Module: Surrounded::Context::Initializing

Extended by:
Seclusion
Defined in:
lib/surrounded/context/initializing.rb

Instance Method Summary collapse

Methods included from Seclusion

private_attr_reader, private_const_set

Instance Method Details

#apply_initializer_block(instance) ⇒ Object



23
24
25
# File 'lib/surrounded/context/initializing.rb', line 23

def apply_initializer_block(instance)
  instance.instance_eval(&initializer_block) if initializer_block
end

#default_initializer(params, setup_args, &block) ⇒ Object



27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
# File 'lib/surrounded/context/initializing.rb', line 27

def default_initializer(params, setup_args, &block)
  private_attr_reader(*setup_args)
  @initializer_block = block
  mod = Module.new
  line = __LINE__; mod.class_eval %{
    def initialize(#{params})
      @role_map = role_mapper_class.new
      @initializer_arguments = Hash[#{setup_args.to_s}.zip([#{setup_args.join(',')}])]
      map_roles(@initializer_arguments)
      self.class.apply_initializer_block(self)
    end
  }, __FILE__, line
  const_set("ContextInitializer", mod)
  include mod
  private_attr_reader :initializer_arguments
end

#initialize(*setup_args, &block) ⇒ Object Also known as: keyword_initialize



12
13
14
15
# File 'lib/surrounded/context/initializing.rb', line 12

def initialize(*setup_args, &block)
  parameters = setup_args.map{|a| "#{a}:"}.join(',')
  default_initializer(parameters, setup_args, &block)
end

#initialize_without_keywords(*setup_args, &block) ⇒ Object

Shorthand for creating an instance level initialize method which handles the mapping of the given arguments to their named role.



7
8
9
10
# File 'lib/surrounded/context/initializing.rb', line 7

def initialize_without_keywords(*setup_args, &block)
  parameters = setup_args.join(',')
  default_initializer(parameters, setup_args, &block)
end

#initializer_blockObject



19
20
21
# File 'lib/surrounded/context/initializing.rb', line 19

def initializer_block
  @initializer_block
end