private function persistServersData()
{
if ($this->serversData) {
$this->rootModuleFileManager->setExtraKey(self::SERVERS_KEY, (object) $this->serversData);
} else {
$this->rootModuleFileManager->removeExtraKey(self::SERVERS_KEY);
}
}
private function persistInstallersData()
{
$data = array();
foreach ($this->rootInstallerDescriptors as $installerName => $installer) {
$data[$installerName] = $this->installerToData($installer);
}
if ($data) {
$this->rootModuleFileManager->setExtraKey(self::INSTALLERS_KEY, (object) $data);
} else {
$this->rootModuleFileManager->removeExtraKey(self::INSTALLERS_KEY);
}
}