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note description: "Values of time" legal: "See notice at end of class." status: "See notice at end of class." date: "$Date: 2009-01-01 03:38:30 -0900 (Thu, 01 Jan 2009) $" revision: "$Revision: 76534 $" access: time class interface TIME_VALUE create default_create -- Process instances of classes with no creation clause. -- (Default: do nothing.) -- (from ANY) feature -- Access compact_time: INTEGER_32 -- Hour, minute, second coded. Date_time_tools: DATE_TIME_TOOLS -- Tools for outputting dates and times in different formats -- (from TIME_UTILITY) default_format_string: STRING_8 -- Default output format string -- (from TIME_UTILITY) fine_second: REAL_64 -- Representation of second with decimals fractional_second: REAL_64 -- Fractional part of fine_second generating_type: TYPE [detachable TIME_VALUE] -- Type of current object -- (type of which it is a direct instance) -- (from ANY) ensure -- from ANY generating_type_not_void: Result /= Void generator: STRING_8 -- Name of current object's generating class -- (base class of the type of which it is a direct instance) -- (from ANY) ensure -- from ANY generator_not_void: Result /= Void generator_not_empty: not Result.is_empty hour: INTEGER_32 -- Hour of the current time Hours_in_day: INTEGER_32 = 24 -- Number of hours in a day -- (from TIME_CONSTANTS) micro_second: INTEGER_32 -- Microsecond of the current time milli_second: INTEGER_32 -- Millisecond of the current time minute: INTEGER_32 -- Minute of the current time Minutes_in_hour: INTEGER_32 = 60 -- Number of minutes in an hour -- (from TIME_CONSTANTS) nano_second: INTEGER_32 -- Nanosecond of the current time second: INTEGER_32 -- Second of the current time Seconds_in_day: INTEGER_32 = 86400 -- Number of seconds in an hour -- (from TIME_CONSTANTS) Seconds_in_hour: INTEGER_32 = 3600 -- Number of seconds in an hour -- (from TIME_CONSTANTS) Seconds_in_minute: INTEGER_32 = 60 -- Number of seconds in a minute -- (from TIME_CONSTANTS) time_default_format_string: STRING_8 -- Default output format for times -- (from TIME_CONSTANTS) feature -- Comparison frozen deep_equal (a: detachable ANY; b: like arg #1): BOOLEAN -- Are a and b either both void -- or attached to isomorphic object structures? -- (from ANY) ensure -- from ANY instance_free: class shallow_implies_deep: standard_equal (a, b) implies Result both_or_none_void: (a = Void) implies (Result = (b = Void)) same_type: (Result and (a /= Void)) implies (b /= Void and then a.same_type (b)) symmetric: Result implies deep_equal (b, a) frozen equal (a: detachable ANY; b: like arg #1): BOOLEAN -- Are a and b either both void or attached -- to objects considered equal? -- (from ANY) ensure -- from ANY instance_free: class definition: Result = (a = Void and b = Void) or else ((a /= Void and b /= Void) and then a.is_equal (b)) frozen is_deep_equal alias "≡≡≡" (other: TIME_VALUE): BOOLEAN -- Are Current and other attached to isomorphic object structures? -- (from ANY) require -- from ANY other_not_void: other /= Void ensure -- from ANY shallow_implies_deep: standard_is_equal (other) implies Result same_type: Result implies same_type (other) symmetric: Result implies other.is_deep_equal (Current) is_equal (other: TIME_VALUE): BOOLEAN -- Is other attached to an object considered -- equal to current object? -- (from ANY) require -- from ANY other_not_void: other /= Void ensure -- from ANY symmetric: Result implies other ~ Current consistent: standard_is_equal (other) implies Result frozen standard_equal (a: detachable ANY; b: like arg #1): BOOLEAN -- Are a and b either both void or attached to -- field-by-field identical objects of the same type? -- Always uses default object comparison criterion. -- (from ANY) ensure -- from ANY instance_free: class definition: Result = (a = Void and b = Void) or else ((a /= Void and b /= Void) and then a.standard_is_equal (b)) frozen standard_is_equal alias "" (other: TIME_VALUE): BOOLEAN -- Is other attached to an object of the same type -- as current object, and field-by-field identical to it? -- (from ANY) require -- from ANY other_not_void: other /= Void ensure -- from ANY same_type: Result implies same_type (other) symmetric: Result implies other.standard_is_equal (Current) feature -- Status report conforms_to (other: ANY): BOOLEAN -- Does type of current object conform to type -- of other (as per Eiffel: The Language, chapter 13)? -- (from ANY) require -- from ANY other_not_void: other /= Void same_type (other: ANY): BOOLEAN -- Is type of current object identical to type of other? -- (from ANY) require -- from ANY other_not_void: other /= Void ensure -- from ANY definition: Result = (conforms_to (other) and other.conforms_to (Current)) feature -- Element change set_fine_second (s: REAL_64) -- Set fine_second to s require -- from TIME_MEASUREMENT s_large_enough: s >= 0.to_double s_small_enough: s < Seconds_in_minute.to_double ensure -- from TIME_MEASUREMENT fine_second_set: fine_second = s set_fractionals (f: REAL_64) -- Set fractional_second to f. require -- from TIME_MEASUREMENT f_large_enough: f >= 0.to_double f_small_enough: f < 1.to_double ensure -- from TIME_MEASUREMENT second_same: second = old second set_hour (h: INTEGER_32) -- Set hour to h. require -- from TIME_MEASUREMENT h_large_enough: h >= 0 h_small_enough: h < Hours_in_day ensure -- from TIME_MEASUREMENT hour_set: hour = h set_minute (m: INTEGER_32) -- Set minute to m. require -- from TIME_MEASUREMENT m_large_enough: m >= 0 m_small_enough: m < Minutes_in_hour ensure -- from TIME_MEASUREMENT minute_set: minute = m set_second (s: INTEGER_32) -- Set second to s. require -- from TIME_MEASUREMENT s_large_enough: s >= 0 s_small_enough: s < Seconds_in_minute ensure -- from TIME_MEASUREMENT second_set: second = s feature -- Duplication copy (other: TIME_VALUE) -- Update current object using fields of object attached -- to other, so as to yield equal objects. -- (from ANY) require -- from ANY other_not_void: other /= Void type_identity: same_type (other) ensure -- from ANY is_equal: Current ~ other frozen deep_copy (other: TIME_VALUE) -- Effect equivalent to that of: -- copy (other . deep_twin) -- (from ANY) require -- from ANY other_not_void: other /= Void ensure -- from ANY deep_equal: deep_equal (Current, other) frozen deep_twin: TIME_VALUE -- New object structure recursively duplicated from Current. -- (from ANY) ensure -- from ANY deep_twin_not_void: Result /= Void deep_equal: deep_equal (Current, Result) frozen standard_copy (other: TIME_VALUE) -- Copy every field of other onto corresponding field -- of current object. -- (from ANY) require -- from ANY other_not_void: other /= Void type_identity: same_type (other) ensure -- from ANY is_standard_equal: standard_is_equal (other) frozen standard_twin: TIME_VALUE -- New object field-by-field identical to other. -- Always uses default copying semantics. -- (from ANY) ensure -- from ANY standard_twin_not_void: Result /= Void equal: standard_equal (Result, Current) frozen twin: TIME_VALUE -- New object equal to Current -- twin calls copy; to change copying/twinning semantics, redefine copy. -- (from ANY) ensure -- from ANY twin_not_void: Result /= Void is_equal: Result ~ Current feature -- Basic operations frozen default: detachable TIME_VALUE -- Default value of object's type -- (from ANY) frozen default_pointer: POINTER -- Default value of type POINTER -- (Avoid the need to write p.default for -- some p of type POINTER.) -- (from ANY) ensure -- from ANY instance_free: class default_rescue -- Process exception for routines with no Rescue clause. -- (Default: do nothing.) -- (from ANY) div (i, j: INTEGER_32): INTEGER_32 -- (i \\ j) if i positive -- (i \\ j + 1) if i negative -- (from TIME_UTILITY) ensure -- from TIME_UTILITY result_definition: i = j * Result + mod (i, j) frozen do_nothing -- Execute a null action. -- (from ANY) ensure -- from ANY instance_free: class mod (i, j: INTEGER_32): INTEGER_32 -- (i \\ j) if i positive -- (i \\ j + j) if i negative -- (from TIME_UTILITY) ensure -- from TIME_UTILITY positive_result: Result >= 0 result_definition: i = j * div (i, j) + Result feature -- Output Io: STD_FILES -- Handle to standard file setup -- (from ANY) ensure -- from ANY instance_free: class io_not_void: Result /= Void out: STRING_8 -- New string containing terse printable representation -- of current object -- (from ANY) ensure -- from ANY out_not_void: Result /= Void print (o: detachable ANY) -- Write terse external representation of o -- on standard output. -- (from ANY) ensure -- from ANY instance_free: class frozen tagged_out: STRING_8 -- New string containing terse printable representation -- of current object -- (from ANY) ensure -- from ANY tagged_out_not_void: Result /= Void feature -- Platform Operating_environment: OPERATING_ENVIRONMENT -- Objects available from the operating system -- (from ANY) ensure -- from ANY instance_free: class operating_environment_not_void: Result /= Void invariant -- from ANY reflexive_equality: standard_is_equal (Current) reflexive_conformance: conforms_to (Current) note copyright: "Copyright (c) 1984-2009, Eiffel Software and others" license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)" source: "[ Eiffel Software 5949 Hollister Ave., Goleta, CA 93117 USA Telephone 805-685-1006, Fax 805-685-6869 Website http://www.eiffel.com Customer support http://support.eiffel.com ]" end -- class TIME_VALUE
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