$tag->delete();
}
}
$tag->free();
}
function common_cache_key($extra)
{
return 'laconica:' . common_keyize(common_config('site', 'name')) . ':' . $extra;
}
function cacheKey($attrs)
{
$key = 'geonames:' . implode(',', array_keys($attrs)) . ':' . common_keyize(implode(',', array_values($attrs)));
if ($this->cachePrefix) {
return $this->cachePrefix . ':' . $key;
} else {
return common_cache_key($key);
}
}