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Contents
module Dynflow
class Middleware::World
include Algebrick::TypeCheck
def initialize
@register = Middleware::Register.new
clear_cache!
end
def use(*args)
clear_cache!
@register.use(*args)
end
def execute(method, action_or_class, *args, &block)
Match! method, :delay, :plan, :run, :finalize, :plan_phase, :finalize_phase, :present, :hook
if Child? action_or_class, Dynflow::Action
action = nil
action_class = action_or_class
elsif Type? action_or_class, Dynflow::Action
action = action_or_class
action_class = action.class
else
Algebrick::TypeCheck.error action_or_class, 'is not instance or child class', Dynflow::Action
end
classes = middleware_classes(action_class)
stack = Middleware::Stack.build(classes, method, action, &block)
stack.call(*args)
end
def clear_cache!
@middleware_classes_cache = {}
end
private
def cumulate_register(action_class, register = Middleware::Register.new)
register.merge!(@register)
unless action_class == Dynflow::Action
cumulate_register(action_class.superclass, register)
end
register.merge!(action_class.middleware)
return register
end
def middleware_classes(action_class)
unless @middleware_classes_cache.key?(action_class)
register = cumulate_register(action_class)
resolver = Dynflow::Middleware::Resolver.new(register)
@middleware_classes_cache[action_class] = resolver.result
end
return @middleware_classes_cache[action_class]
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems