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author | Olek Janiszewski <olek.janiszewski@gmail.com> | 2012-01-18 23:03:55 +0100 |
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committer | Olek Janiszewski <olek.janiszewski@gmail.com> | 2012-01-18 23:23:41 +0100 |
commit | 7afbc89c37e56531c9ef4e34369e329aab1b21de (patch) | |
tree | b2647a40311d813c21712dd5f78fe53f7b76ede8 /railties/guides/code/getting_started/config/initializers | |
parent | 423b2626d85f75bb5fec03909ff8963bded7c7d5 (diff) | |
download | rails-7afbc89c37e56531c9ef4e34369e329aab1b21de.tar.gz rails-7afbc89c37e56531c9ef4e34369e329aab1b21de.tar.bz2 rails-7afbc89c37e56531c9ef4e34369e329aab1b21de.zip |
Add ActiveRecord::Base#with_lock
Add a `with_lock` method to ActiveRecord objects, which starts
a transaction, locks the object (pessimistically) and yields to the block.
The method takes one (optional) parameter and passes it to `lock!`.
Before:
class Order < ActiveRecord::Base
def cancel!
transaction do
lock!
# ... cancelling logic
end
end
end
After:
class Order < ActiveRecord::Base
def cancel!
with_lock do
# ... cancelling logic
end
end
end
Diffstat (limited to 'railties/guides/code/getting_started/config/initializers')
0 files changed, 0 insertions, 0 deletions