Class QueryCacher
Handles caching queries and loading results from the cache.
Used by Cake\Datasource\QueryTrait internally.
Namespace: Cake\Datasource
See: \Cake\Datasource\QueryTrait::cache() for the public interface.
Located at Datasource/QueryCacher.php
See: \Cake\Datasource\QueryTrait::cache() for the public interface.
Located at Datasource/QueryCacher.php
Method Detail
__constructsource public
__construct( string|Closure $key , string|Cake\Cache\CacheEngine $config )
Constructor.
Parameters
- string|Closure
$key - The key or function to generate a key.
- string|
Cake\Cache\CacheEngine$config - The cache config name or cache engine instance.
Throws
RuntimeException\RuntimeException
_resolveCachersource protected
_resolveCacher( )
Get the cache engine.
Returns
Cake\Cache\CacheEngine\Cake\Cache\CacheEngine
_resolveKeysource protected
_resolveKey( object $query )
Get/generate the cache key.
Parameters
- object
$query - The query to generate a key for.
Returns
stringstring
Throws
RuntimeException\RuntimeException
fetchsource public
fetch( object $query )
Load the cached results from the cache or run the query.
Parameters
- object
$query - The query the cache read is for.
Returns
Cake\ORM\ResultSet|nullEither the cached results or null.
storesource public
store( object $query , Traversable $results )
Store the result set into the cache.
Parameters
- object
$query - The query the cache read is for.
- Traversable
$results - The result set to store.
Returns
booleanTrue if the data was successfully cached, false on failure
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http://api.cakephp.org/3.1/class-Cake.Datasource.QueryCacher.html