code: public DeviceInfo get_info(final DeviceProxy deviceProxy) throws DevFailed {
  		checkIfUseDb(deviceProxy, "get_info()");
  
  		if (deviceProxy.getDb_dev() == null) {
  	    	deviceProxy.setDb_dev(new DbDevice(deviceProxy.devname, deviceProxy.url.host,
  		    	deviceProxy.url.strPort));
  		}
  		// checkIfTango("import_device");
  		if (deviceProxy.url.protocol == TANGO) {
  	    	return deviceProxy.getDb_dev().get_info();
  		} else {
  	    	return null;
  		}
      }
docs: ==========================================================================