The os_time_zone_rule class is the abstract base class of all time zone rules.

Destructor

~os_time_zone_rule()

Destructor.

bool operator<( const os_time_zone_rule& rule ) const

Returns true if this rule applies to a time range before rule' s time range.

adjustment

const os_time_period& adjustment() const

Returns the dst adjustment value for this rule.

end_point

void end_point( const os_calendar_date& point )

Sets the ending time and date for this rule to point .

end_point

const os_calendar_date& end_point() const

Returns the ending time and date for this rule.

end_year

os_year_t end_year() const

Returns the last year this rule is in effect. If zero, the rule does not expire.

end_year

void end_year( os_year_t year )

Sets the last year this rule is effective to year . If year is zero, the rule does not expire.

is_open_ended

bool is_open_ended() const

Returns true if the rule has no expiration year.

print

void print( ostream& stream ) const

Prints to stream .

start_point

const os_calendar_date& start_point() const

Returns the starting time and date for this rule.

start_point

void start_point( const os_calendar_date& point )

Sets the starting time and date for this rule to point .

start_year

void start_year( os_year_t year )

Sets the first year this rule is effective to year .

start_year

os_year_t start_year() const

Returns the first year this rule is in effect.

time_zone_rule