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Merge pull request #1123 from dogmatic69/model-cache

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Breaking out the find so that it can be easily overloaded for caching
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José Lorenzo Rodríguez 2013-02-16 06:05:11 -08:00
commit ef592363d6
1 changed files with 28 additions and 0 deletions
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28
lib/Cake/Model/Model.php
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@ -2686,6 +2686,34 @@ class Model extends Object implements CakeEventListener {
return null; return null;
} }
return $this->_readDataSource($type, $query);
}
/**
* Read from the datasource
*
* Model::_readDataSource() is used by all find() calls to read from the data source and can be overloaded to allow
* caching of datasource calls.
*
* {{{
* protected function _readDataSource($type, $query) {
* $cacheName = md5(json_encode($query));
* $cache = Cache::read($cacheName, 'cache-config-name');
* if ($cache !== false) {
* return $cache;
* }
*
* $results = parent::_readDataSource($type, $query);
* Cache::write($cacheName, $results, 'cache-config-name');
* return $results;
* }
* }}}
*
* @param string $type Type of find operation (all / first / count / neighbors / list / threaded)
* @param array $query Option fields (conditions / fields / joins / limit / offset / order / page / group / callbacks)
* @return array
*/
protected function _readDataSource($type, $query) {
$results = $this->getDataSource()->read($this, $query); $results = $this->getDataSource()->read($this, $query);
$this->resetAssociations(); $this->resetAssociations();