diff options
Diffstat (limited to 'activesupport/lib')
-rw-r--r-- | activesupport/lib/active_support.rb | 1 | ||||
-rw-r--r-- | activesupport/lib/active_support/callbacks.rb | 10 | ||||
-rw-r--r-- | activesupport/lib/active_support/core_ext/class/subclasses.rb | 10 | ||||
-rw-r--r-- | activesupport/lib/active_support/descendants_tracker.rb | 39 |
4 files changed, 52 insertions, 8 deletions
diff --git a/activesupport/lib/active_support.rb b/activesupport/lib/active_support.rb index e34e46b4cf..f93b351655 100644 --- a/activesupport/lib/active_support.rb +++ b/activesupport/lib/active_support.rb @@ -51,6 +51,7 @@ module ActiveSupport autoload :Concern autoload :Configurable autoload :Deprecation + autoload :DescendantsTracker autoload :Gzip autoload :Inflector autoload :JSON diff --git a/activesupport/lib/active_support/callbacks.rb b/activesupport/lib/active_support/callbacks.rb index 3ff33eea72..c4e1eb2c04 100644 --- a/activesupport/lib/active_support/callbacks.rb +++ b/activesupport/lib/active_support/callbacks.rb @@ -1,6 +1,6 @@ +require 'active_support/descendants_tracker' require 'active_support/core_ext/array/wrap' require 'active_support/core_ext/class/inheritable_attributes' -require 'active_support/core_ext/class/subclasses' require 'active_support/core_ext/kernel/reporting' require 'active_support/core_ext/kernel/singleton_class' @@ -85,6 +85,10 @@ module ActiveSupport module Callbacks extend Concern + included do + extend ActiveSupport::DescendantsTracker + end + def run_callbacks(kind, *args, &block) send("_run_#{kind}_callbacks", *args, &block) end @@ -428,7 +432,7 @@ module ActiveSupport options = filters.last.is_a?(Hash) ? filters.pop : {} filters.unshift(block) if block - ([self] + self.descendents).each do |target| + ([self] + self.descendants).each do |target| chain = target.send("_#{name}_callbacks") yield chain, type, filters, options target.__define_runner(name) @@ -502,7 +506,7 @@ module ActiveSupport def reset_callbacks(symbol) callbacks = send("_#{symbol}_callbacks") - self.descendents.each do |target| + self.descendants.each do |target| chain = target.send("_#{symbol}_callbacks") callbacks.each { |c| chain.delete(c) } target.__define_runner(symbol) diff --git a/activesupport/lib/active_support/core_ext/class/subclasses.rb b/activesupport/lib/active_support/core_ext/class/subclasses.rb index bbd8f5aef6..7d58a8b56a 100644 --- a/activesupport/lib/active_support/core_ext/class/subclasses.rb +++ b/activesupport/lib/active_support/core_ext/class/subclasses.rb @@ -11,9 +11,9 @@ class Class #:nodoc: # Rubinius if defined?(Class.__subclasses__) - def descendents + def descendants subclasses = [] - __subclasses__.each {|k| subclasses << k; subclasses.concat k.descendents } + __subclasses__.each {|k| subclasses << k; subclasses.concat k.descendants } subclasses end else @@ -21,7 +21,7 @@ class Class #:nodoc: begin ObjectSpace.each_object(Class.new) {} - def descendents + def descendants subclasses = [] ObjectSpace.each_object(class << self; self; end) do |k| subclasses << k unless k == self @@ -30,7 +30,7 @@ class Class #:nodoc: end # JRuby rescue StandardError - def descendents + def descendants subclasses = [] ObjectSpace.each_object(Class) do |k| subclasses << k if k < self @@ -48,7 +48,7 @@ class Class #:nodoc: def self.subclasses_of(*superclasses) #:nodoc: subclasses = [] superclasses.each do |klass| - subclasses.concat klass.descendents.select {|k| k.anonymous? || k.reachable?} + subclasses.concat klass.descendants.select {|k| k.anonymous? || k.reachable?} end subclasses end diff --git a/activesupport/lib/active_support/descendants_tracker.rb b/activesupport/lib/active_support/descendants_tracker.rb new file mode 100644 index 0000000000..a587d7770c --- /dev/null +++ b/activesupport/lib/active_support/descendants_tracker.rb @@ -0,0 +1,39 @@ +require 'active_support/dependencies' + +module ActiveSupport + # This module provides an internal implementation to track descendants + # which is faster than iterating through ObjectSpace. + module DescendantsTracker + @@descendants = Hash.new { |h, k| h[k] = [] } + + def self.descendants + @@descendants + end + + def self.clear + @@descendants.each do |klass, descendants| + if ActiveSupport::Dependencies.autoloaded?(klass) + @@descendants.delete(klass) + else + descendants.reject! { |v| ActiveSupport::Dependencies.autoloaded?(v) } + end + end + end + + def inherited(base) + self.direct_descendants << base + super + end + + def direct_descendants + @@descendants[self] + end + + def descendants + @@descendants[self].inject([]) do |descendants, klass| + descendants << klass + descendants.concat klass.descendants + end + end + end +end
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