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author | Carlos Antonio da Silva <carlosantoniodasilva@gmail.com> | 2012-04-27 20:44:08 -0300 |
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committer | Carlos Antonio da Silva <carlosantoniodasilva@gmail.com> | 2012-04-27 20:44:09 -0300 |
commit | 9d1f6edbe0aa6f95f55464136e39fb4e2e4643f2 (patch) | |
tree | 80c97030e7e28a96387eab6659fb84e8dd484f8c /activemodel/lib/active_model | |
parent | 3e8d88f7da5226b6dd4e3aee87a84d99d668a652 (diff) | |
download | rails-9d1f6edbe0aa6f95f55464136e39fb4e2e4643f2.tar.gz rails-9d1f6edbe0aa6f95f55464136e39fb4e2e4643f2.tar.bz2 rails-9d1f6edbe0aa6f95f55464136e39fb4e2e4643f2.zip |
Return earlier if attribute already changed in *_will_change! methods
Avoid obtaining the value and duplicating it when possible.
Diffstat (limited to 'activemodel/lib/active_model')
-rw-r--r-- | activemodel/lib/active_model/dirty.rb | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/activemodel/lib/active_model/dirty.rb b/activemodel/lib/active_model/dirty.rb index d327913824..7f7fb90d87 100644 --- a/activemodel/lib/active_model/dirty.rb +++ b/activemodel/lib/active_model/dirty.rb @@ -151,13 +151,15 @@ module ActiveModel # Handle <tt>*_will_change!</tt> for +method_missing+. def attribute_will_change!(attr) + return if attribute_changed?(attr) + begin value = __send__(attr) value = value.duplicable? ? value.clone : value rescue TypeError, NoMethodError end - changed_attributes[attr] = value unless changed_attributes.include?(attr) + changed_attributes[attr] = value end # Handle <tt>reset_*!</tt> for +method_missing+. |