Class: Linkage::Comparators::Within

Inherits:
Binary show all
Defined in:
lib/linkage/comparators/within.rb

Constant Summary collapse

@@parameters = 
[
  [:any, :static => false, :side => :first],
  [Fixnum],
  [:any, :same_type_as => 0, :static => false, :side => :second]
]
@@comparator_name = 
'within'

Instance Attribute Summary

Attributes inherited from Linkage::Comparator

#args, #lhs_args, #rhs_args

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Binary

score_range

Methods inherited from Linkage::Comparator

[], register, score_range

Constructor Details

#initialize(*args) ⇒ Within

Returns a new instance of Within.



18
19
20
21
22
23
 
# File 'lib/linkage/comparators/within.rb', line 18

def initialize(*args)
  super
  @name_1 = @args[0].name
  @value = @args[1].object
  @name_2 = @args[2].name
end

Class Method Details

.comparator_name ⇒ Object 



14
15
16
 
# File 'lib/linkage/comparators/within.rb', line 14

def self.comparator_name
  @@comparator_name
end

.parameters ⇒ Object 



9
10
11
 
# File 'lib/linkage/comparators/within.rb', line 9

def self.parameters
  @@parameters
end

Instance Method Details

#score(record_1, record_2) ⇒ Object 



25
26
27
 
# File 'lib/linkage/comparators/within.rb', line 25

def score(record_1, record_2)
  (record_1[@name_1] - record_2[@name_2]).abs <= @value ? 1 : 0
end