Class: CategoricalPredicate

Inherits:
Object
  • Object
show all
Defined in:
lib/categorical_predicate.rb

Constant Summary collapse

IS_IN = 
'isIn'

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(pred_xml) ⇒ CategoricalPredicate 



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# File 'lib/categorical_predicate.rb', line 7

def initialize(pred_xml)
  attributes = pred_xml.attributes
  @field = attributes['field'].value.to_sym
  @array = pred_xml.children[0].content.tr('"', '').split('   ')
  @operator = attributes['booleanOperator'].value
end

Instance Attribute Details

#field ⇒ Object (readonly)

Returns the value of attribute field.



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# File 'lib/categorical_predicate.rb', line 5

def field
  @field
end

Instance Method Details

#format_boolean(features) ⇒ Object 



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# File 'lib/categorical_predicate.rb', line 19

def format_boolean(features)
  features[@field] = 'f' if features[@field] == false
  features[@field] = 't' if features[@field] == true
end

#true?(features) ⇒ Boolean 



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# File 'lib/categorical_predicate.rb', line 14

def true?(features)
  format_boolean(features)
  @array.include? features[@field] if @operator == IS_IN
end