indexing
description: "Absolute temporal values composed of a date and a time"
legal: "See notice at end of class."
status: "See notice at end of class."
date: "$Date: 2006-01-22 18:25:44 -0800 (Sun, 22 Jan 2006) $"
revision: "$Revision: 56675 $"
access: date, time
class interface
DATE_TIME
create
make (y, mo, d, h, mi, s: INTEGER_32)
yearmonthday`y'`mo'`d'
hourminutesecond`h'`mi'`s'
require
correct_date_time: is_correct_date_time (y, mo, d, h, mi, s, False)
ensure
year_set: year = y
month_set: month = mo
day_set: day = d
hour_set: hour = h
minute_set: minute = mi
second_set: second = s
make_fine (y, mo, d, h, mi: INTEGER_32; s: REAL_64)
yearmonthday`y'`mo'`d'
hourminutesecond`h'`m'`s'
require
correct_date_time: is_correct_date_time (y, mo, d, h, mi, s, False)
ensure
year_set: year = y
month_set: month = mo
day_set: day = d
hour_set: hour = h
minute_set: minute = mi
second_set: fine_second = s
make_by_date_time (d: DATE; t: TIME)
date`d'time`t'
require
d_exists: d /= Void
t_exists: t /= Void
ensure
date_set: date = d
time_set: time = t
make_by_date (d: DATE)
date`d'time
require
d_exists: d /= Void
ensure
date_set: date = d
time_set: time.is_equal (time.origin)
make_now
make_now_utc
make_from_string (s: STRING_8; code: STRING_8)
`code'
require
s_exists: s /= Void
c_exists: code /= Void
date_time_valid: date_time_valid (s, code)
make_from_string_with_base (s: STRING_8; code: STRING_8; base: INTEGER_32)
`code'`base'
require
s_exists: s /= Void
c_exists: code /= Void
base_valid: base > 0 and (base \\ 100 = 0)
date_time_valid: date_time_valid_with_base (s, code, base)
make_from_string_default (s: STRING_8)
default_format_string
require
s_exists: s /= Void
date_time_valid: date_time_valid (s, default_format_string)
make_from_string_default_with_base (s: STRING_8; base: INTEGER_32)
default_format_string`base'
require
s_exists: s /= Void
base_valid: base > 0 and (base \\ 100 = 0)
date_time_valid: date_time_valid_with_base (s, default_format_string, base)
feature
date: DATE
date_default_format_string: STRING_8
DATE_CONSTANTS
date_duration: DATE_DURATION
date_time_tools: DATE_TIME_TOOLS
TIME_UTILITY
day: INTEGER_32
DATE_TIME_MEASUREMENT
require DATE_MEASUREMENT
True
ensure DATE_TIME_MEASUREMENT
same_day: Result = date.day
days: INTEGER_32
Origin
days_in_i_th_month (i, y: INTEGER_32): INTEGER_32
`i'`y'
DATE_CONSTANTS
require DATE_CONSTANTS
i_large_enough: i >= 1
i_small_enough: i <= months_in_year
days_in_leap_year: INTEGER_32 is 366
DATE_CONSTANTS
days_in_non_leap_year: INTEGER_32 is 365
DATE_CONSTANTS
days_in_week: INTEGER_32 is 7
DATE_CONSTANTS
days_text: ARRAY [STRING_8]
DATE_CONSTANTS
default_format_string: STRING_8
TIME_UTILITY
fine_second: REAL_64
DATE_TIME_MEASUREMENT
require TIME_MEASUREMENT
True
ensure DATE_TIME_MEASUREMENT
same_fine_second: Result = time.fine_second
generating_type: STRING_8
ANY
generator: STRING_8
ANY
hour: INTEGER_32
DATE_TIME_MEASUREMENT
require TIME_MEASUREMENT
True
ensure DATE_TIME_MEASUREMENT
same_hour: Result = time.hour
hours_in_day: INTEGER_32 is 24
TIME_CONSTANTS
long_days_text: ARRAY [STRING_8]
DATE_CONSTANTS
long_months_text: ARRAY [STRING_8]
DATE_CONSTANTS
max_weeks_in_year: INTEGER_32 is 53
DATE_CONSTANTS
minute: INTEGER_32
DATE_TIME_MEASUREMENT
require TIME_MEASUREMENT
True
ensure DATE_TIME_MEASUREMENT
same_minute: Result = time.minute
minutes_in_hour: INTEGER_32 is 60
TIME_CONSTANTS
month: INTEGER_32
DATE_TIME_MEASUREMENT
require DATE_MEASUREMENT
True
ensure DATE_TIME_MEASUREMENT
same_month: Result = date.month
months_in_year: INTEGER_32 is 12
DATE_CONSTANTS
months_text: ARRAY [STRING_8]
DATE_CONSTANTS
origin: DATE_TIME
ensure ABSOLUTE
result_exists: Result /= Void
second: INTEGER_32
DATE_TIME_MEASUREMENT
require TIME_MEASUREMENT
True
ensure DATE_TIME_MEASUREMENT
same_second: Result = time.second
seconds: INTEGER_32
seconds_in_day: INTEGER_32 is 86400
TIME_CONSTANTS
seconds_in_hour: INTEGER_32 is 3600
TIME_CONSTANTS
seconds_in_minute: INTEGER_32 is 60
TIME_CONSTANTS
time: TIME
time_default_format_string: STRING_8
TIME_CONSTANTS
time_duration: TIME_DURATION
year: INTEGER_32
DATE_TIME_MEASUREMENT
require DATE_MEASUREMENT
True
ensure DATE_TIME_MEASUREMENT
same_year: Result = date.year
feature
frozen deep_equal (some: ANY; other: like arg #1): BOOLEAN
`some'`other'
ANY
ensure ANY
shallow_implies_deep: standard_equal (some, other) implies Result
both_or_none_void: (some = Void) implies (Result = (other = Void))
same_type: (Result and (some /= Void)) implies some.same_type (other)
symmetric: Result implies deep_equal (other, some)
frozen equal (some: ANY; other: like arg #1): BOOLEAN
`some'`other'
ANY
ensure ANY
definition: Result = (some = Void and other = Void) or else ((some /= Void and other /= Void) and then some.is_equal (other))
is_equal (other: like Current): BOOLEAN
`other'
require ANY
other_not_void: other /= Void
ensure ANY
symmetric: Result implies other.is_equal (Current)
consistent: standard_is_equal (other) implies Result
ensure then COMPARABLE
trichotomy: Result = (not (Current < other) and not (other < Current))
max (other: like Current): like Current
`other'
COMPARABLE
require COMPARABLE
other_exists: other /= Void
ensure COMPARABLE
current_if_not_smaller: Current >= other implies Result = Current
other_if_smaller: Current < other implies Result = other
min (other: like Current): like Current
`other'
COMPARABLE
require COMPARABLE
other_exists: other /= Void
ensure COMPARABLE
current_if_not_greater: Current <= other implies Result = Current
other_if_greater: Current > other implies Result = other
frozen standard_equal (some: ANY; other: like arg #1): BOOLEAN
`some'`other'
ANY
ensure ANY
definition: Result = (some = Void and other = Void) or else ((some /= Void and other /= Void) and then some.standard_is_equal (other))
frozen standard_is_equal (other: like Current): BOOLEAN
`other'
ANY
require ANY
other_not_void: other /= Void
ensure ANY
same_type: Result implies same_type (other)
symmetric: Result implies other.standard_is_equal (Current)
three_way_comparison (other: like Current): INTEGER_32
`other'
COMPARABLE
require COMPARABLE
other_exists: other /= Void
ensure COMPARABLE
equal_zero: (Result = 0) = is_equal (other)
smaller_negative: (Result = -1) = (Current < other)
greater_positive: (Result = 1) = (Current > other)
infix "<" (other: like Current): BOOLEAN
`other'
require PART_COMPARABLE
other_exists: other /= Void
ensure then COMPARABLE
