Class: OpenEHR::RM::DataTypes::Quantity::DateTime::DvDateTime

Inherits:
DvTemporal show all
Includes:
AssumedLibraryTypes::ISO8601DateTimeModule
Defined in:
lib/open_ehr/rm/data_types/quantity/date_time.rb

Constant Summary

Constants included from AssumedLibraryTypes::TimeDefinitions

AssumedLibraryTypes::TimeDefinitions::DAYS_IN_LEAP_YEAR, AssumedLibraryTypes::TimeDefinitions::DAYS_IN_WEEK, AssumedLibraryTypes::TimeDefinitions::DAYS_IN_YEAR, AssumedLibraryTypes::TimeDefinitions::HOURS_IN_DAY, AssumedLibraryTypes::TimeDefinitions::MAX_DAYS_IN_MONTH, AssumedLibraryTypes::TimeDefinitions::MAX_DAYS_IN_YEAR, AssumedLibraryTypes::TimeDefinitions::MINUTES_IN_HOUR, AssumedLibraryTypes::TimeDefinitions::MONTH_IN_YEAR, AssumedLibraryTypes::TimeDefinitions::NOMINAL_DAYS_IN_MONTH, AssumedLibraryTypes::TimeDefinitions::NOMINAL_DAYS_IN_YEAR, AssumedLibraryTypes::TimeDefinitions::SECONDS_IN_MINUTE

Constants included from Support::Definition::BasicDefinition

Support::Definition::BasicDefinition::CR, Support::Definition::BasicDefinition::LF

Instance Attribute Summary

Attributes included from AssumedLibraryTypes::ISO8601DateModule

#day, #month, #year

Attributes included from AssumedLibraryTypes::ISO8601TimeModule

#fractional_second, #hour, #minute, #second

Attributes inherited from OpenEHR::RM::DataTypes::Quantity::DvAbsoluteQuantity

#accuracy

Attributes inherited from OpenEHR::RM::DataTypes::Quantity::DvQuantified

#magnitude_status

Attributes inherited from OpenEHR::RM::DataTypes::Quantity::DvOrdered

#normal_range, #normal_status, #other_refference_ranges

Attributes inherited from Basic::DataValue

#value

Instance Method Summary collapse

Methods included from AssumedLibraryTypes::ISO8601DateTimeModule

#as_string

Methods included from AssumedLibraryTypes::ISO8601DateModule

#as_string, #day_unknown?, #is_extended?, #is_partial?, #month_unknown?, #to_days

Methods included from AssumedLibraryTypes::TimeDefinitions

valid_day?, valid_hour?, valid_minute?, valid_month?, valid_second?, valid_year?

Methods included from AssumedLibraryTypes::ISO8601TimeModule

#as_string, #has_fractional_second?, #is_decimal_sign_comma?, #is_extended?, #is_partial?, #minute_unknown?, #second_unknown?, #timezone, #timezone=, #to_second

Methods inherited from DvTemporal

#initialize

Methods inherited from OpenEHR::RM::DataTypes::Quantity::DvAbsoluteQuantity

#add, #initialize, #subtract

Methods inherited from OpenEHR::RM::DataTypes::Quantity::DvQuantified

#<=>, #accuracy_unknown?, #initialize, valid_magnitude_status?

Methods inherited from OpenEHR::RM::DataTypes::Quantity::DvOrdered

#<=>, #initialize, #is_normal?, #is_simple?, #is_strictly_comparable_to?, #other_reference_ranges=

Methods inherited from Basic::DataValue

#==, #initialize

Constructor Details

This class inherits a constructor from OpenEHR::RM::DataTypes::Quantity::DateTime::DvTemporal

Instance Method Details

#diff(other) ⇒ Object 



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# 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 ⇒ Object 



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# 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) ⇒ Object 



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# 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