Class: TZInfo::Data::TZDataTransition

Inherits:
Object
  • Object
show all
Includes:
Comparable
Defined in:
lib/tzinfo/data/tzdataparser.rb

Overview

A transition that will be used to write the periods in a zone class.

Constant Summary collapse

EPOCH = 
DateTime.new(1970, 1, 1)

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(at_utc, utc_offset, std_offset, zone_id) ⇒ TZDataTransition

Returns a new instance of TZDataTransition.



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# File 'lib/tzinfo/data/tzdataparser.rb', line 955

def initialize(at_utc, utc_offset, std_offset, zone_id)
  @at_utc = at_utc
  @utc_offset = utc_offset
  @std_offset = std_offset
  @zone_id = zone_id
  @offset_name = nil
end

Instance Attribute Details

#at_utc ⇒ Object (readonly)

Returns the value of attribute at_utc.



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# File 'lib/tzinfo/data/tzdataparser.rb', line 949

def at_utc
  @at_utc
end

#offset_name ⇒ Object

Returns the value of attribute offset_name.



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# File 'lib/tzinfo/data/tzdataparser.rb', line 953

def offset_name
  @offset_name
end

#std_offset ⇒ Object (readonly)

Returns the value of attribute std_offset.



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# File 'lib/tzinfo/data/tzdataparser.rb', line 951

def std_offset
  @std_offset
end

#utc_offset ⇒ Object (readonly)

Returns the value of attribute utc_offset.



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# File 'lib/tzinfo/data/tzdataparser.rb', line 950

def utc_offset
  @utc_offset
end

#zone_id ⇒ Object (readonly)

Returns the value of attribute zone_id.



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# File 'lib/tzinfo/data/tzdataparser.rb', line 952

def zone_id
  @zone_id
end

Instance Method Details

#<=>(transition) ⇒ Object 



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# File 'lib/tzinfo/data/tzdataparser.rb', line 967

def <=>(transition)
  if @at_utc == transition.at_utc
    0
  elsif @at_utc.nil?
    -1
  elsif transition.nil?
    1
  else       
    @at_utc - transition.at_utc
  end
end

#clone_with_at(at_utc) ⇒ Object 



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# File 'lib/tzinfo/data/tzdataparser.rb', line 983

def clone_with_at(at_utc)
  TZDataTransition.new(at_utc, @utc_offset, @std_offset, @zone_id)
end

#to_s ⇒ Object 



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# File 'lib/tzinfo/data/tzdataparser.rb', line 963

def to_s
  "At #{at_utc} UTC switch to UTC offset #{@utc_offset} with std offset #{@std_offset}, zone id #{@zone_id}"
end

#total_offset ⇒ Object 



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# File 'lib/tzinfo/data/tzdataparser.rb', line 979

def total_offset
  @utc_offset + @std_offset
end

#write(file) ⇒ Object 



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# File 'lib/tzinfo/data/tzdataparser.rb', line 987

def write(file)        
  if @at_utc
    file.puts "tz.transition #{@at_utc.year}, #{@at_utc.mon}, :#{@offset_name}, #{timestamp_parameters(@at_utc)}" 
  end        
end