asymmetric: Result implies not (other < Current)
infix "<=" (other: like Current): BOOLEAN
`other'
COMPARABLE
require PART_COMPARABLE
other_exists: other /= Void
ensure then COMPARABLE
definition: Result = ((Current < other) or is_equal (other))
infix ">" (other: like Current): BOOLEAN
`other'
COMPARABLE
require PART_COMPARABLE
other_exists: other /= Void
ensure then COMPARABLE
definition: Result = (other < Current)
infix ">=" (other: like Current): BOOLEAN
`other'
COMPARABLE
require PART_COMPARABLE
other_exists: other /= Void
ensure then COMPARABLE
definition: Result = (other <= Current)
feature
conforms_to (other: ANY): BOOLEAN
`other'
ANY
require ANY
other_not_void: other /= Void
is_leap_year (y: INTEGER_32): BOOLEAN
`y'
DATE_CONSTANTS
same_type (other: ANY): BOOLEAN
`other'
ANY
require ANY
other_not_void: other /= Void
ensure ANY
definition: Result = (conforms_to (other) and other.conforms_to (Current))
feature
frozen deep_copy (other: like Current)
copy`other'deep_twin
ANY
require ANY
other_not_void: other /= Void
ensure ANY
deep_equal: deep_equal (Current, other)
frozen deep_twin: like Current
ANY
ensure ANY
deep_equal: deep_equal (Current, Result)
frozen standard_copy (other: like Current)
`other'
ANY
require ANY
other_not_void: other /= Void
type_identity: same_type (other)
ensure ANY
is_standard_equal: standard_is_equal (other)
frozen standard_twin: like Current
`other'
ANY
ensure ANY
standard_twin_not_void: Result /= Void
equal: standard_equal (Result, Current)
frozen twin: like Current
`Current'
twincopycopy
ANY
ensure ANY
twin_not_void: Result /= Void
is_equal: Result.is_equal (Current)
feature
add (dtd: DATE_TIME_DURATION)
`dtd'
day_add (d: INTEGER_32)
`d'
ensure
days_set: days = old days + d
frozen default: like Current
ANY
frozen default_pointer: POINTER
`POINTER'
`p'default
`p'`POINTER'
ANY
default_rescue
ANY
definite_duration (other: like Current): DATE_TIME_DURATION
`other'
require
other_exists: other /= Void
ensure
definite_result: Result.definite
frozen do_nothing
ANY
fine_second_add (s: REAL_64)
`s'
`s'fractional_secondtime
hour_add (h: INTEGER_32)
`h'
minute_add (m: INTEGER_32)
`m'
relative_duration (other: like Current): DATE_TIME_DURATION
`other'
require ABSOLUTE
other_exists: other /= Void
ensure ABSOLUTE
result_exists: Result /= Void
ensure then
origin_set: equal (other, Result.origin_date_time)
second_add (s: INTEGER_32)
`s'
infix "+" (d: DATE_TIME_DURATION): like Current
`d'
ensure
result_exists: Result /= Void
infix "-" (other: like Current): INTERVAL [DATE_TIME]
`other'
ABSOLUTE
require ABSOLUTE
other_exists: other /= Void
other_smaller_than_current: other <= Current
ensure ABSOLUTE
result_exists: Result /= Void
result_set: Result.start_bound.is_equal (other) and then Result.end_bound.is_equal (Current)
feature
fractional_second: REAL_64
fine_second
TIME_VALUE
feature
copy (other: like Current)
datetime`other'
require ANY
other_not_void: other /= Void
type_identity: same_type (other)
ensure ANY
is_equal: is_equal (other)
set_date (d: DATE)
date`d'
require
d_exists: d /= Void
ensure
date_set: date = d
set_time (t: TIME)
time`t'
require
t_exists: t /= Void
ensure
time_set: time = t
feature
make (y, mo, d, h, mi, s: INTEGER_32)
yearmonthday`y'`mo'`d'
