Class: ApacheCrunch::DerivationRuleFinder

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

Class Method Summary collapse

Class Method Details

._build_rule_map ⇒ Object 



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# File 'lib/derivation.rb', line 101

def self._build_rule_map
    hsh = {}
    @_rules.each do |rule_cls|
        r = rule_cls.new
        r.target_names.each do |target_element|
            hsh[target_element] = r
        end
    end

    hsh
end

.find(element_name) ⇒ Object

Returns a derivation rule that derives element with the given name



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# File 'lib/derivation.rb', line 96

def self.find(element_name)
    @_rule_map = self._build_rule_map if @_rule_map.nil?
    @_rule_map[element_name]
end