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Update:Remora Database/Object Caching: Difference between revisions
Update:Remora Database/Object Caching (view source)
Revision as of 01:34, 21 September 2008
, 21 September 2008parent callback explanation: bug 456090.
(parent callback explanation: bug 456090.) |
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In {{bug|425315}}/ | In {{bug|425315}}/{{SVN|18173}}, a new object-based memcaching framework landed. This page outlines the basic concepts and use instructions. | ||
== Basic concepts == | == Basic concepts == | ||
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// put a list ID on the list of lists to delete off the cache (6) | // put a list ID on the list of lists to delete off the cache (6) | ||
$this->Cache->markListForFlush("addon:{$this->id}"); | $this->Cache->markListForFlush("addon:{$this->id}"); | ||
// as always, remember to call the parent's callback before returning (7) | |||
return parent::afterSave(); | |||
} | } | ||
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=== 6: instant cache invalidation === | === 6: instant cache invalidation === | ||
At write time, we use markListForFlush() to mark one or more of the expiration list IDs for flushing. Each of these lists will be looped through and each contained object ID will be deleted from memcache. | At write time, we use markListForFlush() to mark one or more of the expiration list IDs for flushing. Each of these lists will be looped through and each contained object ID will be deleted from memcache. | ||
=== 7: parent callback === | |||
Our app_model contains code for the translation framework. Failure to call the parent's afterSave() callback after it was overwritten in the Addon model caused translations not to be saved ({{bug|456090}}), so... remember to do that. | |||