gets the rule day of month . when the date rule type is dow , the value is always 0 . concode_field_sep String[] MONSTR concode_elem_sep int DOW concode_elem_sep int DOW_GEQ_DOM concode_elem_sep int UTC_TIME concode_elem_sep int dateRuleType concode_elem_sep int DOW_LEQ_DOM concode_elem_sep int WALL_TIME concode_elem_sep int timeRuleType concode_elem_sep String[] DOWSTR concode_elem_sep int millisInDay concode_elem_sep int dayOfWeek concode_elem_sep int month concode_elem_sep int weekInMonth concode_elem_sep int dayOfMonth concode_elem_sep int DOM concode_elem_sep long serialVersionUID concode_elem_sep int STANDARD_TIME concode_field_sep int getRuleDayOfWeek concode_elem_sep int getRuleMonth concode_elem_sep int getRuleMillisInDay concode_elem_sep int getTimeRuleType concode_elem_sep int getDateRuleType concode_elem_sep String toString concode_elem_sep int getRuleWeekInMonth
int function ( ) { return dayOfMonth ; }