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 | require 'date'
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6 |
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7 | module OpenEHR
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8 | module RM
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9 | module Data_Types
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10 | module Quantity
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11 | module Date_Time
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12 | class DV_Temporal < OpenEHR::RM::Data_Types::Quantity::DV_Absolute_Quantity
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13 | include Comparable
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14 | attr_reader :value
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15 |
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16 | def initialize(value, magnitude_status=nil, accuracy=nil,
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17 | normal_range=nil, normal_status=nil,
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18 | other_reference_ranges=nil)
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19 | self.value = value
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20 | self.magnitude_status = magnitude_status
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21 | self.accuracy = accuracy
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22 | self.normal_range = normal_range
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23 | self.normal_status = normal_status
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24 | self.other_reference_ranges = other_reference_ranges
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25 | end
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26 |
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27 | def value=(value)
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28 | if value.nil? or value.empty?
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29 | raise ArgumentError, 'invalid value'
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30 | end
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31 | @value = value
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32 | end
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33 |
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34 | def <=>(other)
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35 | self.magnitude <=> other.magnitude
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36 | end
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37 | end
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38 |
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39 | class DV_Date < DV_Temporal
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40 | include OpenEHR::Assumed_Library_Types::ISO8601_DATE_MODULE
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41 |
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42 | DAYS_IN_MONTH = [0,31,28,31,30,31,30,31,31,30,31,30,31]
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43 |
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44 | def initialize(value, magnitude_status=nil, accuracy=nil,
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45 | normal_range=nil, normal_status=nil,
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46 | other_reference_range=nil)
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47 | super(value, magnitude_status, accuracy, normal_range,
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48 | normal_status, other_reference_range)
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49 | end
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50 |
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51 | def value=(value)
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52 | super(value)
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53 | iso8601_date = Assumed_Library_Types::ISO8601_DATE.new(value)
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54 | @year = iso8601_date.year
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55 | @month = iso8601_date.month
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56 | @day = iso8601_date.day
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57 | end
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58 |
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59 | undef magnitude=
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60 |
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61 | def magnitude
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62 | return Date.new(@year, @month, @day)-Date.new(0000,1,1)
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63 | end
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64 |
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65 | def diff(other)
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66 | if self.magnitude > other.magnitude
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67 | past, future = other, self
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68 | else
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69 | past, future = self, other
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70 | end
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71 | year, month, day = 0, 0, 0
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72 | if (future.day >= past.day)
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73 | day = future.day - past.day
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74 | else
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75 | month -= 1
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76 | previous_month = future.month - 1
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77 | if previous_month <= 0
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78 | previous_month = 12
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79 | end
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80 | day = DAYS_IN_MONTH[previous_month] + future.day - past.day
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81 | if leapyear?(future.year) && (previous_month == 2)
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82 | day += 1
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83 | end
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84 | end
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85 | week = day / 7
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86 | if (future.month >= past.month)
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87 | month += future.month - past.month
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88 | else
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89 | year -= 1
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90 | month += future.month + 12 - past.month
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91 | end
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92 | year += future.year - past.year
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93 | return DV_Duration.new(
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94 | 'P' + year.to_s + 'Y' + month.to_s + 'M' +
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95 | week.to_s + 'W' + day.to_s + 'D')
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96 | end
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97 | end
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98 |
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99 | class DV_Time < DV_Temporal
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100 | include OpenEHR::Assumed_Library_Types::ISO8601_TIME_MODULE
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101 | def initialize(value, magnitude_status=nil, accuracy=nil,
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102 | normal_range=nil, normal_status=nil,
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103 | other_reference_range=nil)
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104 | super(value, magnitude_status, accuracy, normal_range,
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105 | normal_status, other_reference_range)
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106 | end
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107 |
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108 | def value=(value)
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109 | super(value)
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110 | iso8601_time = Assumed_Library_Types::ISO8601_TIME.new(value)
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111 | @hour = iso8601_time.hour
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112 | @minute = iso8601_time.minute
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113 | @second = iso8601_time.second
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114 | @fractional_second = iso8601_time.fractional_second
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115 | end
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116 |
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117 | def magnitude
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118 | return @hour * 60 * 60 + @minute * 60 + @second + @fractional_second
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119 | end
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120 |
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121 | def diff(other)
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122 | diff = (other.magnitude - self.magnitude).abs
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123 | hour = (diff / 60 / 60).to_i
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124 | minute = ((diff - hour*60*60)/60).to_i
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125 | second = (diff - hour * 60 *60 - minute * 60).to_i
