Maslosoft Addendum API
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/**
* This software package is licensed under AGPL, Commercial license.
*
* @package maslosoft/addendum
* @licence AGPL, Commercial
* @copyright Copyright (c) Piotr Masełkowski <pmaselkowski@gmail.com> (Meta container, further improvements, bugfixes)
* @copyright Copyright (c) Maslosoft (Meta container, further improvements, bugfixes)
* @copyright Copyright (c) Jan Suchal (Original version, builder, parser)
* @link https://maslosoft.com/addendum/ - maslosoft addendum
* @link https://code.google.com/p/addendum/ - original addendum project
*/
namespace Maslosoft\Addendum\Cache;
use Maslosoft\Addendum\Addendum;
use Maslosoft\Addendum\Interfaces\AnnotatedInterface;
use Maslosoft\Addendum\Options\MetaOptions;
/**
* Flyweight accessor for meta cache
*
* @author Piotr Maselkowski <pmaselkowski at gmail.com>
*/
class FlyCache
{
/**
* Instances of meta cache
* @var MetaCache[]
*/
private static $_instances = [];
/**
* Get flyweight instance of meta cache.
* This is based on meta class and addendum instance id.
* @param string $metaClass
* @param string|object|AnnotatedInterface $component
* @param MetaOptions $options
* @return MetaCache
*/
public static function instance($metaClass = null, $component = null, MetaOptions $options = null)
{
if (empty($options))
{
$instanceId = Addendum::DefaultInstanceId;
}
else
{
$instanceId = $options->instanceId;
}
$key = sprintf('%s@%s', $metaClass, $instanceId);
if (empty(self::$_instances[$key]))
{
self::$_instances[$key] = new MetaCache($metaClass, $component, $options);
}
self::$_instances[$key]->setComponent($component);
self::$_instances[$key]->setOptions($options);
return self::$_instances[$key];
}
}
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