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Make it possible to filter values per method in DboSource::cacheMethod

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This commit is contained in:
Mischa ter Smitten 2016-11-11 23:37:23 +01:00
parent f46f042001
commit 58cc9b4596
1 changed files with 45 additions and 1 deletions
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46
lib/Cake/Model/Datasource/DboSource.php
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@ -60,13 +60,49 @@ class DboSource extends DataSource {
public static $methodCache = array();
/**
* Whether or not to cache the results of DboSource::name() and DboSource::conditions()
* Whether or not to cache the results of DboSource::name(), DboSource::fields() and DboSource::conditions()
* into the memory cache. Set to false to disable the use of the memory cache.
*
* @var bool
*/
public $cacheMethods = true;
/**
* Filters to apply to the results of DboSource::name(), DboSource::fields() and DboSource::conditions().
* When the filter function for a given method does not return true then the result is not added to the memory cache.
*
* For instance:
*
* ```
* array(
* // For method fields, do not cache values that contain floats
* 'fields' => function ($value) {
* $hasFloat = preg_grep('/(\d+)?\.\d+/', $value);
*
* return count($hasFloat) === 0;
* },
* // For method name, do not cache values that have the name floats
* 'name' => function ($value) {
* return preg_match('/^`rating_diff`$/', $value) !== 1;
* }
* )
* ```
*
* or
*
* ```
* array(
* // For method fields, do not cache any values
* 'fields' => function () {
* return false;
* },
* )
* ```
*
* @var array
*/
public $cacheMethodFilters = array();
/**
* Flag to support nested transactions. If it is set to false, you will be able to use
* the transaction methods (begin/commit/rollback), but just the global transaction will
@ -786,6 +822,14 @@ class DboSource extends DataSource {
if ($value === null) {
return (isset(static::$methodCache[$method][$key])) ? static::$methodCache[$method][$key] : null;
}
$methodFilterExists = (
isset($this->cacheMethodFilters[$method]) && is_callable($this->cacheMethodFilters[$method])
);
if ($methodFilterExists && !call_user_func($this->cacheMethodFilters[$method], $value)) {
return $value;
}
$this->_methodCacheChange = true;
return static::$methodCache[$method][$key] = $value;
}