diff options
Diffstat (limited to 'activesupport/lib/active_support/lazy_load_hooks.rb')
-rw-r--r-- | activesupport/lib/active_support/lazy_load_hooks.rb | 50 |
1 files changed, 25 insertions, 25 deletions
diff --git a/activesupport/lib/active_support/lazy_load_hooks.rb b/activesupport/lib/active_support/lazy_load_hooks.rb index 82507c1e03..c167efc1a7 100644 --- a/activesupport/lib/active_support/lazy_load_hooks.rb +++ b/activesupport/lib/active_support/lazy_load_hooks.rb @@ -1,32 +1,32 @@ -# lazy_load_hooks allows rails to lazily load a lot of components and thus making the app boot faster. Because of -# this feature now there is no need to require <tt>ActiveRecord::Base</tt> at boot time purely to apply configuration. Instead -# a hook is registered that applies configuration once <tt>ActiveRecord::Base</tt> is loaded. Here <tt>ActiveRecord::Base</tt> is used -# as example but this feature can be applied elsewhere too. -# -# Here is an example where +on_load+ method is called to register a hook. -# -# initializer "active_record.initialize_timezone" do -# ActiveSupport.on_load(:active_record) do -# self.time_zone_aware_attributes = true -# self.default_timezone = :utc -# end -# end -# -# When the entirety of +activerecord/lib/active_record/base.rb+ has been evaluated then +run_load_hooks+ is invoked. -# The very last line of +activerecord/lib/active_record/base.rb+ is: -# -# ActiveSupport.run_load_hooks(:active_record, ActiveRecord::Base) -# module ActiveSupport - @load_hooks = Hash.new {|h,k| h[k] = [] } - @loaded = {} + # lazy_load_hooks allows rails to lazily load a lot of components and thus making the app boot faster. Because of + # this feature now there is no need to require <tt>ActiveRecord::Base</tt> at boot time purely to apply configuration. Instead + # a hook is registered that applies configuration once <tt>ActiveRecord::Base</tt> is loaded. Here <tt>ActiveRecord::Base</tt> is used + # as example but this feature can be applied elsewhere too. + # + # Here is an example where +on_load+ method is called to register a hook. + # + # initializer "active_record.initialize_timezone" do + # ActiveSupport.on_load(:active_record) do + # self.time_zone_aware_attributes = true + # self.default_timezone = :utc + # end + # end + # + # When the entirety of +activerecord/lib/active_record/base.rb+ has been evaluated then +run_load_hooks+ is invoked. + # The very last line of +activerecord/lib/active_record/base.rb+ is: + # + # ActiveSupport.run_load_hooks(:active_record, ActiveRecord::Base) + # + @load_hooks = Hash.new { |h,k| h[k] = [] } + @loaded = Hash.new { |h,k| h[k] = [] } def self.on_load(name, options = {}, &block) - if base = @loaded[name] + @loaded[name].each do |base| execute_hook(base, options, block) - else - @load_hooks[name] << [block, options] end + + @load_hooks[name] << [block, options] end def self.execute_hook(base, options, block) @@ -38,7 +38,7 @@ module ActiveSupport end def self.run_load_hooks(name, base = Object) - @loaded[name] = base + @loaded[name] << base @load_hooks[name].each do |hook, options| execute_hook(base, options, hook) end |