diff options
Diffstat (limited to 'activesupport/lib/active_support/callbacks.rb')
| -rw-r--r-- | activesupport/lib/active_support/callbacks.rb | 29 |
1 files changed, 9 insertions, 20 deletions
diff --git a/activesupport/lib/active_support/callbacks.rb b/activesupport/lib/active_support/callbacks.rb index 6e36edee4f..4e319b4bba 100644 --- a/activesupport/lib/active_support/callbacks.rb +++ b/activesupport/lib/active_support/callbacks.rb @@ -23,8 +23,6 @@ module ActiveSupport # methods, procs or lambdas, or callback objects that respond to certain predetermined # methods. See +ClassMethods.set_callback+ for details. # - # ==== Example - # # class Record # include ActiveSupport::Callbacks # define_callbacks :save @@ -54,7 +52,6 @@ module ActiveSupport # saving... # - save # saved - # module Callbacks extend Concern @@ -73,10 +70,9 @@ module ActiveSupport # run_callbacks :save do # save # end - # - def run_callbacks(kind, key = nil, &block) - #TODO: deprecate key argument - self.class.__run_callbacks(kind, self, &block) + def run_callbacks(kind, &block) + runner_name = self.class.__define_callbacks(kind, self) + send(runner_name, &block) end private @@ -187,7 +183,7 @@ module ActiveSupport # Compile around filters with conditions into proxy methods # that contain the conditions. # - # For `around_save :filter_name, :if => :condition': + # For `set_callback :save, :around, :filter_name, :if => :condition': # # def _conditional_callback_save_17 # if condition @@ -198,7 +194,6 @@ module ActiveSupport # yield self # end # end - # def define_conditional_callback name = "_conditional_callback_#{@kind}_#{next_id}" @klass.class_eval <<-RUBY_EVAL, __FILE__, __LINE__ + 1 @@ -252,7 +247,6 @@ module ActiveSupport # Objects:: # a method is created that calls the before_foo method # on the object. - # def _compile_filter(filter) method_name = "_callback_#{@kind}_#{next_id}" case filter @@ -323,18 +317,17 @@ module ActiveSupport method << callbacks method << "halted ? false : (block_given? ? value : true)" - method.flatten.compact.join("\n") + method.join("\n") end end module ClassMethods - # This method runs callback chain for the given kind. - # If this called first time it creates a new callback method for the kind. + # This method defines callback chain method for the given kind + # if it was not yet defined. # This generated method plays caching role. - # - def __run_callbacks(kind, object, &blk) #:nodoc: + def __define_callbacks(kind, object) #:nodoc: name = __callback_runner_name(kind) unless object.respond_to?(name, true) str = object.send("_#{kind}_callbacks").compile @@ -343,7 +336,7 @@ module ActiveSupport protected :#{name} RUBY_EVAL end - object.send(name, &blk) + name end def __reset_runner(symbol) @@ -405,7 +398,6 @@ module ActiveSupport # will be called only when it returns a false value. # * <tt>:prepend</tt> - If true, the callback will be prepended to the existing # chain rather than appended. - # def set_callback(name, *filter_list, &block) mapped = nil @@ -430,7 +422,6 @@ module ActiveSupport # class Writer < Person # skip_callback :validate, :before, :check_membership, :if => lambda { self.age > 18 } # end - # def skip_callback(name, *filter_list, &block) __update_callbacks(name, filter_list, block) do |target, chain, type, filters, options| filters.each do |filter| @@ -449,7 +440,6 @@ module ActiveSupport end # Remove all set callbacks for the given event. - # def reset_callbacks(symbol) callbacks = send("_#{symbol}_callbacks") @@ -530,7 +520,6 @@ module ActiveSupport # define_callbacks :save, :scope => [:name] # # would call <tt>Audit#save</tt>. - # def define_callbacks(*callbacks) config = callbacks.last.is_a?(Hash) ? callbacks.pop : {} callbacks.each do |callback| |