diff options
Diffstat (limited to 'railties/guides/source')
| -rw-r--r-- | railties/guides/source/configuring.textile | 2 | ||||
| -rw-r--r-- | railties/guides/source/initialization.textile | 6 | ||||
| -rw-r--r-- | railties/guides/source/rails_on_rack.textile | 51 |
3 files changed, 1 insertions, 58 deletions
diff --git a/railties/guides/source/configuring.textile b/railties/guides/source/configuring.textile index bd2289890a..ab72b48034 100644 --- a/railties/guides/source/configuring.textile +++ b/railties/guides/source/configuring.textile @@ -63,8 +63,6 @@ h4. Rails General Configuration * +config.logger+ accepts a logger conforming to the interface of Log4r or the default Ruby 1.8+ Logger class, which is then used to log information from Action Controller. Set to nil to disable logging. -* +config.metals+ accepts an array used as the metals to load. If this is set to nil, all metals will be loaded in alphabetical order. If this is set to [], no metals will be loaded. Otherwise metals will be loaded in the order specified - * +config.plugin_loader+ overrides the class that handles loading each plugin. Defaults to +Rails::Plugin::Loader+. * +config.plugin_locators+ overrides the class that handle finding the desired plugins that you‘d like to load for your application. By default it is the +Rails::Plugin::FileSystemLocator+. diff --git a/railties/guides/source/initialization.textile b/railties/guides/source/initialization.textile index cccbb9df06..58ae115ba7 100644 --- a/railties/guides/source/initialization.textile +++ b/railties/guides/source/initialization.textile @@ -668,7 +668,6 @@ This file requires _rails/railtie.rb_ which defines +Rails::Railtie+. * add_routing_namespaces * add_locales * add_view_paths -* add_metals * add_generator_templates * load_application_initializers * load_application_classes @@ -726,7 +725,6 @@ This file is used to set up the +Rails::Paths+ module which is used to set up he paths.app.helpers "app/helpers", :eager_load => true paths.app.models "app/models", :eager_load => true paths.app.mailers "app/mailers", :eager_load => true - paths.app.metals "app/metal", :eager_load => true paths.app.views "app/views", :eager_load => true paths.lib "lib", :load_path => true paths.lib.tasks "lib/tasks", :glob => "**/*.rake" @@ -3154,7 +3152,6 @@ This method is defined like this: middleware.use('ActionDispatch::Cookies') middleware.use(lambda { ActionController::Base.session_store }, lambda { ActionController::Base.session_options }) middleware.use('ActionDispatch::Flash', :if => lambda { ActionController::Base.session_store }) - middleware.use(lambda { Rails::Rack::Metal.new(Rails.application.config.paths.app.metals.to_a, Rails.application.config.metals) }) middleware.use('ActionDispatch::ParamsParser') middleware.use('::Rack::MethodOverride') middleware.use('::ActionDispatch::Head') @@ -3288,7 +3285,7 @@ Finally, a +Rails::Application::Configuration+ object will be returned. On this <ruby> attr_accessor :after_initialize_blocks, :cache_classes, :colorize_logging, :consider_all_requests_local, :dependency_loading, - :load_once_paths, :logger, :metals, :plugins, + :load_once_paths, :logger, :plugins, :preload_frameworks, :reload_plugins, :serve_static_assets, :time_zone, :whiny_nils @@ -3574,7 +3571,6 @@ The +super+ method it references comes from +Rails::Engine::Configuration+ which paths.app.controllers "app/controllers", :eager_load => true paths.app.helpers "app/helpers", :eager_load => true paths.app.models "app/models", :eager_load => true - paths.app.metals "app/metal" paths.app.views "app/views" paths.lib "lib", :load_path => true paths.lib.tasks "lib/tasks", :glob => "**/*.rake" diff --git a/railties/guides/source/rails_on_rack.textile b/railties/guides/source/rails_on_rack.textile index 512be43668..eaebb05f17 100644 --- a/railties/guides/source/rails_on_rack.textile +++ b/railties/guides/source/rails_on_rack.textile @@ -222,57 +222,6 @@ use MyOwnStackFromStratch run ActionController::Dispatcher.new </ruby> -h3. Rails Metal Applications - -Rails Metal applications are minimal Rack applications specially designed for integrating with a typical Rails application. As Rails Metal Applications skip all of the Action Controller stack, serving a request has no overhead from the Rails framework itself. This is especially useful for infrequent cases where the performance of the full stack Rails framework is an issue. - -Ryan Bates' "Railscast on Rails Metal":http://railscasts.com/episodes/150-rails-metal provides a nice walkthrough generating and using Rails Metal. - -h4. Generating a Metal Application - -Rails provides a generator called +metal+ for creating a new Metal application: - -<shell> -$ rails generate metal poller -</shell> - -This generates +poller.rb+ in the +app/metal+ directory: - -<ruby> -# Allow the metal piece to run in isolation -require(File.dirname(__FILE__) + "/../../config/environment") unless defined?(Rails) - -class Poller - def self.call(env) - if env["PATH_INFO"] =~ /^\/poller/ - [200, {"Content-Type" => "text/html"}, ["Hello, World!"]] - else - [404, {"Content-Type" => "text/html", "X-Cascade" => "pass"}, ["Not Found"]] - end - end -end -</ruby> - -Metal applications within +app/metal+ folders in plugins will also be discovered and added to the list. - -Metal applications are an optimization. You should make sure to "understand the related performance implications":http://weblog.rubyonrails.org/2008/12/20/performance-of-rails-metal before using it. - -WARNING: To continue the Metal chain execution, return an +X-Cascade+ HTTP header with a value of +pass+. - -h4. Execution Order - -All Metal Applications are executed in alphabetical order of their filenames, so +aaa.rb+ will come before +bbb.rb+ in the metal chain. - -You can override the default ordering in your environment. Simply add a line like the following to +config/application.rb+ - -It is, however, possible to override the default ordering in your environment. Simply add a line like the following to +config/environment.rb+ - -<ruby> -config.metals = ["Bbb", "Aaa"] -</ruby> - -Each string in the array should be the name of your metal class. If you do this then be warned that any metal applications not listed will not be loaded. - h3. Resources h4. Learning Rack |