// ===============================================================
 public void manageTangoHostProperties(TangoHost[] hosts) {
   try {
     String starters = AstorUtil.getStarterDeviceHeader() + "%";
     MySqlUtil mysql = MySqlUtil.getInstance();
     ArrayList<String[]> collections = mysql.getHostProperty(starters, "HostCollection");
     ArrayList<String[]> host_usage = mysql.getHostProperty(starters, "HostUsage");
     ArrayList<String[]> use_evt = mysql.getHostProperty(starters, "UseEvents");
     for (TangoHost host : hosts) {
       String devname = host.get_name();
       for (String[] collection : collections)
         if (devname.equals(collection[0])) host.collection = collection[1];
       for (String[] usage : host_usage) if (devname.equals(usage[0])) host.usage = usage[1];
       for (String[] use : use_evt)
         if (devname.equals(use[0]))
           host.manageNotifd = (use[1].equals("true") || use[1].equals("1"));
     }
   } catch (DevFailed e) {
     ErrorPane.showErrorMessage(new JFrame(), null, e);
   }
 }