Class: Weary::Deferred

Inherits:
Object
  • Object
show all
Defined in:
lib/weary/deferred.rb

Overview

A handy abstract proxy class that is used to proxy a domain model in an asynchronous fashion. Useful if you’re not interested in a Weary::Response object, but you want to pass that into a domain object when the response is available.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(future, model, callable = nil) ⇒ Deferred

Returns a new instance of Deferred.



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# File 'lib/weary/deferred.rb', line 15

def initialize(future, model, callable=nil)
  @future = future
  @model = model
  @callable = callable || ::Proc.new{|klass, response| klass.new(response) }
  @target = nil
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args, &block) ⇒ Object 



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# File 'lib/weary/deferred.rb', line 26

def method_missing(method, *args, &block)
  if @model.method_defined? method
    @target ||= @callable.call @model, @future
    @target.send(method, *args, &block)
  else
    super
  end
end

Instance Attribute Details

#callable ⇒ Object (readonly)

Returns the value of attribute callable.



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# File 'lib/weary/deferred.rb', line 13

def callable
  @callable
end

Instance Method Details

#complete? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/weary/deferred.rb', line 22

def complete?
  !!@target
end