1 | # This module is implementation of the UML:
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2 | # http://www.openehr.org/uml/release-1.0.1/Browsable/_9_0_76d0249_1109696321450_28117_5362Report.html
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3 | # Ticket refs #49
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4 | require 'assumed_library_types'
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5 |
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6 | module OpenEHR
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7 | module RM
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8 | module Data_Types
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9 | module Quantity
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10 | module Date_Time
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11 | class DV_Temporal < OpenEHR::RM::Data_Types::Quantity::DV_Absolute_Quantity
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12 | attr_reader :value
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13 |
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14 | def initialize(value, magnitude_status=nil, accuracy=nil,
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15 | normal_range=nil, normal_status=nil,
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16 | other_reference_ranges=nil)
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17 | self.value = value
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18 | self.magnitude_status = magnitude_status
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19 | self.accuracy = accuracy
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20 | self.normal_range = normal_range
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21 | self.normal_status = normal_status
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22 | self.other_reference_ranges = other_reference_ranges
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23 | end
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24 |
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25 | def value=(value)
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26 | if value.nil? or value.empty?
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27 | raise ArgumentError, 'invalid value'
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28 | end
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29 | @value = value
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30 | end
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31 | end
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32 |
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33 | class DV_Date < DV_Temporal
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34 | include OpenEHR::Assumed_Library_Types::ISO8601_DATE_MODULE
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35 |
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36 | DAYS_IN_MONTH = [0,31,28,31,30,31,30,31,31,30,31,30,31]
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37 |
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38 | def initialize(value, magnitude_status=nil, accuracy=nil,
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39 | normal_range=nil, normal_status=nil,
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40 | other_reference_range=nil)
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41 | super(value, magnitude_status, accuracy, normal_range,
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42 | normal_status, other_reference_range)
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43 | end
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44 |
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45 | def value=(value)
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46 | super(value)
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47 | iso8601_date = Assumed_Library_Types::ISO8601_DATE.new(value)
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48 | @year = iso8601_date.year
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49 | @month = iso8601_date.month
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50 | @day = iso8601_date.day
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51 | end
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52 |
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53 | undef magnitude=
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54 |
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55 | def magnitude
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56 | return Date.new(@year, @month, @day)-Date.new(1601,1,1)
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57 | end
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58 |
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59 | def diff(other)
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60 | if self.magnitude > other.magnitude
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61 | past, future = other, self
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62 | else
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63 | past, future = self, other
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64 | end
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65 | year, month, day = 0, 0, 0
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66 | if (future.day >= past.day)
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67 | day = future.day - past.day
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68 | else
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69 | month -= 1
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70 | previous_month = future.month - 1
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71 | if previous_month <= 0
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72 | previous_month = 12
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73 | end
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74 | day = DAYS_IN_MONTH[previous_month] + future.day - past.day
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75 | if leapyear?(future.year) && (previous_month == 2)
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76 | day += 1
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77 | end
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78 | end
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79 | week = day / 7
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80 | if (future.month >= past.month)
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81 | month += future.month - past.month
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82 | else
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83 | year -= 1
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84 | month += future.month + 12 - past.month
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85 | end
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86 | year += future.year - past.year
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87 | return DV_Duration.new(
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88 | 'P' + year.to_s + 'Y' + month.to_s + 'M' +
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89 | week.to_s + 'W' + day.to_s + 'D')
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90 | end
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91 | end
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92 |
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93 | class DV_Time
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94 | def initialize
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95 | end
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96 | end
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97 |
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98 | class DV_Date_Time
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99 | def initialize
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100 | end
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101 | end
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102 |
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103 | class DV_Duration < DV_Amount
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104 | include Assumed_Library_Types::ISO8601_DURATION_MODULE
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105 | attr_reader :value
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106 |
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107 | def initialize(value, magnitude_status=nil, accuracy=nil,
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108 | accuracy_percent=nil, normal_range=nil,
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109 | normal_status = nil, other_reference_ranges=nil)
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110 | self.value = value
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111 | end
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112 |
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113 | def value=(value)
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114 | raise ArgumentError, 'value must be not nil' if value.nil?
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115 | @value = value
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116 | iso8601_duration = Assumed_Library_Types::ISO8601_DURATION.new(value)
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117 | self.years = iso8601_duration.years
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118 | self.months = iso8601_duration.months
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119 | self.weeks = iso8601_duration.weeks
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120 | self.days = iso8601_duration.days
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121 | self.hours = iso8601_duration.hours
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122 | self.minutes = iso8601_duration.minutes
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123 | self.seconds = iso8601_duration.seconds
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124 | self.fractional_second = iso8601_duration.fractional_second
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125 | end
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126 |
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127 | def magnitude
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128 | return ((((@year + @month/MONTH_IN_YEAR)*NOMINAL_DAYS_IN_MONTH) +
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129 | @week * DAYS_IN_WEEK + @days) * HOURS_IN_DAY * MINUTES_IN_HOUR*
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130 | SECONDS_IN_MINUTE) + @second + @fractional_second
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131 | end
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132 |
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133 | undef magnitude=
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134 |
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135 | end
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136 | end # of Date_Time
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137 | end # of Quantity
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138 | end # of Data_Types
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139 | end # of RM
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140 | end # of OpenEHR
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