suddenly stops the executor service and clear instantiated visitors . concode_field_sep GetMapRequest request concode_elem_sep String aparam concode_elem_sep String avalue concode_elem_sep WMS wmsConfiguration concode_elem_sep int framesNumber concode_elem_sep String GIF_FORMAT concode_elem_sep WebMapService wms concode_elem_sep List<Future<RenderedImage>> tasks concode_field_sep RenderedImage call concode_elem_sep GetMapRequest replaceRequestParams concode_elem_sep void visit concode_elem_sep RenderedImageList produce concode_elem_sep long getImageSizeInBytes concode_elem_sep String mergeParams
void function ( ) { this . framesNumber = 0 ; if ( this . tasks != null ) this . tasks . clear ( ) ; this . tasks = null ; }