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