[168] | 1 | module OpenEHR
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| 2 | module Assumed_Library_Types
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[4] | 3 | class Interval
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| 4 | attr_reader :lower, :lower_included, :lower_unbounded
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| 5 | attr_reader :upper, :upper_included, :upper_unbounded
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| 6 | def initialize(lower, upper,
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| 7 | lower_included = nil, upper_included = nil)
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| 8 | check_lower_upper(lower, upper)
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| 9 | set_lower_included(lower_included)
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| 10 | set_upper_included(upper_included)
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| 11 | end
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[21] | 12 |
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[4] | 13 | def set_lower(lower)
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| 14 | check_lower_upper(lower, @upper)
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| 15 | end
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[21] | 16 |
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[4] | 17 | def set_upper(upper)
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| 18 | check_lower_upper(@lower, upper)
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| 19 | end
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[21] | 20 |
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[4] | 21 | def set_lower_included(lower_included)
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| 22 | if (lower == nil) && (lower_included != nil)
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| 23 | raise ArgumentError, "lower is not set"
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| 24 | end
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| 25 | @lower_included = lower_included
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| 26 | end
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[21] | 27 |
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[4] | 28 | def set_upper_included(upper_included)
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| 29 | @upper_included = upper_included
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| 30 | if (upper == nil) && (upper_included != nil)
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| 31 | raise ArgumentError, "upper is not set"
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| 32 | end
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| 33 | end
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[21] | 34 |
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[4] | 35 | def has?(value)
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| 36 | if ((@lower < value) && (value < @upper) ||
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| 37 | (@lower_included == true) && (@lower == value) ||
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| 38 | (@upper_included == true) && (@upper == value))
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| 39 | true
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| 40 | else
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| 41 | false
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| 42 | end
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| 43 | end
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[21] | 44 |
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[4] | 45 | private
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[21] | 46 |
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[4] | 47 | def check_lower_upper(lower, upper)
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| 48 | if (lower == nil) && (upper == nil)
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| 49 | raise ArgumentError, "Either lower or upper must be assigned"
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| 50 | end
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| 51 | if (lower == nil) && (upper != nil)
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| 52 | @lower_unbounded = true
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| 53 | elsif (lower != nil) && (upper == nil)
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| 54 | @upper_unbounded = true
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| 55 | elsif lower > upper
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| 56 | raise ArgumentError, "Upper must be larger than lower."
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| 57 | end
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| 58 | @lower = lower
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| 59 | @upper = upper
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| 60 | end
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| 61 | end
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| 62 | end
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| 63 | end
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