X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=classes%2FQueue_item.php;h=c7e17be6e84556d56e9e55360e7aed483a274b1d;hb=d684a07fd93fe46c6195b0aeb56fcf01812ef60d;hp=e54b4976bdb5b5a5de4e1158c02e5837f64c7933;hpb=edbc0c665cc65875b4d14b79939233b1c9c06bb6;p=quix0rs-gnu-social.git diff --git a/classes/Queue_item.php b/classes/Queue_item.php index e54b4976bd..c7e17be6e8 100644 --- a/classes/Queue_item.php +++ b/classes/Queue_item.php @@ -4,41 +4,53 @@ */ require_once INSTALLDIR.'/classes/Memcached_DataObject.php'; -class Queue_item extends Memcached_DataObject +class Queue_item extends Memcached_DataObject { ###START_AUTOCODE /* the code below is auto generated do not remove the above tag */ public $__table = 'queue_item'; // table name - public $notice_id; // int(4) primary_key not_null - public $transport; // varchar(8) primary_key not_null + public $id; // int(4) primary_key not_null + public $frame; // blob not_null public $created; // datetime() not_null - public $claimed; // datetime() + public $claimed; // datetime() /* Static get */ - function staticGet($k,$v=NULL) { return Memcached_DataObject::staticGet('Queue_item',$k,$v); } + function staticGet($k,$v=null) + { return Memcached_DataObject::staticGet('Queue_item',$k,$v); } /* the code above is auto generated do not remove the tag below */ ###END_AUTOCODE - function sequenceKey() { return array(false, false); } - - static function top($transport) { + /** + * @param mixed $transports name of a single queue or array of queues to pull from + * If not specified, checks all queues in the system. + */ + static function top($transports=null) { $qi = new Queue_item(); - $qi->transport = $transport; + if ($transports) { + if (is_array($transports)) { + // @fixme use safer escaping + $list = implode("','", array_map('addslashes', $transports)); + $qi->whereAdd("transport in ('$list')"); + } else { + $qi->transport = $transports; + } + } $qi->orderBy('created'); - $qi->whereAdd('claimed is NULL'); + $qi->whereAdd('claimed is null'); $qi->limit(1); - $cnt = $qi->find(TRUE); + $cnt = $qi->find(true); if ($cnt) { # XXX: potential race condition - # can we force it to only update if claimed is still NULL + # can we force it to only update if claimed is still null # (or old)? - common_log(LOG_INFO, 'claiming queue item = ' . $qi->notice_id . ' for transport ' . $transport); + common_log(LOG_INFO, 'claiming queue item id = ' . $qi->id . + ' for transport ' . $qi->transport); $orig = clone($qi); $qi->claimed = common_sql_now(); $result = $qi->update($orig); @@ -49,7 +61,20 @@ class Queue_item extends Memcached_DataObject common_log(LOG_INFO, 'claim failed.'); } } - $qi = NULL; - return NULL; + $qi = null; + return null; + } + + /** + * Release a claimed item. + */ + function releaseCLaim() + { + // DB_DataObject doesn't let us save nulls right now + $sql = sprintf("UPDATE queue_item SET claimed=NULL WHERE id=%d", $this->id); + $this->query($sql); + + $this->claimed = null; + $this->encache(); } }