1  
   2  module JCV
   3    def self.included(the_class)
   4      class << the_class
   5        def acts_like_java_class_variable( *arg)
   6  
   7          the_class = self
   8          singleton_class = class << self; self; end
   9          arg.each do |var|
  10            singleton_class.send :define_method, "#{var}",
  11                                 & lambda{ the_class.send "__real_#{var}"}
  12            singleton_class.send :define_method, "#{var}=",
  13                                 & lambda{|c| the_class.send "__real_#{var}=",c}
  14            singleton_class.send :define_method, "__real_#{var}",
  15                                 & lambda{ instance_variable_get "@#{var}"}
  16            singleton_class.send :define_method, "__real_#{var}=",
  17                                 & lambda{|c| instance_variable_set "@#{var}", c}
  18          end
  19        end
  20      end
  21    end
  22  end
  23  
  24  class A
  25    include JCV
  26    acts_like_java_class_variable :count
  27  
  28    @count = 0
  29    def initialize
  30      A.count +=1
  31    end
  32  end
  33