boolean function ( ) { return this . lock == false ; }
checks whether the loading is complete . concode_field_sep Image image concode_elem_sep Log LOGGER concode_elem_sep long serialVersionUID concode_elem_sep long maxLoadTime concode_elem_sep long lastUpdate concode_elem_sep boolean lock concode_elem_sep long MAX_LOADTIME_DEFAULT concode_elem_sep boolean error concode_field_sep boolean imageUpdate concode_elem_sep boolean isError concode_elem_sep void waitImageLoaded