/**
* Processes the droplet queue.
* The queue processing involves extracting metadata from the droplets
* saving these to the database. The extracted metadata could be links,
* named entities, places
*
* @param string $channel Name of the channel whose droplets are to be processed
*/
public static function process($channel = NULL)
{
Kohana::$log->add(Log::INFO, "Post processing started");
Kohana::$log->write();
// If the queue is empty, fetch the unprocessed items from the DB
self::$_queue = empty(self::$_queue) ? Model_Droplet::get_unprocessed_droplets(1000, $channel) : array_reverse(self::$_queue);
// Process the items in the queue
while (!empty(self::$_queue)) {
// Pop that droplet!
$droplet = array_pop(self::$_queue);
// Submit the droplet to an extraction plugin
Swiftriver_Event::run('swiftriver.droplet.extract_metadata', $droplet);
// Add the droplet to the list of processed items
self::$_processed[] = $droplet;
// Mark the droplet as processed
Model_Droplet::create_from_array(array($droplet));
}
Kohana::$log->add(Log::INFO, "Post processing completed");
}
