/**
* Build the specification for an edge operation, and possibly build its
* inverse as well.
*
* @task internal
*/
private function buildEdgeSpecs($src, $type, $dst, array $options = array())
{
$data = array();
if (!empty($options['data'])) {
$data['data'] = $options['data'];
}
$src_type = phid_get_type($src);
$dst_type = phid_get_type($dst);
$specs = array();
$specs[] = array('src' => $src, 'src_type' => $src_type, 'dst' => $dst, 'dst_type' => $dst_type, 'type' => $type, 'data' => $data);
$inverse = PhabricatorEdgeConfig::getInverse($type);
if ($inverse) {
// If `inverse_data` is set, overwrite the edge data. Normally, just
// write the same data to the inverse edge.
if (array_key_exists('inverse_data', $options)) {
$data['data'] = $options['inverse_data'];
}
$specs[] = array('src' => $dst, 'src_type' => $dst_type, 'dst' => $src, 'dst_type' => $src_type, 'type' => $inverse, 'data' => $data);
}
return $specs;
}
