Class: Needle::Lifecycle::Initialize

Inherits:
Pipeline::Element show all
Defined in:
lib/needle/lifecycle/initialize.rb

Overview

The instantiation pipeline element that implements calling a separate initialization method on the instantiated service. This should always be placed in the pipeline as close to the service implementation as possible (hence, the low default priority).

Instance Attribute Summary

Attributes inherited from Pipeline::Element

#name, #options, #priority, #service_point, #succ

Instance Method Summary collapse

Methods inherited from Pipeline::Element

#<=>, #initialize, #reset!, set_default_priority

Constructor Details

This class inherits a constructor from Needle::Pipeline::Element

Instance Method Details

#call(*args) ⇒ Object

Invokes the next element of the chain. If the result responds to the requested initialization method, that method is invoked on the result, and the result is returned.



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# File 'lib/needle/lifecycle/initialize.rb', line 40

def call( *args )
  service = succ.call( *args )
  service.send @init_method if service.respond_to?( @init_method )
  service
end

#initialize_element ⇒ Object

Initialize the element. Looks at the options hash to determine the name of the initialization method to call, defaulting to :initialize_service.



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# File 'lib/needle/lifecycle/initialize.rb', line 33

def initialize_element
  @init_method = options[:init_method] || :initialize_service
end