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体验新版 GitCode,发现更多精彩内容 >>
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00d899e1
编写于
7月 16, 2009
作者:
R
Ryan Bigg
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差异文件
More documentation about methods taking blocks.
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activerecord/lib/active_record/callbacks.rb
activerecord/lib/active_record/callbacks.rb
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activerecord/lib/active_record/callbacks.rb
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00d899e1
...
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@@ -276,11 +276,19 @@ def create_with_callbacks #:nodoc:
private
:create_with_callbacks
# Is called _before_ <tt>Base.save</tt> on existing objects that have a record.
#
# class Contact < ActiveRecord::Base
# before_update { |record| logger.info( "Contact #{record.id} is about to be updated." ) }
# end
def
before_update
()
end
# Is called _after_ <tt>Base.save</tt> on existing objects that have a record.
# Note that this callback is still wrapped in the transaction around +save+. For example, if you
# invoke an external indexer at this point it won't see the changes in the database.
#
# class Contact < ActiveRecord::Base
# after_update { |record| logger.info( "Contact #{record.id} was updated." ) }
# end
def
after_update
()
end
def
update_with_callbacks
(
*
args
)
#:nodoc:
...
...
@@ -330,6 +338,10 @@ def valid_with_callbacks? #:nodoc:
#
# Note: If you need to _destroy_ or _nullify_ associated records first,
# use the <tt>:dependent</tt> option on your associations.
#
# class Contact < ActiveRecord::Base
# after_destroy { |record| logger.info( "Contact #{record.id} is about to be destroyed." ) }
# end
def
before_destroy
()
end
# Is called _after_ <tt>Base.destroy</tt> (and all the attributes have been frozen).
...
...
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