Class: Octiron::World::AutoTransmogrifyDelegator Private

Inherits:
TransmogrifierRegistrator show all
Defined in:
lib/octiron/world.rb

Overview

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Delegator for the autotransmogiry(FROM).to TO syntax

Instance Method Summary collapse

Constructor Details

#initialize(from, verify_results = false) ⇒ AutoTransmogrifyDelegator

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of AutoTransmogrifyDelegator.



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# File 'lib/octiron/world.rb', line 74

def initialize(from, verify_results = false)
  @from = from
  @verify_results = verify_results
end

Instance Method Details

#to(to, transmogrifier_object = nil, &transmogrifier_proc) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/octiron/world.rb', line 79

def to(to, transmogrifier_object = nil, &transmogrifier_proc)
  # First register the transmogrifier
  super

  # Then create an event handler that chains the transmogrify step with a
  # publish step.
  ::Octiron::World.event_bus.subscribe(@from) do |event|
    # By default, we don't want to raise errors if the transmogrifier
    # returns nil. Still, raising should be activated optionally.
    new_ev = ::Octiron::World.transmogrifier_registry.transmogrify(
        event, to,
        @verify_results
    )
    ::Octiron::World.event_bus.publish(new_ev)
  end
end