config_accessor(*names)
Instance Public methods
Allows you to add shortcut so that you don't have to refer to attribute through config. Also look at the example for config to contrast.
Defines both class and instance config accessors.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | class User include ActiveSupport::Configurable config_accessor :allowed_accessendUser.allowed_access # => nilUser.allowed_access = falseUser.allowed_access # => falseuser = User.newuser.allowed_access # => falseuser.allowed_access = trueuser.allowed_access # => trueUser.allowed_access # => false |
The attribute name must be a valid method name in Ruby.
1 2 3 4 5 | class User include ActiveSupport::Configurable config_accessor :"1_Badname"end# => NameError: invalid config attribute name |
To opt out of the instance writer method, pass instance_writer:
false. To opt out of the instance reader method, pass
instance_reader: false.
1 2 3 4 5 6 7 8 9 10 | class User include ActiveSupport::Configurable config_accessor :allowed_access, instance_reader: false, instance_writer: falseendUser.allowed_access = falseUser.allowed_access # => falseUser.new.allowed_access = true # => NoMethodErrorUser.new.allowed_access # => NoMethodError |
Or pass instance_accessor: false, to opt out both instance
methods.
1 2 3 4 5 6 7 8 9 10 | class User include ActiveSupport::Configurable config_accessor :allowed_access, instance_accessor: falseendUser.allowed_access = falseUser.allowed_access # => falseUser.new.allowed_access = true # => NoMethodErrorUser.new.allowed_access # => NoMethodError |
Also you can pass a block to set up the attribute with a default value.
1 2 3 4 5 6 7 8 | class User include ActiveSupport::Configurable config_accessor :hair_colors do [:brown, :black, :blonde, :red] endendUser.hair_colors # => [:brown, :black, :blonde, :red] |
Please login to continue.