instance method
run_callbacks
Ruby on Rails 2.2.3
Signature
run_callbacks(kind, options = {}, &block)Runs all the callbacks defined for the given options.
If a block is given it will be called after each callback receiving as arguments:
* the result from the callback
* the object which has the callbackIf the result from the block evaluates to false, the callback chain is stopped.
Example:
class Storage
include ActiveSupport::Callbacks
define_callbacks :before_save, :after_save
end
class ConfigStorage < Storage
before_save :pass
before_save :pass
before_save :stop
before_save :pass
def pass
puts "pass"
end
def stop
puts "stop"
return false
end
def save
result = run_callbacks(:before_save) { |result, object| result == false }
puts "- save" if result
end
end
config = ConfigStorage.new
config.save
Output:
pass
pass
stop
Parameters
-
kindreq -
optionsopt = {} -
blockblock
Source
# File activesupport/lib/active_support/callbacks.rb, line 276
def run_callbacks(kind, options = {}, &block)
self.class.send("#{kind}_callback_chain").run(self, options, &block)
end
Defined in activesupport/lib/active_support/callbacks.rb line 276
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Defined in ActiveSupport::Callbacks