/**
* Creates a diff from a set of triples to a set of troples
*
*
* @param Traversable $from
* @param Traversable $to
*/
public static function create(Traversable $from, Traversable $to)
{
$diff = new self();
foreach ($to as $triple) {
$diff->add($triple);
}
foreach ($from as $triple) {
$diff->remove($triple);
}
return $diff;
}
public static function byKey($_key, $_noRemove = false)
{
$values = array('key' => $_key);
$sql = 'SELECT ' . DB::buildField(__CLASS__) . '
FROM cache
WHERE `key`=:key';
$cache = DB::Prepare($sql, $values, DB::FETCH_TYPE_ROW, PDO::FETCH_CLASS, __CLASS__);
if (!is_object($cache)) {
$cache = new self();
$cache->setKey($_key);
$cache->setDatetime(date('Y-m-d H:i:s'));
$cache->_hasExpired = true;
} else {
if (!$_noRemove && $cache->hasExpired()) {
$cache->remove();
}
}
return $cache;
}
public static function removeIfExists($proUid)
{
$process = \ProcessPeer::retrieveByPK($proUid);
if ($process) {
$me = new self();
$me->proUid = $process->getProUid();
$me->remove();
}
}
public static function removeIfExists($prjUid)
{
$project = ProjectPeer::retrieveByPK($prjUid);
if ($project) {
$me = new self();
$me->prjUid = $project->getPrjUid();
$me->project = $project;
$me->remove();
}
}
