void function ( ) { if ( ! running ) throw new IllegalStateException ( ) ; }
checks if this task has been stopped and throws an exception if so . concode_field_sep int delay concode_elem_sep boolean immediate concode_elem_sep int countdown concode_elem_sep boolean running concode_field_sep boolean isStopped concode_elem_sep void stop concode_elem_sep boolean isRunning concode_elem_sep boolean isImmediate concode_elem_sep boolean tick concode_elem_sep void checkDelay concode_elem_sep void execute concode_elem_sep void setDelay