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further cleanup in configuration

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romanb 2008-09-12 12:14:14 +00:00
parent a502b130cf
commit 9d6e778a80
1 changed files with 3 additions and 36 deletions
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39
lib/Doctrine/Common/Configuration.php
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@ -28,19 +28,16 @@
* It combines all configuration options from DBAL & ORM. * It combines all configuration options from DBAL & ORM.
* *
* INTERNAL: When adding a new configuration option just write a getter/setter * INTERNAL: When adding a new configuration option just write a getter/setter
* combination and add the option to the _attributes array with a proper default value. * pair and add the option to the _attributes array with a proper default value.
* *
* @author Roman Borschel <roman@code-factory.org> * @author Roman Borschel <roman@code-factory.org>
* @since 2.0 * @since 2.0
*/ */
class Doctrine_Common_Configuration class Doctrine_Common_Configuration
{ {
private $_nullObject;
/** /**
* The attributes that are contained in the configuration. * The attributes that are contained in the configuration.
* Values are default values. PHP null is replaced by a reference to the Null * Values are default values.
* object on instantiation in order to use isset() instead of array_key_exists().
* *
* @var array * @var array
*/ */
@ -58,37 +55,7 @@ class Doctrine_Common_Configuration
* Creates a new configuration that can be used for Doctrine. * Creates a new configuration that can be used for Doctrine.
*/ */
public function __construct() public function __construct()
{ {}
$this->_nullObject = new stdClass();
$this->_initAttributes();
}
/**
* Initializes the attributes.
* Changes null default values to references to the Null object to allow
* fast isset() checks instead of array_key_exists().
*
* @return void
*/
private function _initAttributes()
{
foreach ($this->_attributes as $key => $value) {
if ($value === null) {
$this->_attributes[$key] = $this->_nullObject;
}
}
}
/**
* Checks whether the configuration contains/supports an attribute.
*
* @param string $name
* @return boolean
*/
public function has($name)
{
return isset($this->_attributes[$name]);
}
public function getQuoteIdentifiers() public function getQuoteIdentifiers()
{ {