// requires synchronization between host platform and db.
public List<Host> loadFromPlatform() {
List<Host> hosts = adapter.getHosts();
List<Engine> engines = adapter.bindEngineAndHost(engineService.getAllEngines(), hosts);
_pm.beginTransaction();
engines.stream().forEach(e -> _pm.exec(e, HibernateEngine.DB_UPDATE));
hosts.stream().forEach(h -> _pm.exec(h, HibernateEngine.DB_UPDATE));
_pm.commit();
return hosts;
}
public void reloadHosts() {
adapter.getHosts();
}