Class: Wongi::Engine::SimpleCollector

Inherits:
Action
  • Object
show all
Defined in:
lib/wongi-engine/dsl/actions/simple_collector.rb

Instance Attribute Summary

Attributes inherited from Action

#name, #production, #rete, #rule

Class Method Summary collapse

Instance Method Summary collapse

Methods included from CoreExt

included

Constructor Details

#initialize(variable, name = nil) ⇒ SimpleCollector

Returns a new instance of SimpleCollector.



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# File 'lib/wongi-engine/dsl/actions/simple_collector.rb', line 9

def initialize variable, name = nil
  @variable = variable
  @name = name if name
#(class << self; self; end).instance_eval do
    #        define_method method do
    #          collect variable
    #        end
#    alias_method method, :default_collect
#  end
end

Class Method Details

.collector ⇒ Object 



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# File 'lib/wongi-engine/dsl/actions/simple_collector.rb', line 5

def self.collector
  Class.new self
end

Instance Method Details

#collect(var) ⇒ Object 



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# File 'lib/wongi-engine/dsl/actions/simple_collector.rb', line 32

def collect var
  production.tokens.map { |token| token[var] }
end

#default_collect ⇒ Object 



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# File 'lib/wongi-engine/dsl/actions/simple_collector.rb', line 20

def default_collect
  collect @variable
end

#name=(n) ⇒ Object 



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# File 'lib/wongi-engine/dsl/actions/simple_collector.rb', line 24

def name= n
  @name = n unless @name
end

#rete=(rete) ⇒ Object 



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# File 'lib/wongi-engine/dsl/actions/simple_collector.rb', line 28

def rete= rete
  rete.add_collector self, name
end