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126 | fractional_second = ((diff - diff.to_i)*1000000.0).to_i/1000000.0
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127 | return DV_Duration.new('P0Y0M0W0DT' + hour.to_s + 'H' +
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128 | minute.to_s + 'M' +
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129 | second.to_s + fractional_second.to_s[1..-1] + 'S')
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130 | end
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131 | end
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132 |
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133 | class DV_Date_Time < DV_Temporal
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134 | include OpenEHR::Assumed_Library_Types::ISO8601_DATE_TIME_MODULE
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135 | attr_reader :value
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136 |
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137 | def initialize(value, magnitude_status=nil, accuracy=nil,
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138 | normal_range=nil, normal_status=nil,
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139 | other_reference_range=nil)
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140 | super(value, magnitude_status, accuracy, normal_range,
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141 | normal_status, other_reference_range)
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142 | end
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143 |
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144 | def value=(value)
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145 | super(value)
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146 | iso8601date_time = Assumed_Library_Types::ISO8601_DATE_TIME.new(value)
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147 | self.year = iso8601date_time.year
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148 | self.month = iso8601date_time.month
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149 | self.day = iso8601date_time.day
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150 | self.minute = iso8601date_time.minute
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151 | self.second = iso8601date_time.second
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152 | self.hour = iso8601date_time.hour
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153 | self.fractional_second = iso8601date_time.fractional_second
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154 | self.timezone = iso8601date_time.timezone
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155 | end
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156 |
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157 | def magnitude
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158 | seconds = DateTime.new(@year,@month,@day,@hour,@minute,@second) -
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159 | DateTime.new(0000,1,1,0,0,0)
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160 | if @fractional_second.nil?
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161 | return seconds
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162 | else
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163 | return seconds + @fractional_second
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164 | end
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165 | end
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166 |
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167 | undef magnitude=
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168 |
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169 | def diff(other)
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170 | if self.magnitude >= other.magnitude
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171 | past, future = other, self
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172 | else
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173 | past, future = self, other
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174 | end
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175 | past_date, past_time = split_date_time(past)
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176 | future_date, future_time = split_date_time(future)
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177 | time_diff = future_time.magnitude - past_time.magnitude
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178 | if future_time.magnitude < past_time.magnitude
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179 | future_date.day = future_date.day - 1
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180 | time_diff += 24 * 60 * 60
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181 | end
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182 | date_duration = past_date.diff(future_date)
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183 | hour = (time_diff / 60 / 60).to_i
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184 | minute = ((time_diff - hour*60*60)/60).to_i
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185 | second = (time_diff - hour * 60 *60 - minute * 60).to_i
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186 | fractional_second = ((time_diff - time_diff.to_i)*1000000.0).to_i/1000000.0
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187 |
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188 | return DV_Duration.new(date_duration.value + 'T' +
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189 | hour.to_s + 'H' +
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190 | minute.to_s + 'M' +
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191 | second.to_s + fractional_second.to_s[1..-1] + 'S')
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192 |
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193 | end
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194 |
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195 | private
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196 |
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197 | def split_date_time(date_time)
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198 | /^(.*)T(.*)$/ =~ date_time.as_string
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199 | return DV_Date.new($1), DV_Time.new($2)
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200 | end
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201 | end
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202 |
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203 | class DV_Duration < DV_Amount
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204 | include Assumed_Library_Types::ISO8601_DURATION_MODULE
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205 | attr_reader :value
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206 |
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207 | def initialize(value, magnitude_status=nil, accuracy=nil,
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208 | accuracy_percent=nil, normal_range=nil,
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209 | normal_status = nil, other_reference_ranges=nil)
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210 | self.value = value
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211 | end
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212 |
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213 | def value=(value)
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214 | raise ArgumentError, 'value must be not nil' if value.nil?
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215 | @value = value
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216 | iso8601_duration = Assumed_Library_Types::ISO8601_DURATION.new(value)
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217 | self.years = iso8601_duration.years
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218 | self.months = iso8601_duration.months
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219 | self.weeks = iso8601_duration.weeks
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220 | self.days = iso8601_duration.days
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221 | self.hours = iso8601_duration.hours
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222 | self.minutes = iso8601_duration.minutes
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223 | self.seconds = iso8601_duration.seconds
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224 | self.fractional_second = iso8601_duration.fractional_second
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225 | end
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226 |
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227 | def magnitude
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228 | return ((((@year + @month/MONTH_IN_YEAR)*NOMINAL_DAYS_IN_MONTH) +
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229 | @week * DAYS_IN_WEEK + @days) * HOURS_IN_DAY * MINUTES_IN_HOUR*
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230 | SECONDS_IN_MINUTE) + @second + @fractional_second
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231 | end
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232 |
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233 | undef magnitude=
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234 |
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235 | end
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236 | end # of Date_Time
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237 | end # of Quantity
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238 | end # of Data_Types
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239 | end # of RM
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240 | end # of OpenEHR
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