hourminutesecond`h'`mi'`s'
require
correct_date_time: is_correct_date_time (y, mo, d, h, mi, s, False)
ensure
year_set: year = y
month_set: month = mo
day_set: day = d
hour_set: hour = h
minute_set: minute = mi
second_set: second = s
make_by_date (d: DATE)
date`d'time
require
d_exists: d /= Void
ensure
date_set: date = d
time_set: time.is_equal (time.origin)
make_by_date_time (d: DATE; t: TIME)
date`d'time`t'
require
d_exists: d /= Void
t_exists: t /= Void
ensure
date_set: date = d
time_set: time = t
make_fine (y, mo, d, h, mi: INTEGER_32; s: REAL_64)
yearmonthday`y'`mo'`d'
hourminutesecond`h'`m'`s'
require
correct_date_time: is_correct_date_time (y, mo, d, h, mi, s, False)
ensure
year_set: year = y
month_set: month = mo
day_set: day = d
hour_set: hour = h
minute_set: minute = mi
second_set: fine_second = s
make_from_string (s: STRING_8; code: STRING_8)
`code'
require
s_exists: s /= Void
c_exists: code /= Void
date_time_valid: date_time_valid (s, code)
make_from_string_default (s: STRING_8)
default_format_string
require
s_exists: s /= Void
date_time_valid: date_time_valid (s, default_format_string)
make_from_string_default_with_base (s: STRING_8; base: INTEGER_32)
default_format_string`base'
require
s_exists: s /= Void
base_valid: base > 0 and (base \\ 100 = 0)
date_time_valid: date_time_valid_with_base (s, default_format_string, base)
make_from_string_with_base (s: STRING_8; code: STRING_8; base: INTEGER_32)
`code'`base'
require
s_exists: s /= Void
c_exists: code /= Void
base_valid: base > 0 and (base \\ 100 = 0)
date_time_valid: date_time_valid_with_base (s, code, base)
make_now
make_now_utc
feature
duration: DATE_TIME_DURATION
Origin
require ABSOLUTE
True
ensure then
definite_result: Result.definite
feature
formatted_out (s: STRING_8): STRING_8
`s'
require
s_exists: s /= Void
io: STD_FILES
ANY
out: STRING_8
default_format_string
print (some: ANY)
`some'
ANY
frozen tagged_out: STRING_8
ANYout
ANY
feature
operating_environment: OPERATING_ENVIRONMENT
ANY
feature
date_time_valid (s: STRING_8; code_string: STRING_8): BOOLEAN
`s'`code_string'
DATE_TIME_VALIDITY_CHECKER
require DATE_TIME_VALIDITY_CHECKER
s_exists: s /= Void
code_exists: code_string /= Void
date_time_valid_with_base (s: STRING_8; code_string: STRING_8; base: INTEGER_32): BOOLEAN
`s'`code_string'
`base'
DATE_TIME_VALIDITY_CHECKER
require DATE_TIME_VALIDITY_CHECKER
s_exists: s /= Void
code_exists: code_string /= Void
base_valid: base > 0 and (base \\ 100 = 0)
is_correct_date_time (y, mo, d, h, mi: INTEGER_32; s: REAL_64; twelve_hour_scale: BOOLEAN): BOOLEAN
`y'`mo'`d'`h'`mi'`s'
`twelve_hour_scale'
DATE_TIME_VALIDITY_CHECKER
invariant
COMPARABLE
irreflexive_comparison: not (Current < Current)
ANY
reflexive_equality: standard_is_equal (Current)
reflexive_conformance: conforms_to (Current)
DATE_TIME_MEASUREMENT
date_exists: date /= Void
time_exists: time /= Void
indexing
copyright: "Copyright (c) 1984-2006, Eiffel Software and others"
license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
source: "[
Eiffel Software
356 Storke Road, Goleta, CA 93117 USA
Telephone 805-685-1006, Fax 805-685-6869
Website http://www.eiffel.com
Customer support http://support.eiffel.com
]"
end DATE_TIME