Runnable function ( ) { return this . runnable ; }
return the runnable to schedule as executor task . concode_field_sep Runnable runnable concode_elem_sep long period concode_elem_sep boolean fixedRate concode_elem_sep long delay concode_elem_sep TimeUnit timeUnit concode_field_sep boolean isFixedRate concode_elem_sep void setTimeUnit concode_elem_sep long getDelay concode_elem_sep boolean isOneTimeTask concode_elem_sep void setPeriod concode_elem_sep void setFixedRate concode_elem_sep void setRunnable concode_elem_sep void setDelay concode_elem_sep long getPeriod concode_elem_sep TimeUnit getTimeUnit