Module: Direction

Defined in:
lib/direction.rb,
lib/direction/version.rb

Overview

relationship between objects.

Constant Summary collapse

VERSION = 
"2.0.1"

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.extended(base) ⇒ Object 



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# File 'lib/direction.rb', line 21

def self.extended(base)
  base.extend Forwardable
end

Instance Method Details

#command(**options) ⇒ Object

Forward messages and return self, protecting the encapsulation of the object



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# File 'lib/direction.rb', line 26

def command(**options)
  options.each do |methods, accessor|
    methods.each { |method_name| def_command accessor, method_name }
  end
end

#def_command(accessor, method_name, aliased_method_name = method_name) ⇒ Object

Create an individual command with an optional alias

Defines the forwarding method directly rather than via Forwardable so that method names which aren’t plain identifiers – bang (reload!), predicate (ready?), setter (value=) or operator methods – are supported.



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# File 'lib/direction.rb', line 37

def def_command accessor, method_name, aliased_method_name = method_name
  define_method aliased_method_name do |*args, **kwargs, &block|
    receiver = accessor.to_s.start_with?("@") ? instance_variable_get(accessor) : __send__(accessor)
    receiver.__send__(method_name, *args, **kwargs, &block)
    self
  end
end

#query(**options) ⇒ Object

Forward messages and return the result of the forwarded message



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# File 'lib/direction.rb', line 46

def query(**options)
  instance_delegate options
end