1 | # rm::data_structures::history
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2 | # history module
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3 | # http://www.openehr.org/uml/release-1.0.1/Browsable/_9_0_76d0249_1109157527311_729550_7234Report.html
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4 | # refs #55
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5 | require 'time'
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6 | include OpenEHR::RM::DataStructures
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7 | include OpenEHR::RM::Common::Archetyped
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8 |
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9 | module OpenEHR
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10 | module RM
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11 | module DataStructures
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12 | module History
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13 | class History < DataStructure
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14 | attr_reader :origin, :events
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15 | attr_accessor :duration, :period, :summary
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16 |
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17 | def initialize(args = { })
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18 | super(args)
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19 | self.origin = args[:origin]
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20 | self.duration = args[:duration]
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21 | self.period = args[:period]
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22 | self.events = args[:events]
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23 | self.summary = args[:summary]
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24 | end
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25 |
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26 | def origin=(origin)
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27 | raise ArgumentError, 'origin is mandatory' if origin.nil?
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28 | @origin = origin
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29 | end
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30 |
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31 | def events=(events)
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32 | if !events.nil? and events.empty?
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33 | raise ArgumentError, 'events should not be empty'
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34 | end
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35 | @events = events
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36 | end
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37 |
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38 | def is_periodic?
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39 | return !@period.nil?
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40 | end
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41 | end
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42 |
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43 | class Event < Locatable
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44 | attr_reader :data, :time
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45 | attr_accessor :state
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46 |
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47 | def initialize(args = { })
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48 | super(args)
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49 | self.data = args[:data]
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50 | self.time = args[:time]
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51 | self.state = args[:state]
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52 | end
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53 |
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54 | def data=(data)
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55 | raise ArgumentError, 'data is mandatory' if data.nil?
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56 | @data = data
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57 | end
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58 |
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59 | def time=(time)
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60 | raise ArgumentError, 'time is mandatory' if time.nil?
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61 | @time = time
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62 | end
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63 |
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64 | def offset
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65 | return @time.diff(@parent.origin)
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66 | end
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67 | end
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68 |
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69 | class PointEvent < Event
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70 |
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71 | end
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72 |
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73 | class IntervalEvent < Event
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74 | attr_reader :width, :math_function
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75 | attr_accessor :sample_count
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76 |
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77 | def initialize(args = { })
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78 | super(args)
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79 | self.width = args[:width]
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80 | self.math_function = args[:math_function]
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81 | self.sample_count = args[:sample_count]
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82 | end
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83 |
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84 | def width=(width)
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85 | raise ArgumentError, 'width is mandatory' if width.nil?
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86 | @width = width
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87 | end
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88 |
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89 | def math_function=(math_function)
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90 | if math_function.nil?
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91 | raise ArgumentError, 'math_function is mandatory'
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92 | end
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93 | @math_function = math_function
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94 | end
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95 |
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96 | def interval_start_time
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97 | date_time = ::Time.iso8601(time.as_string)
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98 | start_time = (@width.years).years.ago date_time
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99 | start_time = (@width.months).months.ago start_time
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100 | start_time = (@width.days).days.ago start_time
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101 | start_time = (@width.hours).hours.ago start_time
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102 | start_time = (@width.minutes).minutes.ago start_time
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103 | seconds = @width.seconds
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104 | unless @width.fractional_second.nil?
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105 | seconds += @width.fractional_second
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106 | end
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107 | start_time = seconds.ago start_time
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108 | return DvDateTime.new(:value => start_time.iso8601)
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109 | end
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110 | end
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111 | end # end of History
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112 | end # end of DataStructure
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113 | end # end of RM
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114 | end # end of OpenEHR
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