class OpenEHR::RM::DataTypes::Quantity::DateTime::DvDateTime

Public Instance Methods

diff(other) click to toggle source
# File lib/open_ehr/rm/data_types/quantity/date_time.rb, line 173
def diff(other)
  if self.magnitude >= other.magnitude
    past, future = other, self
  else
    past, future = self, other
  end
  past_date, past_time = split_date_time(past)
  future_date, future_time = split_date_time(future)
  time_diff = future_time.magnitude - past_time.magnitude
  if future_time.magnitude < past_time.magnitude
    future_date.day = future_date.day - 1
    time_diff += 24 * 60 * 60
  end
  date_duration = past_date.diff(future_date)
  hour = (time_diff / 60 / 60).to_i
  minute = ((time_diff - hour*60*60)/60).to_i
  second = (time_diff - hour * 60 *60 - minute * 60).to_i
  str = date_duration.value + 'T' + hour.to_s + 'H' +
    minute.to_s + 'M' + second.to_s
  if @fractional_second.nil?
    return DvDuration.new(:value => str +'S')
  else
    fractional_second =
      ((time_diff - time_diff.to_i)*1000000.0).to_i/1000000.0
    return DvDuration.new(:value => str +
                          fractional_second.to_s[1..-1] + 'S')
  end
end
magnitude() click to toggle source
# File lib/open_ehr/rm/data_types/quantity/date_time.rb, line 150
def magnitude
  hour, minute = @hour, @minute
  if @timezone
    if @timezone.sign == -1
      hour -= @timezone.hour
      minute -= @timezone.minute
    elsif @timezone.sign == +1
      hour += @timezone.hour
      minute += @timezone.minute
    end
  end
  seconds = (((@year * 365.24 +
               @month * 30.42 +
               @day) * 24 +
               hour) * 60 +
               minute) * 60 + @second
  if @fractional_second.nil?
    return seconds
  else
    return seconds + @fractional_second
  end
end
value=(value) click to toggle source
# File lib/open_ehr/rm/data_types/quantity/date_time.rb, line 137
def value=(value)              
  super(value)
  iso8601date_time = AssumedLibraryTypes::ISO8601DateTime.new(value)
  self.year = iso8601date_time.year
  self.month = iso8601date_time.month
  self.day = iso8601date_time.day
  self.minute = iso8601date_time.minute
  self.second = iso8601date_time.second
  self.hour = iso8601date_time.hour
  self.fractional_second = iso8601date_time.fractional_second
  self.timezone = iso8601date_time.timezone
end

Private Instance Methods

split_date_time(date_time) click to toggle source
# File lib/open_ehr/rm/data_types/quantity/date_time.rb, line 203
            def split_date_time(date_time)
p date_time.as_string
              /^(.*)T(.*)$/ =~ date_time.as_string
              return DvDate.new(:value => $1), DvTime.new(:value => $2)
            end