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require 'chef/event_dispatch/base'
class Chef
module EventDispatch
# == EventDispatch::Dispatcher
# The Dispatcher handles receiving event data from the sources
# (Chef::Client, Resources and Providers, etc.) and publishing the data to
# the registered subscribers.
class Dispatcher < Base
def initialize(*subscribers)
@subscribers = subscribers
end
# Add a new subscriber to the list of registered subscribers
def register(subscriber)
@subscribers << subscriber
end
####
# All messages are unconditionally forwarded to all subscribers, so just
# define the forwarding in one go:
#
# Define a method that will be forwarded to all
def self.def_forwarding_method(method_name)
class_eval(<<-END_OF_METHOD, __FILE__, __LINE__)
def #{method_name}(*args)
@subscribers.each {|s| s.#{method_name}(*args)}
end
END_OF_METHOD
end
(Base.instance_methods - Object.instance_methods).each do |method_name|
def_forwarding_method(method_name)
end
end
end
end
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