/**
* Get a list of all edge types which are being added, and which we should
* prevent cycles on.
*
* @return list<const> List of edge types which should have cycles prevented.
* @task cycle
*/
private function getPreventCyclesEdgeTypes()
{
$edge_types = array();
foreach ($this->addEdges as $edge) {
$edge_types[$edge['type']] = true;
}
foreach ($edge_types as $type => $ignored) {
if (!PhabricatorEdgeConfig::shouldPreventCycles($type)) {
unset($edge_types[$type]);
}
}
return array_keys($edge_types);
}
