gistfile1.rb

composed_of :amount,
               :class_name => 'Money',
               :mapping => [%w(amount value), %w(currency_id currency_id)],
               :constructor => Proc.new { |amount, currency_id| Money.new(amount, currency_id) }
               
 
 
 
class  Money
 attr_reader :value, currency_id
 def initialize(value, currency_id)
    @value = value
    @currency_id = currency_id
  end
end


Error : NoMethodError: undefined method `value' for 80:Fixnum

  t = Transaction.create!(amount: 100, currency: Currency.last, wallet: Wallet.last, description: "A", direction: 'Cr')

  Currency Load (0.4ms)  SELECT  `currencies`.* FROM `currencies`   ORDER BY `currencies`.`id` DESC LIMIT 1
  Wallet Load (0.3ms)  SELECT  `wallets`.* FROM `wallets`   ORDER BY `wallets`.`id` DESC LIMIT 1
NoMethodError: undefined method `value' for 100:Fixnum
	from /Users/rajeevnb/.rvm/gems/ruby-2.1.1@eWallet/gems/activerecord-4.1.5/lib/active_record/aggregations.rb:255:in `block (2 levels) in writer_method'
	from /Users/rajeevnb/.rvm/gems/ruby-2.1.1@eWallet/gems/activerecord-4.1.5/lib/active_record/aggregations.rb:255:in `each'
	from /Users/rajeevnb/.rvm/gems/ruby-2.1.1@eWallet/gems/activerecord-4.1.5/lib/active_record/aggregations.rb:255:in `block in writer_method'
	from /Users/rajeevnb/.rvm/gems/ruby-2.1.1@eWallet/gems/activerecord-4.1.5/lib/active_record/attribute_assignment.rb:45:in `public_send'
	from /Users/rajeevnb/.rvm/gems/ruby-2.1.1@eWallet/gems/activerecord-4.1.5/lib/active_record/attribute_assignment.rb:45:in `_assign_attribute'
	from /Users/rajeevnb/.rvm/gems/ruby-2.1.1@eWallet/gems/protected_attributes-1.0.8/lib/active_record/mass_assignment_security/attribute_assignment.rb:67:in `block in assign_attributes'
	from /Users/rajeevnb/.rvm/gems/ruby-2.1.1@eWallet/gems/protected_attributes-1.0.8/lib/active_record/mass_assignment_security/attribute_assignment.rb:61:in `each'
	from /Users/rajeevnb/.rvm/gems/ruby-2.1.1@eWallet/gems/protected_attributes-1.0.8/lib/active_record/mass_assignment_security/attribute_assignment.rb:61:in `assign_attributes'
	from /Users/rajeevnb/.rvm/gems/ruby-2.1.1@eWallet/gems/protected_attributes-1.0.8/lib/active_record/mass_assignment_security/core.rb:8:in `init_attributes'
	from /Users/rajeevnb/.rvm/gems/ruby-2.1.1@eWallet/gems/activerecord-4.1.5/lib/active_record/core.rb:198:in `initialize'
	from /Users/rajeevnb/.rvm/gems/ruby-2.1.1@eWallet/gems/activerecord-4.1.5/lib/active_record/inheritance.rb:30:in `new'
	from /Users/rajeevnb/.rvm/gems/ruby-2.1.1@eWallet/gems/activerecord-4.1.5/lib/active_record/inheritance.rb:30:in `new'
	from /Users/rajeevnb/.rvm/gems/ruby-2.1.1@eWallet/gems/protected_attributes-1.0.8/lib/active_record/mass_assignment_security/validations.rb:15:in `create!'
	from (irb):9
	from /Users/rajeevnb/.rvm/gems/ruby-2.1.1@eWallet/gems/railties-4.1.5/lib/rails/commands/console.rb:90:in `start'
	from /Users/rajeevnb/.rvm/gems/ruby-2.1.1@eWallet/gems/railties-4.1.5/lib/rails/commands/console.rb:9:in `start'
	from /Users/rajeevnb/.rvm/gems/ruby-2.1.1@eWallet/gems/railties-4.1.5/lib/rails/commands/commands_tasks.rb:69:in `console'
	from /Users/rajeevnb/.rvm/gems/ruby-2.1.1@eWallet/gems/railties-4.1.5/lib/rails/commands/commands_tasks.rb:40:in `run_command!'
	from /Users/rajeevnb/.rvm/gems/ruby-2.1.1@eWallet/gems/railties-4.1.5/lib/rails/commands.rb:17:in `<top (required)>'
	from bin/rails:4:in `require'
	from bin/rails:4:in `<main>'>>